//
/**********************************************************************************
 * mozilla.cfg | Firefox                                                          *
 *                                                                                *
 * https://git.nixnet.xyz/quindecim/mozilla.cfg                                   *
 *********************************************************************************/
//
// Author    : quindecim    : https://git.nixnet.xyz/quindecim
//                            https://git.lushka.al/quindecim   | MIRROR
//                            https://git.lelux.fi/quindecim    | MIRROR
//
//
// Based on  : gHacks       : https://github.com/ghacksuserjs/ghacks-user.js
//             Librefox     : https://github.com/intika/Librefox
//             pyllyukko    : https://github.com/pyllyukko/user.js
//             OrangeManBad : https://git.nixnet.xyz/OrangeManBad/user.js
//             CHEF-KOCH    : https://github.com/CHEF-KOCH/FFCK/tree/master/user.js
//
// License   : https://git.nixnet.xyz/quindecim/mozilla.cfg/src/branch/master/LICENSE.txt
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// PROTECTION
// >>>>>>>>>>>>>>>>>>>>>  
// Pref : Locking mozilla.cfg file itself
lockPref("general.config.filename", "mozilla.cfg"); 
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Startup
// >>>>>>>>>>>>>>>>>>>>>
// Pref : Enable start in Private Browsing mode
// lockPref("browser.privatebrowsing.autostart", true);
// -------------------------------------
// Pref : Disable default browser check
lockPref("browser.shell.checkDefaultBrowser", false); // [DESKTOP]
// -------------------------------------
// Pref : Set START page 
// (0=blank, 1=home, 2=last visited page, 3=resume previous session)
// [NOTE] Session Restore is not used in PB mode and is cleared with history
lockPref("browser.startup.page", 0); // [DESKTOP]
// -------------------------------------
// Pref : Set NEWTAB page
// true=Activity Stream, false=blank page
lockPref("browser.newtabpage.enabled", false); // [DESKTOP]
lockPref("browser.newtab.url", "about:blank"); // [DESKTOP]
// -------------------------------------
// Pref : Disable Extension Recommendations (CFR: "Contextual Feature Recommender")
// https://support.mozilla.org/en-US/kb/extension-recommendations
lockPref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Activity Stream Top Stories, Pocket-based and/or sponsored content
lockPref("browser.newtabpage.activity-stream.feeds.section.topstories", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.section.topstories.options", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.section.highlights.includePocket", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.showSponsored", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.discoverystreamfeed", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.pocketCta", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.sectionOrder", ""); // [DESKTOP]
// -------------------------------------
// Pref : Set Homepage and disable caching content
lockPref("browser.startup.homepage", "about:blank"); // [DESKTOP]
lockPref("browser.startup.homepage.abouthome_cache.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Activity Stream Snippets
// Runs code received from a server (aka Remote Code Execution) and sends information back to a metrics server
// https://abouthome-snippets-service.readthedocs.io/
lockPref("browser.newtabpage.activity-stream.asrouter.providers.snippets", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.snippets", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Activity Stream telemetry
lockPref("browser.newtabpage.activity-stream.feeds.telemetry", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.telemetry", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.telemetry.ut.events", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.telemetry.structuredIngestion", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.telemetry.structuredIngestion.endpoint", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable Activity Stream feeds
lockPref("browser.newtabpage.activity-stream.feeds.aboutpreferences", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.favicon", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.messagecenterfeed", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.migration", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.newtabinit", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.places", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.prefs", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.section.highlights", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.sections", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.systemtick", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.topsites", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.asrouterfeed", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.feeds.recommendationproviderswitcher", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Activity Stream (others)
lockPref("browser.newtabpage.activity-stream.messageCenterExperimentEnabled", false);
lockPref("browser.newtabpage.activity-stream.showSearch", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.config", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.endpoints", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.rec.impressions", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.spoc.impressions", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.endpointSpocsClear", "");
lockPref("browser.newtabpage.activity-stream.section.highlights.includeBookmarks", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.section.highlights.includeDownloads", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.section.highlights.includeVisited", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.personalization.modelKeys", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.improvesearch.handoffToAwesomebar", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.isCollectionDismissible", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.region-basic-layout", false); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.region-layout-config", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.region-spocs-config", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.discoverystream.region-stories-config", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable new tab tile ads & preload
// https://wiki.mozilla.org/Tiles/Technical_Documentation#Ping
// https://gecko.readthedocs.org/en/latest/browser/browser/DirectoryLinksProvider.html#browser-newtabpage-directory-source
// https://gecko.readthedocs.org/en/latest/browser/browser/DirectoryLinksProvider.html#browser-newtabpage-directory-ping
lockPref("browser.newtab.preload", false); // [DESKTOP]
lockPref("browser.newtabpage.directory.ping", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.asrouter.messageProviders", ""); // [DESKTOP]
// -------------------------------------
// Pref : Don't reveal build ID
// Value taken from Tor Browser
// https://bugzilla.mozilla.org/show_bug.cgi?id=583181
lockPref("browser.startup.homepage_override.mstone", "ignore");
// -------------------------------------
// Pref : Disable separate about:welcome page
// https://bugzilla.mozilla.org/show_bug.cgi?id=1617783
lockPref("browser.aboutwelcome.enabled", false); // [DESKTOP]
lockPref("trailhead.firstrun.branches", ""); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Quiet Fox
// >>>>>>>>>>>>>>>>>>>>>
// Pref : Disable app from auto-update
// true=application updates are installed without user approval.
// false=application updates are downloaded but the user can choose when to install the update.
lockPref("app.update.auto", false); // [DESKTOP]
lockPref("app.update.autodownload", "never"); // [FENIX]
// lockPref("app.update.channel", "");
lockPref("app.update.url.details", "https://www.mozilla.org/en-US/firefox/notes"); // [URL SANITIZED] // [DESKTOP]
// lockPref("app.update.url.manual", ""); // [DESKTOP]
lockPref("app.update.url.android", ""); // [FENIX]
lockPref("app.update.staging.enabled", false); // [DESKTOP]
lockPref("app.update.log.file", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable sync
lockPref("sync.enabled", false); // [DEPRECATED] // [DESKTOP]
lockPref("services.sync.enabled", false);
// -------------------------------------
// Pref : Disable other sync settings (by prevention)
lockPref("services.sync.maxResyncs", 0); // [DESKTOP]
lockPref("services.sync.telemetry.maxPayloadCount", 0); // [DESKTOP]
lockPref("services.sync.addons.ignoreUserEnabledChanges", true); // [DESKTOP]
lockPref("services.sync.engine.addons", false); // [DESKTOP]
lockPref("services.sync.engine.addresses", false); // [DESKTOP]
lockPref("services.sync.engine.bookmarks", false); // [DESKTOP]
lockPref("services.sync.engine.bookmarks.buffer", false); // [DESKTOP]
lockPref("services.sync.engine.creditcards", false); // [DESKTOP]
lockPref("services.sync.engine.creditcards.available", false); // [DESKTOP]
lockPref("services.sync.engine.history", false); // [DESKTOP]
lockPref("services.sync.engine.passwords", false); // [DESKTOP]
lockPref("services.sync.engine.prefs", false); // [DESKTOP]
lockPref("services.sync.engine.tabs", false); // [DESKTOP]
lockPref("services.sync.log.appender.file.logOnError", false); // [DESKTOP]
lockPref("services.sync.log.appender.file.logOnSuccess", false); // [DESKTOP]
lockPref("services.sync.log.cryptoDebug", false); // [DESKTOP]
lockPref("services.sync.sendVersionInfo", false); // [DESKTOP]
lockPref("services.sync.syncedTabs.showRemoteIcons", true); // [DESKTOP]
lockPref("services.sync.prefs.sync.accessibility.blockautorefresh", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.accessibility.browsewithcaret", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.accessibility.typeaheadfind", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.accessibility.typeaheadfind.linksonly", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.addons.ignoreUserEnabledChanges", true); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.ctrlTab.recentlyUsedOrder", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.download.useDownloadDir", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.formfill.enable", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.link.open_newwindow", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.pinned", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.search.update", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.startup.homepage", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.startup.page", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.tabs.loadInBackground", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.tabs.warnOnClose", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.tabs.warnOnOpen", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.autocomplete.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.matchBuckets", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.maxRichResults", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.suggest.bookmark", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.suggest.history", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.suggest.history.onlyTyped", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.suggest.openpage", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.urlbar.suggest.searches", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.contentblocking.category", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.contentblocking.introCount", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.section.highlights", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.section.topstories", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.snippets", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.topsites", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includeBookmarks", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includeDownloads", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includePocket", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includeVisited", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.rows", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.topstories.rows", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.showSearch", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.topSitesRows", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.taskbar.previews.enable", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.dom.disable_open_during_load", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.dom.disable_window_flip", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.dom.disable_window_move_resize", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.dom.event.contextmenu.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.extensions.personas.current", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.extensions.update.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.intl.accept_languages", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.layout.spellcheckDefault", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.lightweightThemes.selectedThemeID", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.lightweightThemes.usedThemes", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.network.cookie.cookieBehavior", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.network.cookie.lifetimePolicy", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.network.cookie.thirdparty.sessionOnly", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.permissions.default.image", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.pref.advanced.images.disable_button.view_image", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.pref.advanced.javascript.disable_button.advanced", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.pref.downloads.disable_button.edit_actions", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.pref.privacy.disable_button.cookie_exceptions", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.cache", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.cookies", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.downloads", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.formdata", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.history", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.offlineApps", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.sessions", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.clearOnShutdown.siteSettings", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.donottrackheader.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.reduceTimerPrecision", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.resistFingerprinting", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.resistFingerprinting.reduceTimerPrecision.jitter", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.resistFingerprinting.reduceTimerPrecision.microseconds", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.sanitize.sanitizeOnShutdown", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.trackingprotection.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.trackingprotection.pbmode.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.trackingprotection.cryptomining.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.trackingprotection.fingerprinting.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.media.autoplay.default", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.security.OCSP.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.security.OCSP.require", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.security.default_personal_cert", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.security.tls.version.max", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.security.tls.version.min", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.services.sync.syncedTabs.showRemoteIcons", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.spellchecker.dictionary", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.xpinstall.whitelist.required", false); // [DESKTOP]
lockPref("services.sync.declinedEngines", ""); // [DESKTOP]
lockPref("services.sync.jpake.serverURL", ""); // [DEPRECATED] // [DESKTOP]
lockPref("services.sync.migrated", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.safebrowsing.downloads.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.safebrowsing.malware.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.safebrowsing.passwords.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.safebrowsing.phishing.enabled", false); // [DESKTOP]
lockPref("services.sync.engine.addresses.available", false); // [DESKTOP]
lockPref("services.sync.addons.trustedSourceHostnames", ""); // [DESKTOP]
lockPref("services.sync.engine.tabs.filteredUrls", ""); // [DESKTOP]
lockPref("services.sync.log.appender.console", ""); // [DESKTOP]
lockPref("services.sync.log.appender.dump", ""); // [DESKTOP]
lockPref("services.sync.log.appender.file.level", ""); // [DESKTOP]
lockPref("services.sync.log.logger", ""); // [DESKTOP]
lockPref("services.sync.log.logger.engine", ""); // [DESKTOP]
lockPref("services.sync.prefs.sync.media.eme.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.fuzzyfox.clockgrainus", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.privacy.fuzzyfox.enabled", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.signon.rememberSignons", false); // [DESKTOP]
lockPref("services.sync.serverURL", ""); // [DESKTOP]
lockPref("services.sync.lastversion", ""); // [DESKTOP]
lockPref("sync.serverURL", ""); // [DEPRECATED] // [DESKTOP]
lockPref("sync.jpake.serverURL", ""); // [DEPRECATED] // [DESKTOP]
lockPref("services.sync.prefs.sync.browser.contentblocking.features.strict", false); // [DESKTOP]
lockPref("services.sync.prefs.dangerously_allow_arbitrary", false); // [DESKTOP]
lockPref("services.sync.prefs.sync.app.shield.optoutstudies.enabled", false);
lockPref("services.sync.prefs.sync.browser.discovery.enabled", false);
lockPref("services.sync.prefs.sync.browser.newtabpage.activity-stream.showSponsored", false);
lockPref("services.sync.prefs.sync.browser.search.widget.inNavBar", false);
lockPref("services.sync.prefs.sync.extensions.activeThemeID", false);
// -------------------------------------
// Pref : Never check updates for search engines
// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_auto-update-checking
lockPref("browser.search.update", false);
lockPref("browser.search.update.log", false);
// -------------------------------------
// Pref : Tell the search service that we don't really expose the "current engine"
lockPref("browser.search.noCurrentEngine", true); // [DEFAULT: true] // [FENNEC]
// -------------------------------------
// Pref : Disable sending Flash Player crash reports
lockPref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false);
// -------------------------------------
// Pref : Disable sending the URL of the website where a plugin crashed
lockPref("dom.ipc.plugins.reportCrashURL", false);
// -------------------------------------
// Pref : Disable Telemetry
// https://wiki.mozilla.org/Platform/Features/Telemetry
// https://wiki.mozilla.org/Privacy/Reviews/Telemetry
// https://wiki.mozilla.org/Telemetry
// https://www.mozilla.org/en-US/legal/privacy/firefox.html#telemetry
// https://support.mozilla.org/t5/Firefox-crashes/Mozilla-Crash-Reporter/ta-p/1715
// https://wiki.mozilla.org/Security/Reviews/Firefox6/ReviewNotes/telemetry
// https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html#id1
lockPref("toolkit.telemetry.enabled", false);
lockPref("toolkit.telemetry.debugSlowSql", false);
lockPref("toolkit.telemetry.reportingpolicy.firstRun", false);
lockPref("toolkit.telemetry.server", "data:,");
lockPref("toolkit.telemetry.server_owner", "");
lockPref("toolkit.telemetry.unified", false);
lockPref("toolkit.telemetry.unifiedIsOptIn", false); // [DESKTOP]
lockPref("toolkit.telemetry.archive.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.cachedClientID", ""); // [DESKTOP]
lockPref("toolkit.telemetry.newProfilePing.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.shutdownPingSender.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.updatePing.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.bhrPing.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.firstShutdownPing.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.previousBuildID", ""); // [DESKTOP]
lockPref("toolkit.telemetry.prompted", 2); // [DESKTOP]
lockPref("toolkit.telemetry.rejected", true); // [DESKTOP]
lockPref("security.identitypopup.recordEventTelemetry", false);
lockPref("security.certerrors.recordEventTelemetry", false); // [DESKTOP]
lockPref("privacy.trackingprotection.origin_telemetry.enabled", false);
lockPref("telemetry.origin_telemetry_test_mode.enabled", false);
lockPref("toolkit.telemetry.ecosystemtelemetry.enabled", false); // [DESKTOP]
lockPref("security.protectionspopup.recordEventTelemetry", false); // [DESKTOP]
lockPref("toolkit.telemetry.geckoview.streaming", false);
lockPref("toolkit.telemetry.isGeckoViewMode", false);
lockPref("toolkit.telemetry.testing.overrideProductsCheck", false);
lockPref("security.app_menu.recordEventTelemetry", false); // [DESKTOP]
lockPref("browser.urlbar.eventTelemetry.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Telemetry Coverage
// https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/
lockPref("toolkit.coverage.enabled", false); // [DESKTOP]
lockPref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF] // [DESKTOP]
lockPref("toolkit.coverage.opt-out", true); // [HIDDEN PREF] // [DESKTOP]
lockPref("toolkit.coverage.endpoint.base", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable collection/sending of the health report (healthreport.sqlite*)
lockPref("datareporting.healthreport.uploadEnabled", false); // [DESKTOP]
lockPref("datareporting.healthreport.service.enabled", false); // [DESKTOP]
lockPref("datareporting.healthreport.infoURL", ""); // [DESKTOP]
lockPref("datareporting.policy.dataSubmissionEnabled", false);
lockPref("datareporting.policy.currentPolicyVersion", 0);
lockPref("datareporting.policy.currentPolicyAcceptedVersion", 0);
lockPref("datareporting.policy.dataSubmissionPolicyAcceptedVersion", 0);
lockPref("datareporting.policy.dataSubmissionPolicyBypassNotification", false);
lockPref("datareporting.policy.dataSubmissionPolicyNotifiedTime", "");
lockPref("datareporting.policy.firstRunURL", "");
lockPref("datareporting.policy.minimumPolicyVersion", 0);
lockPref("datareporting.policy.minimumPolicyVersion.channel-beta", 0);
// -------------------------------------
// Pref : Disable personalized Extension Recommendations in about:addons and AMO
// [NOTE] This pref has no effect when Health Reports are disabled
// https://support.mozilla.org/kb/personalized-extension-recommendations
lockPref("browser.discovery.enabled", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable Crash Reports
lockPref("breakpad.reportURL", "");
lockPref("browser.tabs.crashReporting.email", ""); // [DESKTOP]
lockPref("browser.tabs.crashReporting.emailMe", false); // [DESKTOP]
lockPref("browser.tabs.crashReporting.includeURL", false); // [DESKTOP]
lockPref("browser.tabs.crashReporting.requestEmail", false); // [DESKTOP]
lockPref("browser.tabs.crashReporting.sendReport", false); // [DESKTOP]
lockPref("browser.crashReports.unsubmittedCheck.enabled", false); // [DESKTOP]
lockPref("toolkit.crashreporter.infoURL", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable Crash Report for Reporting API
// https://bugzilla.mozilla.org/show_bug.cgi?id=1607364
lockPref("dom.reporting.crash.enabled", false);
// -------------------------------------
// Pref : Disable automatic captive portal detection
// https://www.eff.org/deeplinks/2017/08/how-captive-portals-interfere-wireless-security-and-privacy
// https://wiki.mozilla.org/Necko/CaptivePortal
lockPref("captivedetect.canonicalURL", "");
lockPref("network.captive-portal-service.enabled", false);
lockPref("network.captive-portal-service.backoffFactor", "");
// lockPref("network.captive-portal-service.maxInterval", 0);
// lockPref("network.captive-portal-service.minInterval", 0);
// -------------------------------------
// Pref : Disable Network Connectivity checks
// https://bugzilla.mozilla.org/1460537
lockPref("network.connectivity-service.enabled", false); // [DEFAULT: true]
lockPref("network.connectivity-service.IPv4.url", "");
lockPref("network.connectivity-service.IPv6.url", "");
lockPref("network.connectivity-service.DNSv4.domain", "");
lockPref("network.connectivity-service.DNSv6.domain", "");
// -------------------------------------
// Pref : Disable auto updating of lightweight themes (LWT)
// Not to be confused with themes, which use the Theme API
// Mozilla plan to convert existing LWTs and remove LWT support in the future
// https://blog.mozilla.org/addons/2018/09/20/future-themes-here/
lockPref("lightweightThemes.persisted.headerURL", false);
lockPref("lightweightThemes.persistedThemeID", ""); // [FENNEC]
// lockPref("lightweightThemes.selectedThemeID", ""); // [BUG - FF doesen't save theme selected by user]
lockPref("lightweightThemes.getMoreURL", ""); // [DESKTOP]
lockPref("lightweightThemes.persisted.footerURL", false); // [DESKTOP]
lockPref("lightweightThemes.recommendedThemes", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable Studies and SHIELD
lockPref("app.shield.optoutstudies.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable backlogged Crash Reports
lockPref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable about:addons Recommendations pane (uses Google Analytics)
lockPref("extensions.getAddons.showPane", false); // [HIDDEN PREF] // [DESKTOP]
// -------------------------------------
// Pref : Disable recommendations in about:addons Extensions and Themes panes 
// https://www.ghacks.net/2019/05/15/enable-new-firefox-recommended-extensions-suggestions-in-firefox-68-nightly/
lockPref("extensions.htmlaboutaddons.inline-options.enabled", false);
lockPref("extensions.htmlaboutaddons.recommendations.enabled", false);
lockPref("extensions.getAddons.discovery.api_url", ""); // [DESKTOP]
lockPref("extensions.recommendations.privacyPolicyUrl", "");
lockPref("extensions.recommendations.themeRecommendationUrl", "");
// -------------------------------------
// Pref : Disable extension's report option in about:addons
lockPref("extensions.abuseReport.enabled", false);
lockPref("extensions.abuseReport.url", "");
lockPref("extensions.abuseReport.amoDetailsURL", "");
lockPref("extensions.abuseReport.amWebAPI.enabled", false);
lockPref("extensions.abuseReport.openDialog", false);
// -------------------------------------
// Pref : Disable Firefox Hello metrics collection
// https://groups.google.com/d/topic/mozilla.dev.platform/nyVkCx-_sFw/discussion
lockPref("loop.logDomains", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable contentblocking reports
lockPref("browser.contentblocking.reportBreakage.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.cookie.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.cryptominer.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.fingerprinter.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.lockwise.enabled", false); // [DESKTOP]
lockPref("browser.contentblocking.report.lockwise.how_it_works.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.manage_devices.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.monitor.enabled", false); // [DESKTOP]
lockPref("browser.contentblocking.report.monitor.how_it_works.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.monitor.sign_in_url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.monitor.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.proxy.enabled", false); // [DESKTOP]
lockPref("browser.contentblocking.report.proxy_extension.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.social.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.report.tracker.url", ""); // [DESKTOP]
lockPref("browser.contentblocking.allowlist.annotations.enabled", false); // [FENNEC]
lockPref("browser.contentblocking.allowlist.storage.enabled", false); // [FENNEC]
// -------------------------------------
// Pref : Disable lockwise app callout to the ETP card
// https://bugzilla.mozilla.org/show_bug.cgi?id=1612091
// https://bugzilla.mozilla.org/show_bug.cgi?id=1612088
lockPref("browser.contentblocking.report.show_mobile_app", false);
lockPref("browser.contentblocking.report.lockwise.mobile-android.url", "");
lockPref("browser.contentblocking.report.lockwise.mobile-ios.url", "");
lockPref("browser.contentblocking.report.mobile-android.url", "");
lockPref("browser.contentblocking.report.mobile-ios.url", "");
// -------------------------------------
// Pref : Disable send content blocking log to about:protections
// https://bugzilla.mozilla.org/show_bug.cgi?id=1549832
lockPref("browser.contentblocking.database.enabled", false);
// -------------------------------------
// Pref : Disable celebrating milestone toast when certain numbers of trackers are blocked
lockPref("browser.contentblocking.cfr-milestone.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Onboarding tour disable because of included telemetry
// [NOTE] This setting is just in case it comeback
lockPref("browser.onboarding.notification.finished", true); // [DESKTOP] // [DEPRECATED]
lockPref("browser.onboarding.tour.onboarding-tour-customize.completed", true); // [DESKTOP] // [DEPRECATED]
lockPref("browser.onboarding.tour.onboarding-tour-performance.completed", true); // [DESKTOP] // [DEPRECATED]
lockPref("devtools.onboarding.telemetry.logged", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable check default browser on first run
lockPref("browser.shell.didSkipDefaultBrowserCheckOnFirstRun", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable GCLI (Graphical Command Line Interface)
// https://wiki.mozilla.org/DevTools/Features/GCLI
lockPref("devtools.gcli.imgurUploadURL", ""); // [DESKTOP]
lockPref("devtools.gcli.jquerySrc", ""); // [DESKTOP]
lockPref("devtools.gcli.underscoreSrc", ""); // [DESKTOP]
lockPref("devtools.gcli.lodashSrc", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable Firefox screenshot extension
// https://support.mozilla.org/en-US/kb/firefox-screenshots
lockPref("extensions.screenshots.disabled", true); // [DESKTOP]
lockPref("extensions.screenshots.upload-disabled", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable spellchecker functionality by default
// 0=none, 1-multi-line, 2=multi-line & single-line
// https://support.mozilla.org/en-US/kb/how-do-i-use-firefox-spell-checker
defaultPref("layout.spellcheckDefault", 0); // [DESKTOP]
// -------------------------------------
// Pref : Enable Firefox internal pages and disable the related warnings
lockPref("general.aboutConfig.enable", true);
lockPref("general.warnOnAboutConfig", false); // [XUL/XHTML]
lockPref("browser.aboutConfig.showWarning", false);  // [DESKTOP] // [HTML]
// -------------------------------------
// Pref : Disable recent Highlights in the Library
lockPref("browser.library.activity-stream.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable warnings about close/open multiple tabs
lockPref("browser.tabs.warnOnClose", false);   // [DESKTOP]
lockPref("browser.tabs.warnOnCloseOtherTabs", false); // [DESKTOP]
lockPref("browser.tabs.warnOnOpen", false);  // [DESKTOP]
lockPref("browser.warnOnQuit", false);  // [DESKTOP]
// -------------------------------------
// Pref : Disable warnings by entering full screen mode
lockPref("full-screen-api.warning.delay", 0);
lockPref("full-screen-api.warning.timeout", 0);
// -------------------------------------
// Pref : Disable WebVTT logging and test events
// https://developer.mozilla.org/en-US/docs/Web/API/WebVTT_API
// https://git.sny.no/gecko/commit/?id=5701a142f2a5e89b1b716e0edec0f18d5e513678
lockPref("media.webvtt.debug.logging", false);
lockPref("media.webvtt.testing.events", false);
// -------------------------------------
// Pref : Disable Firefox Developer Tools
// https://developer.mozilla.org/en-US/docs/Tools
// lockPref("devtools.enabled", false);
// -------------------------------------
// Pref : Disable SSDP (Simple Service Discovery Protocol)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1111967
lockPref("browser.casting.enabled", false); // [FENNEC]
// -------------------------------------
// Pref : Disable in-browser feed handling
// This preferences determines which web sites are listed in the “Subscription Options” dialog. 
lockPref("browser.contentHandlers.types.0.title", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.0.type", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.0.uri", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.1.title", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.1.type", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.1.uri", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.2.title", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.2.type", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.2.uri", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.3.title", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.3.type", ""); // [FENNEC]
lockPref("browser.contentHandlers.types.3.uri", ""); // [FENNEC]
// -------------------------------------
// Pref : Disable tickle time under wifi network
// It transmit UDP busy-work to the LAN when anticipating low latency network reads and on wifi to mitigate 802.11 Power Save Polling delays
// If you're on wifi and an IPv4 DHCP network we will send 0 length UDP packets at port 4886 of your gateway at the default rate of 60hz for 400ms from the start of the transaction in an attempt to improve RTT during the critical early phases
// https://bugzilla.mozilla.org/show_bug.cgi?id=888268
lockPref("network.tickle-wifi.enabled", false);
// -------------------------------------
// Pref : Disable Corroborate.jsm telemetry
// https://bugzilla.mozilla.org/show_bug.cgi?id=1608308
lockPref("corroborator.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Remote Settings
// https://github.com/mozilla-services/remote-settings-lambdas
// https://remote-settings.readthedocs.io/en/latest/
lockPref("security.remote_settings.intermediates.enabled", false);
lockPref("security.remote_settings.intermediates.bucket", "");
lockPref("security.remote_settings.intermediates.collection", "");
lockPref("security.remote_settings.intermediates.signer", "");
lockPref("security.remote_settings.crlite_filters.enabled", false);
lockPref("security.remote_settings.crlite_filters.bucket", "");
lockPref("security.remote_settings.crlite_filters.collection", "");
lockPref("security.remote_settings.crlite_filters.signer", "");
// -------------------------------------
// Pref : Disable Default Browser Agent
// https://firefox-source-docs.mozilla.org/main/latest/toolkit/mozapps/defaultagent/default-browser-agent/index.html
lockPref("default-browser-agent.enabled", false); // [WINDOWS] // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : IJWY To Shut Up   
// I Just Want You To Shut Up : Closing all non necessary communication to mozilla.org etc.
// >>>>>>>>>>>>>>>>>>>>>
// Pref : Block unwanted connections
lockPref("app.feedback.baseURL", "");
lockPref("app.feedbackURL", ""); // [FENNEC]
lockPref("app.channelURL", ""); // [FENNEC]
lockPref("app.creditsURL", ""); // [FENNEC]
lockPref("app.faqURL", ""); // [FENNEC]
lockPref("app.privacyURL", ""); // [FENNEC]
lockPref("app.releaseNotesURL", "https://www.mozilla.org/en-US/firefox/%VERSION%/releasenotes/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=whatsnew"); // [URL SANITIZED]
lockPref("app.support.baseURL", "");
lockPref("app.supportURL", ""); // [FENNEC]
lockPref("app.vendorURL", ""); // [DESKTOP]
lockPref("media.decoder-doctor.new-issue-endpoint", "");
lockPref("network.trr.confirmationNS", "");
lockPref("services.settings.default_signer", ""); // [DESKTOP]
lockPref("services.settings.server", ""); // [DESKTOP]
lockPref("accessibility.support.url", ""); // [DESKTOP]
lockPref("browser.dictionaries.download.url", ""); // [DESKTOP]
lockPref("browser.geolocation.warning.infoURL", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.asrouter.providers.cfr", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.asrouter.providers.cfr-fxa", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.asrouter.providers.onboarding", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.asrouter.providers.whats-new-panel", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.fxaccounts.endpoint", ""); // [DESKTOP]
lockPref("browser.search.searchEnginesURL", ""); // [DESKTOP]
lockPref("extensions.getAddons.themes.browseURL", ""); // [DESKTOP]
lockPref("security.content.signature.root_hash", "");
lockPref("identity.mobilepromo.android", ""); // [DESKTOP]
lockPref("identity.mobilepromo.ios", ""); // [DESKTOP]
lockPref("identity.sendtabpromo.url", ""); // [DESKTOP]
lockPref("toolkit.datacollection.infoURL", ""); // [DESKTOP]
lockPref("dom.keyboardevent.keypress.hack.dispatch_non_printable_keys", "");
lockPref("dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode", "");
lockPref("startup.homepage_welcome_url", ""); // [DESKTOP]
lockPref("startup.homepage_welcome_url.additional", ""); // [DESKTOP]
lockPref("startup.homepage_override_url", ""); // [DESKTOP]
lockPref("browser.search.param.yahoo-fr", ""); // [DESKTOP]
lockPref("privacy.restrict3rdpartystorage.partitionedHosts", "");
lockPref("browser.xr.warning.infoURL", ""); // [DESKTOP]
// -------------------------------------
// Pref : Devtools cleanup
lockPref("devtools.devices.url", "");
lockPref("devtools.devedition.promo.url", ""); // [DESKTOP]
lockPref("devtools.performance.recording.ui-base-url", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable website protocol handlers
lockPref("gecko.handlerService.schemes.irc.0.name", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.irc.0.uriTemplate", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.ircs.0.name", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.ircs.0.uriTemplate", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.mailto.0.name", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.mailto.0.uriTemplate", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.mailto.1.name", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.mailto.1.uriTemplate", ""); // [DESKTOP]
lockPref("gecko.handlerService.schemes.webcal.0.uriTemplate", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable browser translate integration
// https://www.ghacks.net/2018/09/09/mozilla-working-on-google-translate-integration-in-firefox/
lockPref("browser.translation.engine", ""); // [DESKTOP]
lockPref("browser.translation.detectLanguage", false); // [DESKTOP]
lockPref("browser.translation.neverForLanguages", ""); // [DESKTOP]
lockPref("browser.translation.ui.show", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable useragent updates and site specific overrides
lockPref("general.useragent.updates.enabled", false); // [FENNEC]
lockPref("general.useragent.updates.url", ""); // [FENNEC]
// -------------------------------------
// Pref : Decrease vendor useragent info leakage to Mozilla
// https://github.com/pyllyukko/user.js/issues/299
lockPref("general.useragent.vendor", ""); // [DESKTOP]
lockPref("general.useragent.vendorComment", ""); // [DESKTOP]
lockPref("general.useragent.vendorSub", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable mailnews
lockPref("mailnews.messageid_browser.url", ""); // [DESKTOP]
lockPref("mailnews.mx_service_url", ""); // [DESKTOP]
// -------------------------------------
// Pref : Remove pinned sites from searchbar
lockPref("browser.newtabpage.activity-stream.default.sites", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.havePinned", ""); // [DESKTOP]
lockPref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.searchEngines", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable report browser errors in Nightly to Mozilla
// https://bugzilla.mozilla.org/show_bug.cgi?id=1426482
lockPref("browser.chrome.errorReporter.infoURL", "");
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Miscellaneous
// >>>>>>>>>>>>>>>>>>>>>>
// Pref : Test mozilla.cfg in about:config
lockPref("_config.applied", true);
// -------------------------------------
// Pref : Updates addons automatically
// https://blog.mozilla.org/addons/how-to-turn-off-add-on-updates/
lockPref("extensions.update.enabled", true);
lockPref("extensions.autoupdate.enabled", true);
// -------------------------------------
// Pref : Decrease system information leakage to Mozilla extensions update servers
lockPref("extensions.update.url", "https://versioncheck-bg.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=en-US&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%"); // [URL SANITIZED]
lockPref("extensions.update.background.url", "https://versioncheck-bg.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=en-US&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%"); // [URL SANITIZED]
// -------------------------------------
// Pref : Decrease system information leakage to Mozilla addons update servers
lockPref("extensions.getAddons.browseAddons", ""); // [URL SANITIZED] // [FENNEC]
lockPref("extensions.getAddons.get.url", "https://services.addons.mozilla.org/api/v3/addons/search/?guid=%IDS%&lang=en-US"); // [URL SANITIZED]
lockPref("extensions.getAddons.link.url", "https://addons.mozilla.org/en-US/firefox/"); // [URL SANITIZED]
lockPref("extensions.getAddons.search.browseURL", "https://addons.mozilla.org/en-US/firefox/search?q=%TERMS%&platform=%OS%&appver=%VERSION%"); // [URL SANITIZED]
// -------------------------------------
// Pref : Disable Web Compatibility Reporter
// Web Compatibility Reporter adds a "Report Site Issue" button to send data to Mozilla
lockPref("extensions.webcompat-reporter.enabled", false);
lockPref("extensions.webcompat-reporter.newIssueEndpoint", "");
// -------------------------------------
// Pref : Don't let XPIProvider install distribution add-ons
lockPref("extensions.installDistroAddons", false); // [DEFAULT: false] // [FENNEC]
// -------------------------------------
// Pref : Disable experiments extensions
lockPref("extensions.experiments.enabled", false);
// -------------------------------------
// Pref : Provide haptic feedback on longPress selection events
lockPref("layout.accessiblecaret.hapticfeedback", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable Firefox Accounts and Sync
lockPref("identity.fxaccounts.enabled", false); // [DESKTOP]
lockPref("identity.fxaccounts.auth.uri", "");
lockPref("identity.fxaccounts.remote.oauth.uri", "");
lockPref("identity.fxaccounts.remote.profile.uri", "");
lockPref("identity.sync.tokenserver.uri", "");
lockPref("identity.fxaccounts.remote.webchannel.uri", ""); //  [FENNEC - BUG] If left blank, it causes faded "Settings" on some devices
lockPref("identity.fxaccounts.remote.root", ""); // [DESKTOP]
lockPref("identity.fxaccounts.pairing.enabled", false); // [DESKTOP]
lockPref("identity.fxaccounts.remote.pairing.uri", ""); // [DESKTOP]
lockPref("identity.fxaccounts.toolbar.accessed", false); // [DESKTOP]
lockPref("identity.fxaccounts.toolbar.enabled", false); // [DESKTOP]
lockPref("identity.fxaccounts.migrateToDevEdition", false); // [DESKTOP]
lockPref("identity.fxaccounts.contextParam", ""); // [DESKTOP]
lockPref("identity.fxaccounts.commands.enabled", false); // [DESKTOP]
lockPref("identity.fxaccounts.autoconfig.uri", ""); // [DESKTOP]
lockPref("identity.fxaccounts.service.monitorLoginUrl", ""); // [DESKTOP]
lockPref("identity.fxaccounts.service.sendLoginUrl", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable snippets
lockPref("browser.snippets.enabled", false); // [FENNEC]
lockPref("browser.snippets.firstrunHomepage.enabled", false); // [FENNEC]
lockPref("browser.snippets.statsUrl", ""); // [FENNEC]
lockPref("browser.snippets.updateUrl", ""); // [FENNEC]
lockPref("browser.snippets.syncPromo.enabled", false); // [FENNEC]
// lockPref("browser.snippets.updateInterval", 0); // [FENNEC]
// -------------------------------------
// Pref : Disable Webextensions sync
lockPref("webextensions.storage.sync.enabled", false); // [DESKTOP]
lockPref("webextensions.storage.sync.serverURL", "");
// -------------------------------------
// Pref : Force Punycode for Internationalized Domain Names
// https://www.xudongz.com/blog/2017/idn-phishing/
// https://wiki.mozilla.org/IDN_Display_Algorithm
// https://en.wikipedia.org/wiki/IDN_homograph_attack
// https://www.mozilla.org/en-US/security/advisories/mfsa2017-02/
lockPref("network.IDN_show_punycode", true);
// -------------------------------------
// Pref : Disable page thumbnail collection
// Look in profile/thumbnails directory, you may want to clean that out
lockPref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF]
// -------------------------------------
// Pref : Do not automatically send selection to clipboard on Linux and some UNIX-like platforms
defaultPref("clipboard.autocopy", false);
// -------------------------------------
// Pref : Disable "beacon" asynchronous HTTP transfers (used for analytics)
// https://developer.mozilla.org/en-US/docs/Web/API/navigator.sendBeacon
lockPref("beacon.enabled", false);
// -------------------------------------
// Pref : Disable speech recognition
// https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html
// https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition
// https://wiki.mozilla.org/HTML5_Speech_API
lockPref("media.webspeech.recognition.enable", false); // [DEFAULT: true]
lockPref("media.webspeech.recognition.force_enable", false); // [DEFAULT: false]
lockPref("media.webspeech.test.enable", false); // [DEFAULT: false]
lockPref("media.webspeech.test.fake_fsm_events", false); // [DEFAULT: false]
lockPref("media.webspeech.test.fake_recognition_service", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Don't use Mozilla-provided location-specific search engines
lockPref("browser.search.geoSpecificDefaults", false);
// -------------------------------------
// Pref : Don't monitor OS online/offline connection state
// https://trac.torproject.org/projects/tor/ticket/18945
lockPref("network.manage-offline-status", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Set File URI Origin Policy
lockPref("security.fileuri.strict_origin_policy", true);
// -------------------------------------
// Pref : Disable SVG in OpenType fonts
// https://wiki.mozilla.org/SVGOpenTypeFonts
// https://github.com/iSECPartners/publications/tree/master/reports/Tor%20Browser%20Bundle
lockPref("gfx.font_rendering.opentype_svg.enabled", false);
// -------------------------------------
// Pref : Ensure you have a security delay when installing add-ons (milliseconds)
lockPref("security.dialog_enable_delay", 700);
// -------------------------------------
// Pref : Disable ADB extension download
// https://developer.mozilla.org/docs/Tools/WebIDE
// https://trac.torproject.org/projects/tor/ticket/16222
defaultPref("devtools.debugger.remote-enabled", false);
lockPref("devtools.remote.adb.extensionURL", ""); // [DESKTOP]
lockPref("devtools.remote.adb.extensionID", ""); // [DESKTOP]
// -------------------------------------
// Pref : Force local debugging
// https://developer.mozilla.org/en-US/docs/Tools/Remote_Debugging/Debugging_Firefox_Desktop
// https://developer.mozilla.org/en-US/docs/Tools/Tools_Toolbox#Advanced_settings
lockPref("devtools.debugger.force-local", true);
// -------------------------------------
// Pref : Prevent accessibility services from accessing your browser
// https://support.mozilla.org/kb/accessibility-services
lockPref("accessibility.force_disabled", 1);
// -------------------------------------
// Pref : Remove temp files opened with an external application
// https://bugzilla.mozilla.org/302433
lockPref("browser.helperApps.deleteTempFileOnExit", true);
// -------------------------------------
// Pref : Disable various developer tools in browser context
// https://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676
defaultPref("devtools.chrome.enabled", false);
// -------------------------------------
// Pref : Disable MathML (Mathematical Markup Language)
// [TEST] https://browserleaks.com/features - look for Modernizr.mathml
// https://bugzilla.mozilla.org/1173199
lockPref("mathml.disabled", true);
// -------------------------------------
// Pref : Disable middle mouse click paste leaking on Linux
// https://bugzilla.mozilla.org/1528289
// Useless on Android
lockPref("middlemouse.paste", false);
// -------------------------------------
// Pref : Disable middle mouse click opening links from clipboard
// https://trac.torproject.org/projects/tor/ticket/10089
lockPref("middlemouse.contentLoadURL", false);
// -------------------------------------
// Pref : Limit HTTP redirects (this does not control redirects with HTML meta tags or JS)
// [NOTE] A low setting of 5 or under will probably break some sites (e.g. gmail logins). To control HTML Meta tag and JS redirects, use an extension.
lockPref("network.http.redirection-limit", 15); // [DEFAULT: 20]
// -------------------------------------
// Pref : Remove webchannel whitelist
lockPref("webchannel.allowObject.urlWhitelist", "");
// -------------------------------------
// Pref : Disable exposure of system colors to CSS or canvas
// [NOTE] May cause black on black for elements with undefined colors
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=232227,1330876
// lockPref("ui.use_native_colors", true);
// -------------------------------------
// Pref : Discourage downloading to desktop (0=desktop 1=downloads 2=last used)
lockPref("browser.download.folderList", 2);
// -------------------------------------
// Pref : Enforce user interaction, for security, by always asking the user where to download and then forget
// [FENNEC] Fix for downloading issues
lockPref("browser.download.useDownloadDir", false); //  [FENNEC - BUG] It causes the breakage of all downloads
lockPref("browser.download.lastDir", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable adding downloads to the system's "recent documents" list
lockPref("browser.download.manager.addToRecentDocs", false);
// -------------------------------------
// Pref : Disable "open with" in download dialog
// This is very useful to enable when the browser is sandboxed (e.g. via AppArmor) in such a way that it is forbidden to run external applications.
// [NOTE] This may interfere with some users' workflow or methods
// https://bugzilla.mozilla.org/1281959
lockPref("browser.download.forbid_open_with", true);
// -------------------------------------
// Pref : Lock down allowed extension directories
// This will break extensions, language packs, themes and any other XPI files which are installed outside of profile directories
// https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/
// archived: https://archive.is/DYjAM
lockPref("extensions.enabledScopes", 5); // [DEFAULT: 1] // [HIDDEN PREF]
lockPref("extensions.autoDisableScopes", 15); // [DEFAULT: 15]
// -------------------------------------
// Pref : Enable warning when websites try to install add-ons
lockPref("xpinstall.whitelist.required", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Enforce CSP (Content Security Policy)
// [WARNING] CSP is a very important and widespread security feature. Don't disable it!
// https://developer.mozilla.org/docs/Web/HTTP/CSP
defaultPref("security.csp.enable", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Block top level window data: URIs
// https://bugzilla.mozilla.org/1331351
// https://www.wordfence.com/blog/2017/01/gmail-phishing-data-uri/
// https://www.fxsitecompat.com/en-CA/docs/2017/data-url-navigations-on-top-level-window-will-be-blocked/
lockPref("security.data_uri.block_toplevel_data_uri_navigations", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Enable only whitelisted URL protocol handlers
// https://news.ycombinator.com/item?id=13047883
// https://bugzilla.mozilla.org/show_bug.cgi?id=167475
// https://github.com/pyllyukko/user.js/pull/285#issuecomment-298124005
// [NOTE] Disabling nonessential protocols breaks all interaction with custom protocols such as mailto:, irc:, magnet: ... and breaks opening third-party mail/messaging/torrent/... clients when clicking on links with these protocols
// If you want to enable a protocol, set network.protocol-handler.expose.(protocol) to true and network.protocol-handler.external.(protocol) to:
// * true, if the protocol should be handled by an external application
// * false, if the protocol should be handled internally by Firefox
lockPref("network.protocol-handler.warn-external-default", true);
lockPref("network.protocol-handler.external.javascript", false);
lockPref("network.protocol-handler.external.data", false);
lockPref("network.protocol-handler.external.about", false); // [DESKTOP]
lockPref("network.protocol-handler.external.blob", false); // [DESKTOP]
lockPref("network.protocol-handler.external.chrome", false); // [DESKTOP]
lockPref("network.protocol-handler.external.file", false); // [DESKTOP]
lockPref("network.protocol-handler.external.ftp", false); // [DESKTOP]
lockPref("network.protocol-handler.external.http", false); // [DESKTOP]
lockPref("network.protocol-handler.external.https", false); // [DESKTOP]
lockPref("network.protocol-handler.external.moz-extension", false); // [DESKTOP]
lockPref("network.protocol-handler.external.ms-windows-store", false); // [DESKTOP]
lockPref("network.protocol-handler.expose-all", false);
lockPref("network.protocol-handler.expose.http", true);
lockPref("network.protocol-handler.expose.https", true);
lockPref("network.protocol-handler.expose.javascript", true);
lockPref("network.protocol-handler.expose.moz-extension", true);
lockPref("network.protocol-handler.expose.ftp", true);
lockPref("network.protocol-handler.expose.file", true);
lockPref("network.protocol-handler.expose.about", true);
lockPref("network.protocol-handler.expose.chrome", true);
lockPref("network.protocol-handler.expose.blob", true);
lockPref("network.protocol-handler.expose.data", true);
// -------------------------------------
// Pref : Don't allow meta-refresh when backgrounded
lockPref("browser.meta_refresh_when_inactive.disabled", true);
// -------------------------------------
// Pref : Optimize images memory usage
lockPref("image.downscale-during-decode.enabled", true);
// -------------------------------------
// Pref : Disable firstrun showup
lockPref("browser.firstrun.show.uidiscovery", false); // [DEFAULT: true]
lockPref("browser.firstrun.show.localepicker", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable sending console to logcat on release builds.
lockPref("consoleservice.logcat", false); // [FENNEC]
// -------------------------------------
// Pref : Disable Pocket
// https://support.mozilla.org/en-US/kb/save-web-pages-later-pocket-firefox
// https://github.com/pyllyukko/user.js/issues/143
lockPref("browser.pocket.enabled", false); // [DESKTOP]
lockPref("extensions.pocket.enabled", false); // [DESKTOP]
lockPref("extensions.pocket.api", ""); // [DESKTOP]
lockPref("extensions.pocket.oAuthConsumerKey", ""); // [DESKTOP]
lockPref("extensions.pocket.site", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable Displaying Javascript in History URLs
lockPref("browser.urlbar.filter.javascript", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable Firefox's built-in PDF reader
// This setting controls if the option "Display in Firefox" is available in the setting below and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With")
// PROS: pdfjs is lightweight, open source, and as secure/vetted as any pdf reader out there (more than most)
// Exploits are rare (1 serious case in 4 yrs), treated seriously and patched quickly.
// It doesn't break "state separation" of browser content (by not sharing with OS, independent apps).
// It maintains disk avoidance and application data isolation. It's convenient. You can still save to disk.
// CONS: You may prefer a different pdf reader for security reasons
// CAVEAT: JS can still force a pdf to open in-browser by bundling its own code (rare)
defaultPref("pdfjs.disabled", true); // [DEFAULT: false] // [DESKTOP]
lockPref("pdfjs.enabledCache.state", false); // [DESKTOP]
lockPref("pdfjs.previousHandler.alwaysAskBeforeHandling", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable exposure of system colors to CSS or canvas
// [NOTE] See second listed bug: may cause black on black for elements with undefined colors
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=232227,1330876
lockPref("ui.use_standins_for_native_colors", true); // [DESKTOP]
// -------------------------------------
// Pref : Close tab with double click action
defaultPref("browser.tabs.closeTabByDblclick", true); // [DESKTOP]
// -------------------------------------
// Pref : Remove special permissions for certain mozilla domains
// resource://app/defaults/permissions
lockPref("permissions.manager.defaultsUrl", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable in-content SVG rendering
// Disabling SVG support breaks many UI elements on many sites incl. youtube player controls
// https://bugzilla.mozilla.org/show_bug.cgi?id=1216893
// https://github.com/iSECPartners/publications/raw/master/reports/Tor%20Browser%20Bundle/Tor%20Browser%20Bundle%20-%20iSEC%20Deliverable%201.3.pdf#16
// lockPref("svg.disabled", true);
// -------------------------------------
// Pref : Enable FF Process Priority Manager
// https://bugzilla.mozilla.org/show_bug.cgi?id=1548364
lockPref("dom.ipc.processPriorityManager.enabled", true); // [DESKTOP] // [TEST]
// -------------------------------------
// Pref : Enforce no system colors
// [NOTE] They can be fingerprinted
lockPref("browser.display.use_system_colors", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable purge site data after identifying tracking site via cookies
// [NOTE] Relax this with 'privacy.clearOnShutdown.*' enabled
// https://bugzilla.mozilla.org/show_bug.cgi?id=1599262
// https://www.ghacks.net/2020/03/04/firefox-75-will-purge-site-data-if-associated-with-tracking-cookies/
lockPref("privacy.purge_trackers.enabled", false);
// -------------------------------------
// Pref : Disable permissions delegation
// Currently applies to cross-origin geolocation, camera, mic and screen-sharing permissions, and fullscreen requests. Disabling delegation means any prompts for these will show/use their correct 3rd party origin
// https://groups.google.com/forum/#!topic/mozilla.dev.platform/BdFOMAuCGW8/discussion
lockPref("permissions.delegation.enabled", false);
// -------------------------------------
// Pref : Disable the default checkedness for "Save card and address to Firefox" checkboxes
// https://bugzilla.mozilla.org/show_bug.cgi?id=1477106
lockPref("dom.payments.defaults.saveAddress", false);
lockPref("dom.payments.defaults.saveCreditCard", false);
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Web Workers
// >>>>>>>>>>>>>>>>>>>>>>
// Pref : Disable service workers
// Service workers essentially act as proxy servers that sit between web apps, and the browser and network, are event driven, and can control the web page/site it is associated with, intercepting and modifying navigation and resource requests, and caching resources.
// [NOTE] Service worker APIs are hidden (in Firefox) and cannot be used when in PB mode.
// [NOTE] Service workers only run over HTTPS. Service workers have no DOM access.
lockPref("dom.serviceWorkers.enabled", false);
// -------------------------------------
// Pref : Disable push service
// The upstream autopush endpoint must have the Google API key corresponding to the App's sender ID; we bake this assumption directly into the URL.
lockPref("dom.push.enabled", false);
lockPref("dom.push.serverURL", "");
// -------------------------------------
// Pref : Disable web notifications
// [NOTE] Web Notifications can also use service workers and are behind a prompt
// https://developer.mozilla.org/docs/Web/API/Notifications_API
lockPref("notification.feature.enabled", false); // [FENNEC]
lockPref("dom.webnotifications.enabled", false);
lockPref("dom.webnotifications.serviceworker.enabled", false);
// -------------------------------------
// Pref : Prevent tooltips from showing up
lockPref("browser.chrome.toolbar_tips", false);
// -------------------------------------
// Pref : Disable push notifications
// Web apps can receive messages pushed to them from a server, whether or not the web app is in the foreground, or even currently loaded
// https://developer.mozilla.org/docs/Web/API/Push_API
lockPref("dom.push.alwaysConnect", false);
lockPref("dom.push.debug", false);
lockPref("dom.push.connection.enabled", false);
lockPref("dom.push.userAgentID", "");
lockPref("dom.push.udp.wakeupEnabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable hiding mime types not associated with a plugin
lockPref("browser.download.hide_plugins_without_extensions", false); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : DOM (Document Object Model) & Javascript
// >>>>>>>>>>>>>>>>>>>>>>
// Pref : Disable right-click menu manipulation via JavaScript
lockPref("dom.event.contextmenu.enabled", false);
// -------------------------------------
// Pref : Disable website access to clipboard events/content
// [NOTE] This will break some sites' functionality e.g. Outlook, Twitter, Facebook, Wordpress
// [WARNING] If both 'middlemouse.paste' and 'general.autoScroll' are true (at least one is default (false) then enabling this pref can leak clipboard content
// https://developer.mozilla.org/en-US/docs/Mozilla/Preferences/Preference_reference/dom.event.clipboardevents.enabled
// https://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/
// https://bugzilla.mozilla.org/1528289
lockPref("dom.event.clipboardevents.enabled", false);
// -------------------------------------
// Pref : Disable "Confirm you want to leave" dialog on page close
// Does not prevent JS leaks of the page close event.
// https://developer.mozilla.org/docs/Web/Events/beforeunload
// https://support.mozilla.org/questions/1043508
lockPref("dom.disable_beforeunload", true);
// -------------------------------------
// Pref : Disable shaking the screen (Vibrator API)
lockPref("dom.vibrator.enabled", false);
// -------------------------------------
// Pref : Disable clipboard commands (cut/copy) from "non-privileged" content
// This disable document.execCommand("cut"/"copy") to protect your clipboard
// https://bugzilla.mozilla.org/1170911
// lockPref("dom.allow_cut_copy", false);
// -------------------------------------
// Pref : Disable asm.js
// https://www.mozilla.org/security/advisories/mfsa2015-29/
// https://www.mozilla.org/security/advisories/mfsa2015-50/
// https://www.mozilla.org/security/advisories/mfsa2017-01/#CVE-2017-5375
// https://www.mozilla.org/security/advisories/mfsa2017-05/#CVE-2017-5400
// https://rh0dev.github.io/blog/2017/the-return-of-the-jit/
lockPref("javascript.options.asmjs", false);
// -------------------------------------
// Pref : Disable Ion, baseline JIT and RegExp to help harden JS against exploits
// [NOTE] In FF75+, when (both) Ion and JIT are disabled, **and** the new hidden pref is enabled, then Ion can still be used by extensions
// [WARNING] Disabling Ion/JIT can cause some site issues and performance loss
// https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817
// https://trac.torproject.org/projects/tor/ticket/26019
lockPref("javascript.options.ion", false);
lockPref("javascript.options.baselinejit", false); // [FENNEC - BUG] Addons issues
lockPref("javascript.options.jit_trustedprincipals", true); // [HIDDEN PREF] // [DESKTOP ?]
lockPref("javascript.options.native_regexp", false);
// -------------------------------------
// Pref : Disable WebAssembly
// https://webassembly.org/
// https://developer.mozilla.org/docs/WebAssembly
// https://en.wikipedia.org/wiki/WebAssembly
// https://trac.torproject.org/projects/tor/ticket/21549
lockPref("javascript.options.wasm", false);
lockPref("javascript.options.wasm_baselinejit", false);
lockPref("javascript.options.wasm_cranelift", false);
lockPref("javascript.options.wasm_gc", false);
lockPref("javascript.options.wasm_ionjit", false);
lockPref("javascript.options.wasm_reftypes", false);
lockPref("javascript.options.wasm_trustedprincipals", false);
lockPref("javascript.options.wasm_verbose", false);
// -------------------------------------
// Pref : Disable Intersection Observer API
// Almost a year to complete, three versions late to stable (as default false), number #1 cause of crashes in nightly numerous times, and is (primarily) an ad network API for "ad viewability checks" down to a pixel level
// https://developer.mozilla.org/docs/Web/API/Intersection_Observer_API
// https://w3c.github.io/IntersectionObserver/
// https://bugzilla.mozilla.org/1243846
lockPref("dom.IntersectionObserver.enabled", false);
// -------------------------------------
// Pref : Disable Shared Memory (Spectre mitigation)
// https://github.com/tc39/ecmascript_sharedmem/blob/master/TUTORIAL.md
// https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/
lockPref("javascript.options.shared_memory", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Enable (limited but sufficient) window.opener protection
// Makes rel=noopener implicit for target=_blank in anchor and area elements when no rel attribute is set
lockPref("dom.targetBlankNoOpener.enabled", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Don't reveal build ID
// https://bugzilla.mozilla.org/show_bug.cgi?id=583181
// lockPref("browser.startup.homepage_override.buildID", "");
// lockPref("extensions.lastAppBuildId", "");
// lockPref("media.gmp-manager.buildID", "");
// lockPref("browser.sessionstore.upgradeBackup.latestBuildID", ""); // [DESKTOP]
// lockPref("general.buildID.override", "");
// -------------------------------------
// Pref : Disable raw TCP socket support (mozTCPSocket)
// https://trac.torproject.org/projects/tor/ticket/18863
// https://www.mozilla.org/en-US/security/advisories/mfsa2015-97/
// https://developer.mozilla.org/docs/Mozilla/B2G_OS/API/TCPSocket
lockPref("dom.mozTCPSocket.enabled", false); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Media / Camera / Mic
// >>>>>>>>>>>>>>>>>>>>>>
// Pref : WebSockets is a technology that makes it possible to open an interactive communication session between the user's browser and a server. (May leak IP when using proxy/VPN)
lockPref("media.peerconnection.enabled", false);
// -------------------------------------
// Pref : Limit WebRTC IP leaks if using WebRTC
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1189041,1297416
// https://wiki.mozilla.org/Media/WebRTC/Privacy 
lockPref("media.peerconnection.ice.default_address_only", true);
lockPref("media.peerconnection.ice.no_host", true);
lockPref("media.peerconnection.use_document_iceservers", false);
lockPref("media.peerconnection.identity.enabled", false);
lockPref("media.peerconnection.turn.disable", true);
lockPref("media.peerconnection.ice.tcp", false);
lockPref("media.peerconnection.video.enabled", false);
// -------------------------------------
// Pref : Disable WebGL I/II
// [WARNING] WebGL introduce high fingerprinting... (webgl is direct hardware js) 
lockPref("webgl.disabled", true);
lockPref("webgl.enable-webgl2", false);
lockPref("webgl.min_capability_mode", true);
lockPref("pdfjs.enableWebGL", false);
lockPref("webgl.disable-wgl", true); // [DEFAULT: false]
lockPref("webgl.disable-fail-if-major-performance-caveat", true);
lockPref("webgl.can-lose-context-in-foreground", false); // [DEFAULT: true]
lockPref("webgl.force-enabled", false);
lockPref("webgl.vendor-string-override", " ");
lockPref("webgl.renderer-string-override", " ");
lockPref("webgl.all-angle-options", false);
lockPref("webgl.allow-immediate-queries", false);
lockPref("webgl.default-antialias", false);
lockPref("webgl.enable-surface-texture", false);
lockPref("webgl.cgl.multithreaded", false);
lockPref("webgl.dxgl.enabled", false);
// -------------------------------------
// Pref : Disable screensharing and audiocapture
lockPref("media.getusermedia.screensharing.enabled", false); // [DESKTOP]
lockPref("media.getusermedia.browser.enabled", false);
lockPref("media.getusermedia.audiocapture.enabled", false);
// -------------------------------------
// Pref : Disable camera support
lockPref("device.camera.enabled", false); // [DEFAULT: true] // [FENNEC]
lockPref("media.realtime_decoder.enabled", false); // [DEFAULT: true] // [FENNEC]
// -------------------------------------
// Pref : Disable canvas capture stream
// https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/captureStream
lockPref("canvas.capturestream.enabled", false);
// -------------------------------------
// Pref : Disable camera image capture
// https://trac.torproject.org/projects/tor/ticket/16339
lockPref("dom.imagecapture.enabled", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable offscreen canvas
// https://developer.mozilla.org/docs/Web/API/OffscreenCanvas
lockPref("gfx.offscreencanvas.enabled", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable autoplay of HTML5 media
// 0=Allow all, 1=Block non-muted media, 5=Block all
// [NOTE] You can set exceptions under site permissions
lockPref("media.autoplay.default", 5);
lockPref("media.autoplay.block-event.enabled", true); // [DEFAULT: false]
lockPref("media.autoplay.block-webaudio", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable autoplay of HTML5 media if you interacted with the site
lockPref("media.autoplay.enabled.user-gestures-needed", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable autoplay of HTML5 media in non-active tabs
// https://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/
lockPref("media.block-autoplay-until-in-foreground", true); // [DEFAULT: true]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Location Bar / Search Bar / Suggestions / History / Forms
// >>>>>>>>>>>>>>>>>>>>
// Pref : Do not submit invalid URIs entered in the address bar to the default search engine
lockPref("keyword.enabled", true);  // [DEFAULT: true]
// -------------------------------------
// Pref : Don't try to guess domain names when entering an invalid domain name in URL bar
lockPref("browser.fixup.alternate.enabled", false);
// -------------------------------------
// Pref : Don't trim HTTP off of URLs in the address bar
// https://bugzilla.mozilla.org/show_bug.cgi?id=665580
lockPref("browser.urlbar.trimURLs", false);
// -------------------------------------
// Pref : Limit history leaks via enumeration (PER TAB: back/forward)
// This is a PER TAB session history. You still have a full history stored under all history
// Minimum=1=currentpage, 2 is the recommended minimum as some pages use it as a means of referral (e.g. hotlinking), 4 or 6 or 10 may be more practical
lockPref("browser.sessionhistory.max_entries", 4); // [DEFAULT: 50]
// -------------------------------------
// Pref : Disable coloring of visited links - CSS history leak
// [NOTE] This has NEVER been fully "resolved": in Mozilla/docs it is stated it's only in 'certain circumstances'
// [TEST] https://earthlng.github.io/testpages/visited_links.html (see github wiki APPENDIX C on how to use)
// https://dbaron.org/mozilla/visited-privacy
// https://bugzilla.mozilla.org/147777
// https://developer.mozilla.org/docs/Web/CSS/Privacy_and_the_:visited_selector
lockPref("layout.css.visited_links_enabled", false);
// -------------------------------------
// Pref : Disable live search suggestions
lockPref("browser.search.suggest.enabled", false);
lockPref("browser.search.suggest.enabled.private", false);
lockPref("browser.urlbar.suggest.searches", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable "Would you like to turn on search suggestions" prompt message
lockPref("browser.search.suggest.prompted", true); // [FENNEC]
// -------------------------------------
// Pref : Disable information entered in web page forms and the search bar
// [NOTE] You can clear formdata on exiting Firefox
defaultPref("browser.formfill.enable", false);
// -------------------------------------
// Pref : Disable date/time picker
// [WARNING] This can leak your locale if not en-US
// https://trac.torproject.org/projects/tor/ticket/21787
// https://bugzilla.mozilla.org/show_bug.cgi?id=1287503
// lockPref("dom.forms.datetime", false);
// -------------------------------------
// Pref : Disable Windows jumplist
lockPref("browser.taskbar.lists.enabled", false); // [WINDOWS] // [DESKTOP]
lockPref("browser.taskbar.lists.frequent.enabled", false); // [WINDOWS] // [DESKTOP]
lockPref("browser.taskbar.lists.recent.enabled", false); // [WINDOWS] // [DESKTOP]
lockPref("browser.taskbar.lists.tasks.enabled", false); // [WINDOWS] // [DESKTOP]
// -------------------------------------
// Pref : Disable Windows taskbar preview
lockPref("browser.taskbar.previews.enable", false); // [WINDOWS] // [DESKTOP]
// -------------------------------------
// Pref : Disable UITour backend so there is no chance that a remote page can use it
lockPref("browser.uitour.enabled", false); // [DESKTOP]
lockPref("browser.uitour.url", ""); // [DESKTOP]
lockPref("browser.uitour.themeOrigin", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable location bar making speculative connections
// https://bugzilla.mozilla.org/1348275
lockPref("browser.urlbar.speculativeConnect.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable location bar suggesting "preloaded" top websites
// https://bugzilla.mozilla.org/1211726
lockPref("browser.urlbar.usepreloadedtopurls.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Firefox Tips / Search suggestions
lockPref("browser.urlbar.daysBeforeHidingSuggestionsPrompt", 0); // [DESKTOP]
lockPref("browser.urlbar.searchSuggestionsChoice", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable URL bar autocomplete and history/bookmarks suggestions dropdown
// http://kb.mozillazine.org/Disabling_autocomplete_-_Firefox#Firefox_3.5
lockPref("browser.urlbar.autocomplete.enabled", false); // [FENNEC]
defaultPref("browser.urlbar.suggest.history", false); // [DESKTOP]
defaultPref("browser.urlbar.suggest.bookmark", false); // [DESKTOP]
defaultPref("browser.urlbar.suggest.openpage", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable browsing and download history
// lockPref("places.history.enabled", false); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Security
// >>>>>>>>>>>>>>>>>>>>
// Pref : Blocking GD Parking Scam Site 
defaultPref("network.dns.localDomains", "");
// -------------------------------------
// Pref : Enable HSTS preload list (pre-set HSTS sites list provided by Mozilla)
// https://blog.mozilla.org/security/2012/11/01/preloading-hsts/
// https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List
// https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security
lockPref("network.stricttransportsecurity.preloadlist", true);
// -------------------------------------
// Pref : Disable insecure TLS version fallback
// https://bugzilla.mozilla.org/show_bug.cgi?id=1084025
// https://github.com/pyllyukko/user.js/pull/206#issuecomment-280229645
lockPref("security.tls.version.fallback-limit", 3);
// -------------------------------------
// Pref : Enable OCSP Must-Staple support
// https://blog.mozilla.org/security/2015/11/23/improving-revocation-ocsp-must-staple-and-short-lived-certificates/
// https://www.entrust.com/ocsp-must-staple/
// https://github.com/schomery/privacy-settings/issues/40
// [NOTE] Firefox falls back on plain OCSP when must-staple is not configured on the host certificate
lockPref("security.ssl.enable_ocsp_must_staple", true);
// -------------------------------------
// Pref : Control remote debugging
lockPref("devtools.remote.usb.enabled", false); // [DEFAULT: false]
lockPref("devtools.remote.wifi.enabled", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable dump function
// True if you always want dump() to work
// On Android, you also need to do the following for the output to show up in logcat:
// $ adb shell stop
// $ adb shell setprop log.redirect-stdio true
// $ adb shell start
lockPref("browser.dom.window.dump.enabled", false); // [DEFAULT: true]
lockPref("devtools.console.stdout.chrome", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable number linkification
lockPref("browser.ui.linkify.phone", false); // [DEFAULT: false] // [FENNEC]
// -------------------------------------
// Pref : Controls which bits of private data to clear.
lockPref("privacy.item.cache", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.cookies", true); // [DEFAULT: true]
lockPref("privacy.item.offlineApps", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.history", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.searchHistory", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.formdata", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.downloads", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.passwords", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.sessions", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.geolocation", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.siteSettings", true); // [DEFAULT: true] // [FENNEC]
lockPref("privacy.item.syncAccount", true); // [DEFAULT: true] // [FENNEC]
// -------------------------------------
// Pref : Disable tab hiding API by default
defaultPref("extensions.webextensions.tabhide.enabled", false); // [DEFAULT: true] // [DESKTOP]
// -------------------------------------
// Pref : WebSockets is a technology that makes it possible to open an interactive communication session between the user's browser and a server. (May leak IP when using proxy/VPN)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1091016
lockPref("network.websocket.enabled", false); // [HIDDEN PREF] // [DEPRECATED] // [DESKTOP]
// -------------------------------------
// Pref : Block new requests asking to access your hardware components
// This will prevent any websites not listed in a specific list from requesting permission to access your components
lockPref("permissions.default.geo", 2); // [DESKTOP]
lockPref("permissions.default.camera", 2); // [DESKTOP]
lockPref("permissions.default.microphone", 2); // [DESKTOP]
lockPref("permissions.default.desktop-notification", 2); // [DESKTOP]
// -------------------------------------
// Pref : Disable the Enterprise Roots preference
// https://support.mozilla.org/en-US/kb/how-disable-enterprise-roots-preference
lockPref("security.enterprise_roots.enabled", false);
lockPref("security.certerrors.mitm.auto_enable_enterprise_roots", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable access to navigator.mediaDevices features on HTTP web pages
// https://developer.mozilla.org/en-US/docs/Web/API/Navigator/mediaDevices
lockPref("media.devices.insecure.enabled", false);
// -------------------------------------
// Pref : Disable verbosity of the internal logger
lockPref("remote.log.level", ""); // [DESKTOP]
// -------------------------------------
// Pref : Disable security bypass buttons
// Prevent the user from bypassing security in certain cases.
// "security.certerror.hideAddException" prevents adding an exception when an invalid certificate is shown.
// "browser.safebrowsing.allowOverride" prevents selecting "ignore the risk" and visiting a harmful site anyway.
lockPref("browser.safebrowsing.allowOverride", false); // [DESKTOP]
lockPref("security.certerror.hideAddException", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable safe mode
// In case of a crash, we don't want to prompt for a safe-mode browser that has extensions disabled.
// https://support.mozilla.org/en-US/questions/951221#answer-410562
lockPref("toolkit.startup.max_resumed_crashes", -1); // [DESKTOP]
// -------------------------------------
// Pref : Force Encrypted Server Name Indication (eSNI) for TLS 1.3 if TRR/DoH is enabled
// [NOTE] I don't encourage DoH (but it is a useful and valid mechanism for those who need it)
// https://wiki.mozilla.org/Trusted_Recursive_Resolver#ESNI
// https://en.wikipedia.org/wiki/Server_Name_Indication#Security_implications_(ESNI)
lockPref("network.security.esni.enabled", true);
// -------------------------------------
// Pref : Disable ping to Mozilla for Man-in-the-Middle detection
// https://blog.torproject.org/new-release-tor-browser-901
lockPref("security.certerrors.mitm.priming.enabled", false); // [DESKTOP]
lockPref("security.certerrors.mitm.priming.endpoint", ""); // [DESKTOP]
lockPref("security.pki.mitm_canary_issuer", "");
lockPref("security.pki.mitm_canary_issuer.enabled", false);
lockPref("security.pki.mitm_detected", false);
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Block Implicit Outbound
// >>>>>>>>>>>>>>>>>>>>
// Pref : Disable prefetching of <link rel="next"> URLs
// Link prefetching is when a webpage hints to the browser that certain pages are likely to be visited, so the browser downloads them immediately so they can be displayed immediately when the user requests it.
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ#Is_there_a_preference_to_disable_link_prefetching.3F
lockPref("network.prefetch-next", false);
// -------------------------------------
// Pref : Disable DNS prefetching
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching
lockPref("network.dns.disablePrefetch", true);
lockPref("network.dns.disablePrefetchFromHTTPS", true); // [HIDDEN PREF ESR] [DEFAULT: true]
// -------------------------------------
// Pref : Disable pinging URIs specified in HTML <a> ping= attributes
lockPref("browser.send_pings", false);
// -------------------------------------
// Pref : When browser pings are enabled, only allow pinging the same host as the origin page
lockPref("browser.send_pings.require_same_host", true);
// -------------------------------------
// Pref : Disable speculative pre-connections
// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_speculative-pre-connections
// https://bugzilla.mozilla.org/show_bug.cgi?id=814169
lockPref("network.http.speculative-parallel-limit", 0);
// -------------------------------------
// Pref : Disable predictor / prefetching
// Network predicator load pages before they are opened with mose hover for example
lockPref("network.predictor.enabled", false);
lockPref("network.predictor.enable-prefetch", false);
lockPref("network.predictor.enable-hover-on-ssl", false);
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : HTTP* / TCP/IP / DNS / PROXY / SOCKS etc.
// >>>>>>>>>>>>>>>>>>>>
// Pref : Disable IPv6
// If your OS or ISP does not support IPv6, there is no reason to have this preference set to false.
lockPref("network.dns.disableIPv6", true);
// -------------------------------------
// Pref : Disable HTTP2 (which was based on SPDY which is now deprecated)
// HTTP2 raises concerns with "multiplexing" and "server push", does nothing to enhance privacy, and in fact opens up a number of server-side fingerprinting opportunities.
// [SETUP-PERF] Relax this if you have FPI enabled and you understand the consequences. FPI isolates these, but it was designed with the Tor protocol in mind, and the Tor Browser has extra protection, including enhanced sanitizing per Identity.
// https://http2.github.io/faq/
// https://blog.scottlogic.com/2014/11/07/http-2-a-quick-look.html
// https://queue.acm.org/detail.cfm?id=2716278
// https://github.com/ghacksuserjs/ghacks-user.js/issues/107
// lockPref("network.http.spdy.enabled", false);
// lockPref("network.http.spdy.enabled.deps", false);
// lockPref("network.http.spdy.enabled.http2", false);
// lockPref("network.http.spdy.websockets", false);
// -------------------------------------
// Pref : Enforce the proxy server to do any DNS lookups when using SOCKS
// e.g. in Tor, this stops your local DNS server from knowing your Tor destination as a remote Tor node will handle the DNS request
// https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers
defaultPref("network.proxy.socks_remote_dns", true);
// -------------------------------------
// Pref : Remove paths when sending URLs to PAC scripts
// https://bugzilla.mozilla.org/1255474
defaultPref("network.proxy.autoconfig_url.include_path", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable (or setup) DNS-over-HTTPS (DoH)
// TRR = Trusted Recursive Resolver
// 0=off by default, 1=race, 2=TRR first, 3=TRR only, 4=race for stats, but always use native result, 5=explicitly off
// [WARNING] DoH bypasses hosts and gives info to yet another party (e.g. Cloudflare)
// [BUG] This seem to disable socks_remote_dns ?! need to check with wireshark 
// If true, just settings urls to null should be enough to disable without impacting socks_remote_dns.
// https://www.ghacks.net/2018/04/02/configure-dns-over-https-in-firefox/
// https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/
defaultPref("network.trr.mode", 0);
defaultPref("network.trr.bootstrapAddress", "");
defaultPref("network.trr.uri", "");
defaultPref("network.trr.resolvers", "[]");
// -------------------------------------
// Pref : Enable Subresource Integrity
// https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity
// https://wiki.mozilla.org/Security/Subresource_Integrity
lockPref("security.sri.enable", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable using UNC (Uniform Naming Convention) paths
// https://trac.torproject.org/projects/tor/ticket/26424
lockPref("network.file.disable_unc_paths", true); // [HIDDEN PREF] // [DESKTOP]
// -------------------------------------
// Pref : Disable HTTP Alternative Services
// https://www.ghacks.net/2015/08/18/a-comprehensive-list-of-firefox-privacy-and-security-settings/#comment-3970881
// https://www.mnot.net/blog/2016/03/09/alt-svc
lockPref("network.http.altsvc.enabled", false); // [DESKTOP]
lockPref("network.http.altsvc.oe", false); // [DESKTOP]
// -------------------------------------
// Pref : Disallow NTLMv1
// https://bugzilla.mozilla.org/show_bug.cgi?id=828183
lockPref("network.negotiate-auth.allow-insecure-ntlm-v1", false); // [DESKTOP]
// It is still allowed through HTTPS. uncomment the following to disable it completely.
// lockPref("network.negotiate-auth.allow-insecure-ntlm-v1-https", false); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : HTTPS (SSL/TLS / OCSP / Certs / HPKP / Ciphers)
// >>>>>>>>>>>>>>>>>>>>
// Pref : Enable HTTPS-only-mode
// [NOTE] This is experimental
// https://www.ghacks.net/2020/03/24/firefox-76-gets-optional-https-only-mode/
// https://bugzilla.mozilla.org/1613063
// defaultPref("dom.security.https_only_mode", true);
// defaultPref("dom.security.https_only_mode.upgrade_local", true);
// -------------------------------------
// Pref : Require safe negotiation
// Blocks connections to servers that don't support RFC 5746 as they're potentially vulnerable to a MiTM attack. A server *without* RFC 5746 can be safe from the attack if it disables renegotiations but the problem is that the browser can't know that.
// Setting this pref to true is the only way for the browser to ensure there will be no unsafe renegotiations on the channel between the browser and the server.
// https://wiki.mozilla.org/Security:Renegotiation
// https://tools.ietf.org/html/rfc5746
// https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
lockPref("security.ssl.require_safe_negotiation", true);
// -------------------------------------
// Pref : Control TLS versions with min and max
// 1=TLS 1.0, 2=TLS 1.1, 3=TLS 1.2, 4=TLS 1.3
// [WARNING] Leave these at default, otherwise you alter your TLS fingerprint.
// Firefox telemetry (April 2020) shows only 0.25% of TLS web traffic uses 1.0 or 1.1
// https://www.ssllabs.com/ssl-pulse/
// lockPref("security.tls.version.min", 3);
// lockPref("security.tls.version.max", 4);
// -------------------------------------
// Pref : Enforce TLS 1.0 and 1.1 downgrades as session only
lockPref("security.tls.version.enable-deprecated", false);
// -------------------------------------
// Pref : Disable SSL Error Reporting
// https://firefox-source-docs.mozilla.org/browser/base/sslerrorreport/preferences.html
lockPref("security.ssl.errorReporting.enabled", false);
lockPref("security.ssl.errorReporting.automatic", false);
lockPref("security.ssl.errorReporting.url", "");
// -------------------------------------
// Pref : Disable SSL session tracking
// SSL Session IDs are unique, last up to 24hrs in Firefox, and can be used for tracking
// https://tools.ietf.org/html/rfc5077
// https://bugzilla.mozilla.org/967977
// https://arxiv.org/abs/1810.07304
lockPref("security.ssl.disable_session_identifiers", true); // [DEFAULT: true] // [HIDDEN PREF]
// -------------------------------------
// Pref : Disable TLS1.3 0-RTT (round-trip time)
// https://github.com/tlswg/tls13-spec/issues/1001
// https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/
lockPref("security.tls.enable_0rtt_data", false);
// -------------------------------------
// Pref : Require a valid OCSP response for OCSP enabled certificates
// https://groups.google.com/forum/#!topic/mozilla.dev.security/n1G-N2-HTVA
// Disabling this will make OCSP bypassable by MitM attacks suppressing OCSP responses
// [NOTE] `security.OCSP.require` will make the connection fail when the OCSP responder is unavailable
// [NOTE] `security.OCSP.require` is known to break browsing on some [captive portals](https://en.wikipedia.org/wiki/Captive_portal)
lockPref("security.OCSP.require", true);
// -------------------------------------
// Pref : Enable OSCP (Online Certificate Status Protocol)
// https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol
// https://www.imperialviolet.org/2014/04/19/revchecking.html
// https://www.maikel.pro/blog/current-state-certificate-revocation-crls-ocsp/
// https://wiki.mozilla.org/CA:RevocationPlan
// https://wiki.mozilla.org/CA:ImprovingRevocation
// https://wiki.mozilla.org/CA:OCSP-HardFail
// https://news.netcraft.com/archives/2014/04/24/certificate-revocation-why-browsers-remain-affected-by-heartbleed.html
// https://news.netcraft.com/archives/2013/04/16/certificate-revocation-and-the-performance-of-ocsp.html
// [NOTE] OCSP leaks your IP and domains you visit to the CA when OCSP Stapling is not available on visited host
// [NOTE] OCSP is vulnerable to replay attacks when nonce is not configured on the OCSP responder
// [NOTE] OCSP adds latency (performance)
// [NOTE] Short-lived certificates are not checked for revocation (security.pki.cert_short_lifetime_in_days, default:10)
lockPref("security.OCSP.enabled", 0);
// -------------------------------------
// Pref : Enable OCSP Stapling support
// Stapling have the site itself proof that his certificate is good through the CA so apparently nothing is leaked in this case.
// https://en.wikipedia.org/wiki/OCSP_stapling
// https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/
lockPref("security.ssl.enable_ocsp_stapling", true);
// -------------------------------------
// Pref : Disallow SHA-1
// 0=all SHA1 certs are allowed
// 1=all SHA1 certs are blocked
// 2=deprecated option that now maps to 1
// 3=only allowed for locally-added roots (e.g. anti-virus)
// 4=only allowed for locally-added roots or for certs in 2015 and earlier
// https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/
// https://bugzilla.mozilla.org/show_bug.cgi?id=1302140
// https://shattered.io/
lockPref("security.pki.sha1_enforcement_level", 1);
// -------------------------------------
// Pref : Disable Windows 8.1's Microsoft Family Safety cert
// 0=disable detecting Family Safety mode and importing the root
// 1=only attempt to detect Family Safety mode (don't import the root)
// 2=detect Family Safety mode and import the root
// https://trac.torproject.org/projects/tor/ticket/21686
lockPref("security.family_safety.mode", 0);
// -------------------------------------
// Pref : Enfore Public Key Pinning
// https://en.wikipedia.org/wiki/HTTP_Public_Key_Pinning
// https://wiki.mozilla.org/SecurityEngineering/Public_Key_Pinning
// 2= strict (pinning is always enforced)
lockPref("security.cert_pinning.enforcement_level", 2);
// -------------------------------------
// Pref : Disable insecure active content on https pages
// https://trac.torproject.org/projects/tor/ticket/21323
lockPref("security.mixed_content.block_active_content", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable insecure passive content (such as images) on https pages
lockPref("security.mixed_content.upgrade_display_content", true);
lockPref("security.mixed_content.block_display_content", true);
// -------------------------------------
// Pref : Block unencrypted requests from Flash on encrypted pages to mitigate MitM attacks
// https://bugzilla.mozilla.org/1190623
lockPref("security.mixed_content.block_object_subrequest", true);
// -------------------------------------
// Pref : Disable 3DES (effective key size < 128)
// https://en.wikipedia.org/wiki/3des#Security
// https://en.wikipedia.org/wiki/Meet-in-the-middle_attack
// https://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html
lockPref("security.ssl3.rsa_des_ede3_sha", false);
lockPref("security.ssl3.dhe_dss_des_ede3_sha", false); // [DESKTOP]
lockPref("security.ssl3.dhe_rsa_des_ede3_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdh_ecdsa_des_ede3_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdh_rsa_des_ede3_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdhe_ecdsa_des_ede3_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdhe_rsa_des_ede3_sha", false); // [DESKTOP]
lockPref("security.ssl3.rsa_fips_des_ede3_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable 40/56/128-bit ciphers
lockPref("security.ssl3.rsa_rc4_40_md5", false); // 40-bit // [DESKTOP]
lockPref("security.ssl3.rsa_rc2_40_md5", false); // 40-bit // [DESKTOP]
lockPref("security.ssl3.rsa_1024_rc4_56_sha", false); // 56-bit // [DESKTOP]
lockPref("security.ssl3.rsa_camellia_128_sha", false); // 128-bit // [DESKTOP]
lockPref("security.ssl3.ecdhe_rsa_aes_128_sha", false); // 128-bit
lockPref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); // 128-bit
lockPref("security.ssl3.ecdh_rsa_aes_128_sha", false); // 128-bit // [DESKTOP]
lockPref("security.ssl3.ecdh_ecdsa_aes_128_sha", false); // 128-bit // [DESKTOP]
lockPref("security.ssl3.dhe_rsa_camellia_128_sha", false); // 128-bit // [DESKTOP]
lockPref("security.ssl3.dhe_rsa_aes_128_sha", false); // 128-bit // [DESKTOP]
// -------------------------------------
// Pref : Disable 256 bits ciphers without PFS
lockPref("security.ssl3.rsa_camellia_256_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable SEED cipher
// https://en.wikipedia.org/wiki/SEED
lockPref("security.ssl3.rsa_seed_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable null ciphers
lockPref("security.ssl3.rsa_null_sha", false); // [DESKTOP]
lockPref("security.ssl3.rsa_null_md5", false); // [DESKTOP]
lockPref("security.ssl3.ecdhe_rsa_null_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdhe_ecdsa_null_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdh_rsa_null_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdh_ecdsa_null_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Enable GCM ciphers (TLSv1.2 only)
// https://en.wikipedia.org/wiki/Galois/Counter_Mode
lockPref("security.ssl3.ecdhe_rsa_aes_128_gcm_sha256", true); // [DEFAULT: true]
lockPref("security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable ciphers with ECDHE and key size > 128bits
lockPref("security.ssl3.ecdhe_rsa_aes_256_sha", false); // [DEFAULT: true]
lockPref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Enable ChaCha20 and Poly1305
// https://www.mozilla.org/en-US/firefox/47.0/releasenotes/
// https://tools.ietf.org/html/rfc7905
// https://bugzilla.mozilla.org/show_bug.cgi?id=917571
// https://bugzilla.mozilla.org/show_bug.cgi?id=1247860
// https://cr.yp.to/chacha.html
lockPref("security.ssl3.ecdhe_ecdsa_chacha20_poly1305_sha256", true);
lockPref("security.ssl3.ecdhe_rsa_chacha20_poly1305_sha256", true);
// -------------------------------------
// Pref : Disable the remaining non-modern cipher suites (fallbacks)
lockPref("security.ssl3.rsa_aes_128_sha", false);
lockPref("security.ssl3.rsa_aes_256_sha", false);
// -------------------------------------
// Pref : Disable ciphers with DSA (max 1024 bits)
lockPref("security.ssl3.dhe_dss_aes_128_sha", false); // [DESKTOP]
lockPref("security.ssl3.dhe_dss_aes_256_sha", false); // [DESKTOP]
lockPref("security.ssl3.dhe_dss_camellia_128_sha", false); // [DESKTOP]
lockPref("security.ssl3.dhe_dss_camellia_256_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable ciphers susceptible to the logjam attack
// https://weakdh.org/
lockPref("security.ssl3.dhe_rsa_camellia_256_sha", false); // [DESKTOP]
lockPref("security.ssl3.dhe_rsa_aes_256_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable ciphers with ECDH (non-ephemeral)
lockPref("security.ssl3.ecdh_rsa_aes_256_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdh_ecdsa_aes_256_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable RC4
// https://developer.mozilla.org/en-US/Firefox/Releases/38#Security
// https://bugzilla.mozilla.org/show_bug.cgi?id=1138882
// https://rc4.io/
// https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2566
lockPref("security.ssl3.ecdh_ecdsa_rc4_128_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdh_rsa_rc4_128_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false); // [DESKTOP]
lockPref("security.ssl3.ecdhe_rsa_rc4_128_sha", false); // [DESKTOP]
lockPref("security.ssl3.rsa_rc4_128_md5", false); // [DESKTOP]
lockPref("security.ssl3.rsa_rc4_128_sha", false); // [DESKTOP]
// -------------------------------------
// Pref : Display warning on the padlock for "broken security"
// [BUG] Warning padlock not indicated for subresources on a secure page!
// https://wiki.mozilla.org/Security:Renegotiation
// https://bugzilla.mozilla.org/1353705
lockPref("security.ssl.treat_unsafe_negotiation_as_broken", true);
// -------------------------------------
// Pref : Control "Add Security Exception" dialog on SSL warnings
// 0=do neither 1=pre-populate url 2=pre-populate url + pre-fetch cert (default)
// https://github.com/pyllyukko/user.js/issues/210
lockPref("browser.ssl_override_behavior", 1);
// -------------------------------------
// Pref : Display advanced information on Insecure Connection warning pages (only works when it's possible to add an exception), i.e. it doesn't work for HSTS discrepancies
// https://subdomain.preloaded-hsts.badssl.com/
// [TEST] https://expired.badssl.com/
lockPref("browser.xul.error_pages.expert_bad_cert", true);
// -------------------------------------
// Pref : Disable GIO as a potential proxy bypass vector
// Gvfs/GIO has a set of supported protocols like obex, network, archive, computer, dav, cdda, gphoto2, trash, etc. By default only smb and sftp protocols are accepted so far.
// https://bugzilla.mozilla.org/1433507
// https://trac.torproject.org/23044
// https://en.wikipedia.org/wiki/GVfs
// https://en.wikipedia.org/wiki/GIO_(software)
lockPref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : User Settings
// >>>>>>>>>>>>>>>>>>>>
// Pref : Set behaviour on "+ Tab" button to display container menu on left click
// [NOTE] The menu is always shown on long press and right click each new tab
// defaultPref("privacy.userContext.newTabContainerOnLeftClick.enabled", true); // [DESKTOP]
// -------------------------------------
// Pref : Enable Container Tabs setting in preferences
// https://bugzilla.mozilla.org/1279029 
defaultPref("privacy.userContext.ui.enabled", true); // [DESKTOP]
// -------------------------------------
// Pref : Enable Container Tabs
defaultPref("privacy.userContext.enabled", true); // [DESKTOP]
// -------------------------------------
// Pref : Enable a private container for thumbnail loads
defaultPref("privacy.usercontext.about_newtab_segregation.enabled", true); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Passwords
// >>>>>>>>>>>>>>>>>>>>
// Pref : Disable about:logins (Firefox Lockwise)
// https://lockwise.firefox.com/
// https://support.mozilla.org/en-US/kb/firefox-lockwise-managing-account-data
lockPref("signon.management.page.breach-alerts.enabled", false); // [DESKTOP]
lockPref("signon.management.page.breachAlertUrl", ""); // [DESKTOP]
lockPref("signon.management.page.hideMobileFooter", true); // [DESKTOP]
lockPref("signon.management.page.mobileAndroidURL", ""); // [DESKTOP]
lockPref("signon.management.page.mobileAppleURL", ""); // [DESKTOP]
lockPref("signon.management.page.showPasswordSyncNotification", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable autofilling saved passwords on HTTP pages and show warning
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1217152,1319119
lockPref("signon.autofillForms.http", false);
lockPref("security.insecure_field_warning.contextual.enabled", true);
// -------------------------------------
// Pref : Disable password manager
// [NOTE] This does not clear any passwords already saved
lockPref("signon.rememberSignons", false);
lockPref("signon.rememberSignons.visibilityToggle", false);
lockPref("signon.schemeUpgrades", false);
lockPref("signon.showAutoCompleteFooter", false);
lockPref("signon.autologin.proxy", false);
lockPref("signon.privateBrowsingCapture.enabled", false);
lockPref("signon.debug", false);
// -------------------------------------
// Pref : Disable Firefox import password from signons.sqlite file
// https://support.mozilla.org/en-US/questions/1020818
lockPref("signon.importedFromSqlite", false);
lockPref("signon.recipes.path", "");
// -------------------------------------
// Pref : Set how often Firefox should ask for the master password
// 0=the first time (default), 1=every time it's needed, 2=every n minutes
lockPref("security.ask_for_password", 2);
// -------------------------------------
// Pref : Set how often in minutes Firefox should ask for the master password
lockPref("security.password_lifetime", 1); // [DEFAULT: 30]
// -------------------------------------
// Pref : Disable auto-filling username & password form fields
// Can leak in cross-site forms and be spoofed
// NOTE] Username & password is still available when you enter the field
lockPref("signon.autofillForms", false);
lockPref("signon.autofillForms.autocompleteOff", true);
lockPref("signon.showAutoCompleteOrigins", false);
// -------------------------------------
// Pref : Disable websites autocomplete
// Don't let sites dictate use of saved logins and passwords. 
lockPref("signon.storeWhenAutocompleteOff", false);
// -------------------------------------
// Pref : Disable formless login capture
// https://bugzilla.mozilla.org/show_bug.cgi?id=1166947
lockPref("signon.formlessCapture.enabled", false);
// -------------------------------------
// Pref : Limit (or disable) HTTP authentication credentials dialogs triggered by  sub-resources
// Hardens against potential credentials phishing
// 0=don't allow sub-resources to open HTTP authentication credentials dialogs
// 1=don't allow cross-origin sub-resources to open HTTP authentication credentials dialogs
// 2=allow sub-resources to open HTTP authentication credentials dialogs (default)
// https://www.fxsitecompat.com/en-CA/docs/2015/http-auth-dialog-can-no-longer-be-triggered-by-cross-origin-resources/
lockPref("network.auth.subresource-http-auth-allow", 1);
// -------------------------------------
// Pref : Prevent cross-origin images from triggering an HTTP-Authentication prompt
// https://bugzilla.mozilla.org/1357835
lockPref("network.auth.subresource-img-cross-origin-http-auth-allow", false); // [DEPRECATED] // [DESKTOP]
// -------------------------------------
// Pref : Disable Firefox built-in password generator
// https://wiki.mozilla.org/Toolkit:Password_Manager/Password_Generation
// [NOTE]  Best still create passwords with random characters and numbers in sequence by yourself
defaultPref("signon.generation.available", false);
defaultPref("signon.generation.enabled", false);
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Window Meddling & Leaks / Popups
// >>>>>>>>>>>>>>>>>>>>
// Pref : Prevent websites from disabling new window features
lockPref("dom.disable_window_open_feature.close", true); // [DEFAULT: false]
lockPref("dom.disable_window_open_feature.location", true); // [DEFAULT: false]
lockPref("dom.disable_window_open_feature.menubar", true); // [DEFAULT: false]
lockPref("dom.disable_window_open_feature.minimizable", true); // [DEFAULT: false]
lockPref("dom.disable_window_open_feature.personalbar", true); // [DEFAULT: false]
lockPref("dom.disable_window_open_feature.resizable", true); // [DEFAULT: true]
lockPref("dom.disable_window_open_feature.status", true); // [DEFAULT: true]
lockPref("dom.disable_window_open_feature.titlebar", true); // [DEFAULT: false]
lockPref("dom.disable_window_open_feature.toolbar", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Prevent scripts from moving and resizing open windows
lockPref("dom.disable_window_move_resize", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Open links targeting new windows in a new tab instead
// This stops malicious window sizes and some screen resolution leaks.
// You can still right-click a link and open in a new window.
// [TEST] https://people.torproject.org/~gk/misc/entire_desktop.html
// https://trac.torproject.org/projects/tor/ticket/9881
defaultPref("browser.link.open_newwindow", 3); // [DEFAULT: 3]
defaultPref("browser.link.open_newwindow.restriction", 0); // [DEFAULT: 0]
// -------------------------------------
// Pref : Disable Fullscreen API (requires user interaction) to prevent screen-resolution leaks
// [NOTE] You can still manually toggle the browser's fullscreen state, but this pref will disable embedded video fullscreen controls, e.g. youtube
// [TEST] https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html#screen
// lockPref("full-screen-api.enabled", false);
// -------------------------------------
// Pref : Block popup windows
defaultPref("dom.disable_open_during_load", true); // [DEFAULT: true]
lockPref("privacy.popups.showBrowserMessage", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Set max popups from a single non-click event
// [NOTE] Non-click events should never spawn a popup?
lockPref("dom.popup_maximum", 0); // [DEFAULT: 20]
// -------------------------------------
// Pref : Limit events that can cause a popup
lockPref("dom.popup_allowed_events", "click dblclick"); // [DEFAULT: "change click dblclick auxclick mouseup pointerup notificationclick reset submit touchend"]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Cache / Session (Re)Store / Favicons
// >>>>>>>>>>>>>>>>>>>>
// [INTRO] ETAG and other cache tracking/fingerprinting techniques can be averted by disabling *BOTH* disk and memory cache. ETAGs can also be neutralized by modifying response headers. Another solution is to use a hardened configuration with Temporary Containers. Alternatively, you can *LIMIT* exposure by clearing cache on close. Or on a regular basis manually or with an extension.
// https://en.wikipedia.org/wiki/HTTP_ETag#Tracking_using_ETags
// https://robertheaton.com/2014/01/20/cookieless-user-tracking-for-douchebags/
// https://www.grepular.com/Preventing_Web_Tracking_via_the_Browser_Cache
// https://github.com/ghacksuserjs/ghacks-user.js/wiki/4.2.4-Header-Editor
// https://medium.com/@stoically/enhance-your-privacy-in-firefox-with-temporary-containers-33925cd6cd21
// -------------------------------------
// Pref : Disable disk cache
lockPref("browser.cache.disk.enable", false);
lockPref("browser.cache.disk.smart_size.enabled", false);
lockPref("browser.cache.disk.smart_size.first_run", false);
// -------------------------------------
// Pref : Disable memory cache
// Capacity: -1=determine dynamically (default), 0=none, n=memory capacity in kilobytes
// lockPref("browser.cache.memory.enable", false);
// lockPref("browser.cache.memory.capacity", 0); // [HIDDEN PREF ESR]
// -------------------------------------
// Pref : Disable permissions manager from writing to disk
// [NOTE] This means any permission changes are session only
// https://bugzilla.mozilla.org/967812
lockPref("permissions.memory_only", true); // [HIDDEN PREF]
// -------------------------------------
// Pref : Disable media cache from writing to disk in Private Browsing
// [NOTE] MSE (Media Source Extensions) are already stored in-memory in PB
lockPref("browser.privatebrowsing.forceMediaMemoryCache", true);
lockPref("media.memory_cache_max_size", 16384);
// -------------------------------------
// Pref : Disable fastback cache
// To improve performance when pressing back/forward Firefox stores visited pages so they don't have to be re-parsed. This is not the same as memory cache.
// 0=none, -1=auto (that's minus 1).
// [WARNING] Not recommended unless you know what you're doing
// lockPref("browser.sessionhistory.max_total_viewers", 0);
// -------------------------------------
// Pref : Exclude "Undo Closed Tabs" in Session Restore
lockPref("browser.sessionstore.max_tabs_undo", 0);
// -------------------------------------
// Pref : Disable storing extra session data
// Extra session data contains contents of forms, scrollbar positions, cookies and POST data
// Define on which sites to save extra session data:
// 0=everywhere, 1=unencrypted sites, 2=nowhere
lockPref("browser.sessionstore.privacy_level", 2);
// -------------------------------------
// Pref : Set the minimum interval between session save operations
// Increasing this can help on older machines and some websites, as well as reducing writes. Default is 15000 (15 secs). Try 30000 (30 secs), 60000 (1 min) etc.
// This can also affect entries in the "Recently Closed Tabs" feature: i.e. the longer the interval the more chance a quick tab open/close won't be captured.
// This longer interval *may* affect history but we cannot replicate any history not recorded
// https://bugzilla.mozilla.org/1304389
// lockPref("browser.sessionstore.interval", 30000);
// -------------------------------------
// Pref : Disable favicons in web notifications
lockPref("alerts.showFavicons", false);
// -------------------------------------
// Pref : Delete Search and Form History
lockPref("browser.formfill.expire_days", 0);
// -------------------------------------
// Pref : Disable favicons in shortcuts
// URL shortcuts use a cached randomly named .ico file which is stored in your profile/shortcutCache directory. The .ico remains after the shortcut is deleted.
// false=shortcuts use a generic Firefox icon
lockPref("browser.shell.shortcutFavicons", false); // [DESKTOP]
// -------------------------------------
// Pref : Display "insecure" icon and "Not Secure" text on HTTP sites
lockPref("security.insecure_connection_icon.enabled", true); // [DESKTOP] [DEFAULT: true]
lockPref("security.insecure_connection_text.enabled", true); // [DESKTOP]
lockPref("security.insecure_connection_icon.pbmode.enabled", true); // [DESKTOP]
lockPref("security.insecure_connection_text.pbmode.enabled", true); // [DESKTOP]
// -------------------------------------
// Pref : Enable insecure password warnings (login forms in non-HTTPS pages)
// https://blog.mozilla.org/tanvi/2016/01/28/no-more-passwords-over-http-please/
// https://bugzilla.mozilla.org/show_bug.cgi?id=1319119
// https://bugzilla.mozilla.org/show_bug.cgi?id=1217156
lockPref("security.insecure_password.ui.enabled", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable automatic Firefox start and session restore after reboot
// https://bugzilla.mozilla.org/603903
lockPref("toolkit.winRegisterApplicationRestart", false); // [WINDOWS] // [DESKTOP]
// -------------------------------------
// Pref : Disable "Restore Session", even after a crash
lockPref("browser.sessionstore.resume_from_crash", false);
lockPref("browser.sessionstore.resume_session_once", false); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Geolocation / Language / Locale
// >>>>>>>>>>>>>>>>>>>>
// Pref : Disable geolocation
lockPref("geo.enabled", false);
// -------------------------------------
// Pref : Disable geographically specific results/search engines e.g. "browser.search.*.US", i.e. ignore all of Mozilla's various search engines in multiple locales
lockPref("browser.search.geoSpecificDefaults.url", "");
lockPref("browser.snippets.geoUrl", "");
// -------------------------------------
// Pref : Set preferred language for displaying web pages
defaultPref("intl.accept_languages", "en-US, en");
// -------------------------------------
// Pref : Enforce US English locale regardless of the system locale
// [NOTE] May break some input methods e.g xim/ibus for CJK languages
// https://bugzilla.mozilla.org/867501
// https://bugzilla.mozilla.org/1629630
lockPref("javascript.use_us_english_locale", true); // [HIDDEN PREF]
// -------------------------------------
// Pref : Disable using the OS's geolocation service
lockPref("geo.provider.ms-windows-location", false); // [WINDOWS] // [DESKTOP]
lockPref("geo.provider.use_corelocation", false); // [MAC] // [DESKTOP]
lockPref("geo.provider.use_gpsd", false); // [LINUX] // [DESKTOP]
lockPref("geo.provider.network.url", "");
lockPref("geo.provider-country.network.scan", false);
lockPref("geo.provider-country.network.url", "");
// -------------------------------------
// Pref : Disable logging geolocation to the console
lockPref("geo.provider.network.logging.enabled", false); // [HIDDEN PREF] // [DESKTOP]
// -------------------------------------
// Pref : Enforce fallback text encoding to match en-US
// When the content or server doesn't declare a charset the browser will fallback to the "Current locale" based on your application language
// [TEST] https://hsivonen.com/test/moz/check-charset.htm
// https://trac.torproject.org/projects/tor/ticket/20025
lockPref("intl.charset.fallback.override", "windows-1252");
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Fonts
// >>>>>>>>>>>>>>>>>>>>>>
// Pref : Disable websites choosing fonts (0=block, 1=allow)
// This can limit most (but not all) JS font enumeration which is a high entropy fingerprinting vector.
// [NOTE] Disabling fonts can uglify the web a fair bit.
// https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
defaultPref("browser.display.use_document_fonts", 0);
// -------------------------------------
// Pref : Set more legible default fonts
lockPref("font.name.serif.x-unicode", "Georgia");
lockPref("font.name.serif.x-western", "Georgia"); // [DEFAULT: Times New Roman]
lockPref("font.name.sans-serif.x-unicode", "Arial");
lockPref("font.name.sans-serif.x-western", "Arial"); // [DEFAULT: Arial]
lockPref("font.name.monospace.x-unicode", "Lucida Console");
lockPref("font.name.monospace.x-western", "Lucida Console"); // [DEFAULT: Courier New]
// -------------------------------------
// Pref : Disable icon fonts (glyphs) and local fallback rendering
// [NOTE] You can do this with uBlock Origin
// https://bugzilla.mozilla.org/789788
// https://trac.torproject.org/projects/tor/ticket/8455
// https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-remote-fonts
// defaultPref("gfx.downloadable_fonts.enabled", false);
// defaultPref("gfx.downloadable_fonts.fallback_delay", -1);
// -------------------------------------
// Pref : Disable CSS Font Loading API
// [NOTE] Disabling fonts can uglify the web a fair bit.
defaultPref("layout.css.font-loading-api.enabled", false);
// -------------------------------------
// Pref : Disable special underline handling for a few fonts which you will probably never use
// https://github.com/ghacksuserjs/ghacks-user.js/issues/744
// lockPref("font.blacklist.underline_offset", "");
// -------------------------------------
// Pref : Disable graphite
// [NOTE] Graphite has had many critical security issues in the past
// https://www.mozilla.org/security/advisories/mfsa2017-15/#CVE-2017-7778
// https://en.wikipedia.org/wiki/Graphite_(SIL)
lockPref("gfx.font_rendering.graphite.enabled", false);
// -------------------------------------
// Pref : Limit system font exposure to a whitelist [RESTART]
// If the whitelist is empty, then whitelisting is considered disabled and all fonts are allowed.
// [WARNING] Creating your own probably highly-unique whitelist will raise your entropy. Eventually privacy.resistFingerprinting will cover this.
// https://bugzilla.mozilla.org/1121643
// lockPref("font.system.whitelist", "");
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Plugins
// >>>>>>>>>>>>>>>>>>>>
// Pref : Disable plugins
lockPref("plugin.disable", true); // [DEFAULT: true] // [FENNEC]
lockPref("dom.ipc.plugins.enabled", false); // [DEFAULT: false] // [FENNEC]
lockPref("plugins.crash.supportUrl", ""); // [DESKTOP]
// -------------------------------------
// Pref : Set default plugin state (i.e. new plugins on discovery) to never activate
// 0=disabled, 1=ask to activate, 2=active - you can override individual plugins
lockPref("plugin.default.state", 0);
// -------------------------------------
// Pref : Disable scanning for plugins
lockPref("plugin.scan.plid.all", false); // [WINDOWS] // [DESKTOP]
// -------------------------------------
// Pref : Disable all GMP (Gecko Media Plugins)
lockPref("media.gmp-provider.enabled", false);
lockPref("media.gmp-manager.certs.1.issuerName", "");
lockPref("media.gmp-manager.certs.1.commonName", "");
lockPref("media.gmp-manager.certs.2.issuerName", "");
lockPref("media.gmp-manager.certs.2.commonName", "");
lockPref("media.gmp-manager.url", "");
lockPref("media.gmp-manager.url.override", "");
lockPref("media.gmp-manager.updateEnabled", false); // [DESKTOP]
lockPref("media.gmp.trial-create.enabled", false); // [WINDOWS] // [DESKTOP]
// -------------------------------------
// Pref : Disable all DRM content (EME: Encryption Media Extension)
// [NOTE] if you need CDM, e.g. Netflix, Amazon Prime, Hulu, whatever
// https://www.eff.org/deeplinks/2017/10/drms-dead-canary-how-we-just-lost-web-what-we-learned-it-and-what-we-need-do-next
defaultPref("media.eme.enabled", false);
// -------------------------------------
// Pref : Disable the OpenH264 Video Codec by Cisco to "Never Activate".
// This is the bundled codec used for video chat in WebRTC.
lockPref("media.gmp-gmpopenh264.enabled", false);
lockPref("media.gmp-gmpopenh264.autoupdate", false); // [DESKTOP]
lockPref("media.gmp-gmpopenh264.visible", false);
// -------------------------------------
// Pref : Disable widevine CDM (Content Decryption Module)
// [NOTE] if you need CDM, e.g. Netflix, Amazon Prime, Hulu, whatever
lockPref("media.gmp-widevinecdm.enabled", false); // [DESKTOP]
lockPref("media.gmp-widevinecdm.visible", false); // [DESKTOP]
lockPref("media.mediadrm-widevinecdm.visible", false); // [DEFAULT: true] // [FENNEC]
lockPref("media.gmp-widevinecdm.autoupdate", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Flash plugin
// 0=deactivated, 1=ask, 2=enabled
// [NOTE] You can still override individual sites via site permissions
// https://www.ghacks.net/2013/07/09/how-to-make-sure-that-a-firefox-plugin-never-activates-again/
lockPref("plugin.state.flash", 0); // [DESKTOP]
// -------------------------------------
// Pref : Disable Gnome Shell Integration NPAPI plugin
lockPref("plugin.state.libgnome-shell-browser-plugin",0); // [DESKTOP]
// -------------------------------------
// Pref : Enable Auto Notification of Outdated Plugins
// https://wiki.mozilla.org/Firefox3.6/Plugin_Update_Awareness_Security_Review
// https://hg.mozilla.org/mozilla-central/rev/304560
lockPref("plugins.update.notifyUser", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable Shumway (Mozilla Flash renderer)
// https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Shumway
lockPref("shumway.disabled", true); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Blocklists / Safe Browsing / Tracking Protection
// >>>>>>>>>>>>>>>>>>>>
// Pref : Disable add-on and certificate blocklists (OneCRL) from Mozilla
// https://wiki.mozilla.org/Security/Tracking_protection
// https://wiki.mozilla.org/Services/TrackingProtection/Shavar_Server_-_Testing
// https://wiki.mozilla.org/Security/Safe_Browsing
// https://wiki.mozilla.org/Blocklisting
// https://blocked.cdn.mozilla.net/
// https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl/
lockPref("services.blocklist.update_enabled", false); // [DESKTOP]
lockPref("services.blocklist.plugins.signer", "");
lockPref("services.blocklist.plugins.collection", "");
lockPref("services.blocklist.pinning.signer", "");
lockPref("services.blocklist.pinning.enabled", false);
lockPref("services.blocklist.pinning.collection", "");
lockPref("services.blocklist.pinning.bucket", ""); // [DESKTOP]
lockPref("services.blocklist.onecrl.signer", "");
lockPref("services.blocklist.onecrl.collection", "");
lockPref("services.blocklist.gfx.signer", "");
lockPref("services.blocklist.gfx.collection", "");
lockPref("services.blocklist.bucket", "");
lockPref("services.blocklist.addons.signer", ""); // [DESKTOP]
lockPref("services.blocklist.addons.collection", "");
lockPref("extensions.blocklist.lastModified", ""); // [DESKTOP]
lockPref("extensions.blocklist.itemURL", "");
lockPref("extensions.blocklist.enabled", false);
lockPref("extensions.blocklist.detailsURL", "");
lockPref("services.settings.security.onecrl.bucket", "");
lockPref("services.settings.security.onecrl.collection", "");
lockPref("services.settings.security.onecrl.signer", "");
lockPref("urlclassifier.blockedTable", "");
lockPref("urlclassifier.disallow_completions", "");
lockPref("urlclassifier.downloadAllowTable", "");
lockPref("urlclassifier.downloadBlockTable", "");
lockPref("urlclassifier.flashAllowExceptTable", "");
lockPref("urlclassifier.flashAllowTable", "");
lockPref("urlclassifier.flashExceptTable", "");
lockPref("urlclassifier.flashSubDocExceptTable", "");
lockPref("urlclassifier.flashSubDocTable", "");
lockPref("urlclassifier.flashTable", "");
lockPref("urlclassifier.malwareTable", "");
lockPref("urlclassifier.passwordAllowTable", "");
lockPref("urlclassifier.phishTable", "");
lockPref("urlclassifier.trackingAnnotationSkipURLs", ""); // [DESKTOP]
lockPref("urlclassifier.trackingAnnotationTable", ""); // [DESKTOP]
lockPref("urlclassifier.trackingAnnotationWhitelistTable", "");
lockPref("urlclassifier.trackingTable", "");
lockPref("urlclassifier.trackingWhitelistTable", "");
// -------------------------------------
// Pref : Opt-out of add-on metadata updates
// https://blog.mozilla.org/addons/how-to-opt-out-of-add-on-metadata-updates/
lockPref("extensions.getAddons.cache.enabled", false);
// -------------------------------------
// Pref : Disable Google Safe Browsing (Block dangerous and deceptive contents)
lockPref("browser.safebrowsing.enabled", false); // [DESKTOP]
lockPref("browser.safebrowsing.blockedURIs.enabled", false);
lockPref("browser.safebrowsing.debug", false);
lockPref("browser.safebrowsing.downloads.enabled", false); // [DEFAULT: false]
lockPref("browser.safebrowsing.downloads.remote.block_dangerous", false);
lockPref("browser.safebrowsing.downloads.remote.block_dangerous_host", false);
lockPref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false);
lockPref("browser.safebrowsing.downloads.remote.block_uncommon", false);
lockPref("browser.safebrowsing.downloads.remote.enabled", false);
lockPref("browser.safebrowsing.downloads.remote.url", "");
lockPref("browser.safebrowsing.id", "");
lockPref("browser.safebrowsing.malware.enabled", false);
lockPref("browser.safebrowsing.passwords.enabled", false);
lockPref("browser.safebrowsing.phishing.enabled", false);
lockPref("browser.safebrowsing.provider.google.advisoryURL", "");
lockPref("browser.safebrowsing.provider.google.pver", "");
lockPref("browser.safebrowsing.provider.google.advisoryName", "");
lockPref("browser.safebrowsing.provider.google.gethashURL", "");
lockPref("browser.safebrowsing.provider.google.lastupdatetime", ""); // [DESKTOP]
lockPref("browser.safebrowsing.provider.google.lists", "");
lockPref("browser.safebrowsing.provider.google.nextupdatetime", ""); // [DESKTOP]
lockPref("browser.safebrowsing.provider.google.reportMalwareMistakeURL", "");
lockPref("browser.safebrowsing.provider.google.reportPhishMistakeURL", "");
lockPref("browser.safebrowsing.provider.google.reportURL", "");
lockPref("browser.safebrowsing.provider.google.updateURL", "");
lockPref("browser.safebrowsing.provider.google4.advisoryName", "");
lockPref("browser.safebrowsing.provider.google4.advisoryURL", "");
lockPref("browser.safebrowsing.provider.google4.gethashURL", "");
lockPref("browser.safebrowsing.provider.google4.lastupdatetime", ""); // [DESKTOP]
lockPref("browser.safebrowsing.provider.google4.lists", "");
lockPref("browser.safebrowsing.provider.google4.nextupdatetime", ""); // [DESKTOP]
lockPref("browser.safebrowsing.provider.google4.reportMalwareMistakeURL", "");
lockPref("browser.safebrowsing.provider.google4.reportPhishMistakeURL", "");
lockPref("browser.safebrowsing.provider.google4.reportURL", "");
lockPref("browser.safebrowsing.provider.google4.updateURL", "");
lockPref("browser.safebrowsing.provider.google4.dataSharing.enabled", false);
lockPref("browser.safebrowsing.provider.google4.dataSharingURL", "");
lockPref("browser.safebrowsing.provider.google4.pver", "");
lockPref("browser.safebrowsing.provider.mozilla.gethashURL", "");
lockPref("browser.safebrowsing.provider.mozilla.lastupdatetime", ""); // [DESKTOP]
lockPref("browser.safebrowsing.provider.mozilla.lists", "");
lockPref("browser.safebrowsing.provider.mozilla.lists.base", "");
lockPref("browser.safebrowsing.provider.mozilla.lists.content", "");
lockPref("browser.safebrowsing.provider.mozilla.nextupdatetime", "");
lockPref("browser.safebrowsing.provider.mozilla.pver", "");
lockPref("browser.safebrowsing.provider.mozilla.updateURL", "");
lockPref("browser.safebrowsing.reportPhishURL", "");
// -------------------------------------
// Pref : Disable passive Tracking Protection
// Passive TP annotates channels to lower the priority of network loads for resources on the tracking protection list.
// [NOTE] It has no effect if TP is enabled, but keep in mind that by default TP is only enabled in Private Windows
// This is included for people who want to completely disable Tracking Protection.
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1170190,1141814 
lockPref("privacy.trackingprotection.annotate_channels", false);
lockPref("privacy.trackingprotection.lower_network_priority", false);
// -------------------------------------
// Pref : Disable passive Tracking Protection in all windows
lockPref("privacy.trackingprotection.enabled", false);
lockPref("privacy.trackingprotection.pbmode.enabled", false);
// -------------------------------------
// Pref : Disable cryptomining trackingprotection
// [NOTE] uBlock is far superior and you can customize the lists as you wish
// https://m.wiki.mozilla.org/Security/Tracking_protection#Lists
// https://github.com/AdroitAdorKhan/EnergizedProtection
// https://github.com/theel0ja/firefox-recommendations/blob/master/README.md
// https://github.com/hoshsadiq/adblock-nocoin-list
lockPref("browser.contentblocking.cryptomining.preferences.ui.enabled", false); // [DESKTOP]
lockPref("privacy.trackingprotection.cryptomining.enabled", false);
lockPref("urlclassifier.features.cryptomining.blacklistTables", "");
lockPref("urlclassifier.features.cryptomining.whitelistTables", "");
lockPref("urlclassifier.features.cryptomining.annotate.whitelistTables", "");
lockPref("urlclassifier.features.cryptomining.annotate.blacklistTables", "");
// -------------------------------------
// Pref : Disable fingerprinting trackingprotection
// [NOTE] uBlock is far superior and you can customize the lists as you wish
// https://m.wiki.mozilla.org/Security/Tracking_protection#Lists
// https://github.com/AdroitAdorKhan/EnergizedProtection
// https://github.com/theel0ja/firefox-recommendations/blob/master/README.md
lockPref("browser.contentblocking.fingerprinting.preferences.ui.enabled", false); // [DESKTOP]
lockPref("privacy.trackingprotection.fingerprinting.enabled", false);
lockPref("urlclassifier.features.fingerprinting.blacklistTables", "");
lockPref("urlclassifier.features.fingerprinting.whitelistTables", "");
lockPref("urlclassifier.features.fingerprinting.annotate.whitelistTables", "");
lockPref("urlclassifier.features.fingerprinting.annotate.blacklistTables", "");
// -------------------------------------
// Pref : Disable social trackingprotection
// [NOTE] uBlock is far superior and you can customize the lists as you wish
// https://m.wiki.mozilla.org/Security/Tracking_protection#Lists
// https://github.com/AdroitAdorKhan/EnergizedProtection
// https://github.com/theel0ja/firefox-recommendations/blob/master/README.md
lockPref("privacy.trackingprotection.socialtracking.enabled", false);
lockPref("urlclassifier.features.socialtracking.blacklistTables", "");
lockPref("urlclassifier.features.socialtracking.whitelistTables", "");
lockPref("urlclassifier.features.socialtracking.annotate.whitelistTables", "");
lockPref("urlclassifier.features.socialtracking.annotate.blacklistTables", "");
lockPref("privacy.socialtracking.block_cookies.enabled", false); // [DESKTOP]
lockPref("privacy.socialtracking.notification.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable PingCentre telemetry (used in several System Add-ons)
// Currently blocked by 'datareporting.healthreport.uploadEnabled'
lockPref("browser.ping-centre.telemetry", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable all the trackingprotection blocked elements by default
lockPref("browser.contentblocking.features.strict", ""); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : System add-ons / Experiments
// >>>>>>>>>>>>>>>>>>>>
// Pref : Sanitize System Add-on updates URL
// https://firefox-source-docs.mozilla.org/toolkit/mozapps/extensions/addon-manager/SystemAddons.html
// https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/
// https://github.com/pyllyukko/user.js/issues/419
// https://dxr.mozilla.org/mozilla-central/source/toolkit/mozapps/extensions/AddonManager.jsm#1248-1257
// [NOTE] Disabling system add-on updates prevents Mozilla from "hotfixing" your browser to patch critical problems (one possible use case from the documentation)
// lockPref("extensions.systemAddon.update.enabled", false);
lockPref("extensions.systemAddon.update.url", "https://aus5.mozilla.org/update/3/SystemAddons/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/en-US/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml"); // [URL SANITIZED]
// -------------------------------------
// Pref : Disable Normandy/Shield
// Shield is an telemetry system (including Heartbeat) that can also push and test "recipes"
// https://wiki.mozilla.org/Firefox/Shield
// https://github.com/mozilla/normandy
lockPref("app.normandy.enabled", false); // [DESKTOP]
lockPref("app.normandy.api_url", ""); // [DESKTOP]
lockPref("app.normandy.first_run", false); // [DESKTOP]
lockPref("app.normandy.shieldLearnMoreUrl", ""); // [DESKTOP]
lockPref("app.normandy.user_id", ""); // [DESKTOP]
lockPref("features.normandy-remote-settings.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable Form Autofill
// [NOTE] Stored data is NOT secure (uses a JSON file)
// [NOTE] Heuristics controls Form Autofill on forms without @autocomplete attributes
// https://wiki.mozilla.org/Firefox/Features/Form_Autofill
// https://www.ghacks.net/2017/05/24/firefoxs-new-form-autofill-is-awesome/
lockPref("extensions.formautofill.addresses.enabled", false); // [DESKTOP]
lockPref("extensions.formautofill.available", "off"); // [DESKTOP]
lockPref("extensions.formautofill.creditCards.enabled", false); // [DESKTOP]
lockPref("extensions.formautofill.heuristics.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable ExperimentManager and relative API
// https://bugzilla.mozilla.org/show_bug.cgi?id=1620021
lockPref("messaging-system.rsexperimentloader.enabled", false); // [DESKTOP]
lockPref("messaging-system.log", ""); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Persistent Storage
// >>>>>>>>>>>>>>>>>>>>
// Pref : Delete cookies and site data on close
// 0=keep until they expire (default),1=Prompt for each cookie, 2=keep until you close Firefox, 3=Accept for N days
// https://addons.mozilla.org/en-US/firefox/addon/cookie-autodelete/
lockPref("network.cookie.lifetimePolicy", 2);
// -------------------------------------
// Pref : Sets the number of days that the lifetime of cookies should be limited to
// [NOTE] Only use if network.cookie.lifetimePolicy is set to 3
// defaultPref("network.cookie.lifetime.days", 1); // [DEFAULT: 90]
// -------------------------------------
// Pref : Disable 3rd-party cookies and site-data
// 0=(Allow) cookies and site data, 1=(Block) All third-party cookies, 2=(Block) All cookies, 3=(Block) Cookies from unvisited websites, 4=(Block) Cross-site and social media trackers
// [NOTE] Can breaks payment gateways
defaultPref("network.cookie.cookieBehavior", 1);
// -------------------------------------
// Pref : Disable compatibility heuristics to 3rd-party cookie blocking
// https://bugzilla.mozilla.org/show_bug.cgi?id=1625568
lockPref("network.cookie.rejectForeignWithExceptions.enabled", false);
// -------------------------------------
// Pref : Set third-party cookies (i.e ALL) (if enabled) to session-only and set third-party non-secure (i.e HTTP) cookies to session-only
// [NOTE] .sessionOnly overrides .nonsecureSessionOnly except when .sessionOnly=false and .nonsecureSessionOnly=true. This allows you to keep HTTPS cookies, but session-only HTTP ones
// https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/
lockPref("network.cookie.thirdparty.sessionOnly", true);
lockPref("network.cookie.thirdparty.nonsecureSessionOnly", true);
// -------------------------------------
// Pref : Disable HTTP sites setting cookies with the "secure" directive
// https://developer.mozilla.org/Firefox/Releases/52#HTTP
lockPref("network.cookie.leave-secure-alone", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Enable support for same-site cookies
// https://bugzilla.mozilla.org/795346
// https://blog.mozilla.org/security/2018/04/24/same-site-cookies-in-firefox-60/
// https://www.sjoerdlangkemper.nl/2016/04/14/preventing-csrf-with-samesite-cookie-attribute/
lockPref("network.cookie.same-site.enabled", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable DOM (Document Object Model) Storage
// [WARNING] This will break a LOT of sites' functionality AND extensions!
// You are better off using an extension for more granular control
// lockPref("dom.storage.enabled", false);
// -------------------------------------
// Pref : Do not download URLs for the offline cache
lockPref("browser.cache.offline.storage.enable", false);
lockPref("browser.cache.offline.enable", false);
lockPref("browser.cache.offline.capacity", 0);
// -------------------------------------
// Pref : Disable service workers cache and cache storage
// [NOTE] Service worker cache are cleared on exit
// https://w3c.github.io/ServiceWorker/#privacy
// lockPref("dom.caches.enabled", false);
// -------------------------------------
// Pref : Disable Storage API
// The API gives sites the ability to find out how much space they can use, how much they are already using, and even control whether or not they need to be alerted before the user agent disposes of site data in order to make room for other things.
// https://developer.mozilla.org/docs/Web/API/StorageManager
// https://developer.mozilla.org/docs/Web/API/Storage_API
// https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/
lockPref("dom.storageManager.enabled", false);
// -------------------------------------
// Pref : Disable Storage Access API
// https://developer.mozilla.org/en-US/docs/Web/API/Storage_Access_API
lockPref("dom.storage_access.enabled", false);
// -------------------------------------
// Pref : Disable download history
lockPref("browser.download.manager.retention", 0); // [DESKTOP]
// -------------------------------------
// Pref : Enable Firefox to clear items on shutdown
defaultPref("privacy.sanitize.sanitizeOnShutdown", true); // [DESKTOP]
// -------------------------------------
// Pref : Set what items to clear when Firefox closes
// https://support.mozilla.org/en-US/kb/Clear%20Recent%20History#w_how-do-i-make-firefox-clear-my-history-automatically
// [NOTE] Installing user.js will remove your browsing history, caches and local storage.
// [NOTE] Installing user.js **will remove your saved passwords** (https://github.com/pyllyukko/user.js/issues/27)
// [NOTE] Clearing open windows on Firefox exit causes 2 windows to open when Firefox starts https://bugzilla.mozilla.org/show_bug.cgi?id=1334945
// [NOTE] If 'history' is true, downloads will also be cleared regardless of the value
defaultPref("privacy.clearOnShutdown.cache", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.cookies", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.downloads", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.formdata", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.history", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.offlineApps", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.sessions", true); // [DESKTOP]
defaultPref("privacy.clearOnShutdown.siteSettings", true); // [DESKTOP]
// lockPref("privacy.clearOnShutdown.openWindows", true); // [DESKTOP]
// -------------------------------------
// Pref : Reset default 'Time range to clear' for 'Clear Recent History'
// Firefox remembers your last choice. This will reset the value when you start Firefox.
// 0=everything, 1=last hour, 2=last two hours, 3=last four hours, 4=today, 5=last five minutes, 6=last twenty-four hours
// [NOTE] The values 5 + 6 are not listed in the dropdown, which will display a blank value if they are used, but they do work as advertised
defaultPref("privacy.sanitize.timeSpan", 0); // [DESKTOP]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Headers / Referers
// >>>>>>>>>>>>>>>>>>>>
// Pref : Control when images/links send a referer
// 0=never, 1=send only when links are clicked, 2=for links and images (default)
lockPref("network.http.sendRefererHeader", 2);
// -------------------------------------
// Pref : Control the amount of information to send
// 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port 
lockPref("network.http.referer.trimmingPolicy", 2);
// -------------------------------------
// Pref : Control when to send a referer
// 0=always (default), 1=only if base domains match, 2=only if hosts match
lockPref("network.http.referer.XOriginPolicy", 2);
// -------------------------------------
// Pref : Control the amount of information to send
// 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port
lockPref("network.http.referer.XOriginTrimmingPolicy", 2);
// -------------------------------------
// Pref : Send a referer header with the target URI as the source
// https://bugzilla.mozilla.org/show_bug.cgi?id=822869
// https://github.com/pyllyukko/user.js/issues/227
// https://github.com/pyllyukko/user.js/issues/94
// [NOTE] Spoofing referers breaks functionality on websites relying on authentic referer headers
// [NOTE] Spoofing referers breaks visualisation of 3rd-party sites on the Lightbeam addon
// [NOTE] Spoofing referers disable CSRF protection on some login pages not implementing origin-header/cookie+token based CSRF protection
lockPref("network.http.referer.spoofSource", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Set the default Referrer Policy
// 0=no-referer, 1=same-origin, 2=strict-origin-when-cross-origin, 3=no-referrer-when-downgrade
// [NOTE] This is only a default, it can be overridden by a site-controlled Referrer Policy
// https://www.w3.org/TR/referrer-policy/
// https://developer.mozilla.org/docs/Web/HTTP/Headers/Referrer-Policy
// https://blog.mozilla.org/security/2018/01/31/preventing-data-leaks-by-stripping-path-information-in-http-referrers/
defaultPref("network.http.referer.defaultPolicy", 3); // [DEFAULT: 3]
defaultPref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2]
defaultPref("network.http.referer.defaultPolicy.trackers", 3); // [DEFAULT: 3]
defaultPref("network.http.referer.defaultPolicy.trackers.pbmode", 2); // [DEFAULT: 2]
// -------------------------------------
// Pref : Hide (not spoof) referrer when leaving a .onion domain
// [NOTE] Firefox cannot access .onion sites by default. We recommend you use the Tor Browser which is specifically designed for hidden services
// https://bugzilla.mozilla.org/1305144
lockPref("network.http.referer.hideOnionSource", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Reject .onion hostnames before passing the to DNS
// https://bugzilla.mozilla.org/show_bug.cgi?id=1228457
lockPref("network.dns.blockDotOnion", true); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable the DNT (Do Not Track) HTTP header
lockPref("privacy.donottrackheader.enabled", false); // [DEFAULT: true]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : FPI (First Party Isolation)
// >>>>>>>>>>>>>>>>>>>>
// Pref : Enable FPI (First Party Isolation)
// [NOTE] May break cross-domain logins and site functionality until perfected
// https://bugzilla.mozilla.org/1260931 
lockPref("privacy.firstparty.isolate", true);
// -------------------------------------
// Pref : Enforce FPI restriction for window.opener [FF54+]
// [NOTE] Setting this to false may reduce the breakage in the previous pref
// FF65+ blocks postMessage with targetOrigin "*" if originAttributes don't match. But to reduce breakage it ignores the 1st-party domain (FPD) originAttribute.
// The 2nd pref removes that limitation and will only allow communication if FPDs also match.
// https://bugzilla.mozilla.org/1319773#c22
// https://bugzilla.mozilla.org/1492607
// https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage
lockPref("privacy.firstparty.isolate.restrict_opener_access", true);
lockPref("privacy.firstparty.isolate.block_post_message", true); // [HIDDEN PREF ESR]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : RFP (Resist Fingerprinting) / RFP Alternatives / APIs
// >>>>>>>>>>>>>>>>>>>>
// Pref : Enable hardening against various fingerprinting vectors (Tor Uplift project)
// https://wiki.mozilla.org/Security/Tor_Uplift/Tracking
// https://bugzilla.mozilla.org/show_bug.cgi?id=1333933
lockPref("privacy.resistFingerprinting", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable mozAddonManager Web API
// [NOTE] As a side-effect allowed extensions to work on AMO. You also need to sanitize or clear extensions.webextensions.restrictedDomains to keep that side-effect
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988
lockPref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF] // [DESKTOP]
// -------------------------------------
// Pref : Enable RFP letterboxing
// Dynamically resizes the inner window by applying letterboxing, using dimensions which waste the least content area, If you use the dimension pref, then it will only apply those resolutions. The format is "width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000, 1600x900")
// [WARNING] The dimension pref is only meant for testing, and we recommend you DO NOT USE it
// https://bugzilla.mozilla.org/1407366
// lockPref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] // [DESKTOP]
// lockPref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF] // [DESKTOP]
// -------------------------------------
// Pref : Disable WebRTC, getUserMedia, screen sharing, audio capture, video capture
// https://wiki.mozilla.org/Media/getUserMedia
// https://blog.mozilla.org/futurereleases/2013/01/12/capture-local-camera-and-microphone-streams-with-getusermedia-now-enabled-in-firefox/
// https://developer.mozilla.org/en-US/docs/Web/API/Navigator
lockPref("media.navigator.enabled", false);
lockPref("media.navigator.video.enabled", false);
// -------------------------------------
// Pref : Spoof CPU Core
// [NOTE] *may* affect core performance, will affect content.
// Default settings seems to be the best
// https://bugzilla.mozilla.org/1008453
// https://trac.torproject.org/projects/tor/ticket/21675
// https://trac.torproject.org/projects/tor/ticket/22127
// https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency
// lockPref("dom.maxHardwareConcurrency", 2);
// -------------------------------------
// Pref : Disable resource timing API
// https://www.w3.org/TR/resource-timing/#privacy-security
lockPref("dom.enable_resource_timing", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable DOM timing API
// https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI
// https://www.w3.org/TR/navigation-timing/#privacy
lockPref("dom.enable_performance", false); // [DEFAULT: true]
lockPref("dom.enable_performance_navigation_timing", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable sensor API
// https://trac.torproject.org/projects/tor/ticket/15758
// https://blog.lukaszolejnik.com/stealing-sensitive-browser-data-with-the-w3c-ambient-light-sensor-api/
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1357733,1292751
lockPref("device.sensors.enabled", false); // [DEFAULT: true]
lockPref("device.sensors.ambientLight.enabled", false); // [DEFAULT: false]
lockPref("device.sensors.motion.enabled", false); // [DEFAULT: true]
lockPref("device.sensors.orientation.enabled", false); // [DEFAULT: true]
lockPref("device.sensors.proximity.enabled", false); // [DEFAULT: false]
lockPref("device.sensors.test.events", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable gamepad API - USB device ID enumeration
// Optional protection depending on your connected devices
// https://trac.torproject.org/projects/tor/ticket/13023
lockPref("dom.gamepad.enabled", false); // [DEFAULT: true]
lockPref("dom.gamepad.extensions.enabled", false); // [DEFAULT: true]
lockPref("dom.gamepad.haptic_feedback.enabled", false); // [DEFAULT: false]
lockPref("dom.gamepad.test.enabled", false); // [DEFAULT: true]
lockPref("dom.gamepad.extensions.lightindicator", false); // [DEFAULT: false]
lockPref("dom.gamepad.extensions.multitouch", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable giving away network info
// e.g. bluetooth, cellular, ethernet, wifi, wimax, other, mixed, unknown, none
// https://developer.mozilla.org/docs/Web/API/Network_Information_API
// https://wicg.github.io/netinfo/
// https://bugzilla.mozilla.org/960426
lockPref("dom.netinfo.enabled", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable the SpeechSynthesis (Text-to-Speech) part of the Web Speech API
// https://developer.mozilla.org/docs/Web/API/Web_Speech_API
// https://developer.mozilla.org/docs/Web/API/SpeechSynthesis
// https://wiki.mozilla.org/HTML5_Speech_API
lockPref("media.webspeech.synth.enabled", false); // [DEFAULT: true]
lockPref("media.webspeech.synth_force_global_queue", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable video statistics - JS performance fingerprinting
// https://trac.torproject.org/projects/tor/ticket/15757
// https://bugzilla.mozilla.org/654550
lockPref("media.video_stats.enabled", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Force touch events enabled by default
// Fingerprinting attack vector - leaks screen res & actual screen coordinates.
// 0=disabled, 1=enabled, 2=autodetect
// This pref is set to 2 by default, which results in the Touch API being exposed only when touch hardware is present. So we should either set it to "1" (enable) or "0" (disable) to ensure that JS code can't fingerprint the user's hardware.
// https://developer.mozilla.org/docs/Web/API/Touch_events
// https://trac.torproject.org/projects/tor/ticket/10286
defaultPref("dom.w3c_touch_events.enabled", 0); // [DEFAULT: 2] // [FENNEC - BUG] ff disabled, disallow copy/paste any text
// -------------------------------------
// Pref : Disable MediaDevices change detection
// https://developer.mozilla.org/docs/Web/Events/devicechange
// https://developer.mozilla.org/docs/Web/API/MediaDevices/ondevicechange
lockPref("media.ondevicechange.enabled", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable WebGL debug info being available to websites
// https://bugzilla.mozilla.org/1171228
// https://developer.mozilla.org/docs/Web/API/WEBGL_debug_renderer_info
lockPref("webgl.enable-debug-renderer-info", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable PointerEvents
// https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
lockPref("dom.w3c_pointer_events.enabled", false); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable Battery Status API
// Initially a Linux issue (high precision readout) that was fixed.
// However, it is still another metric for fingerprinting, used to raise entropy.
// e.g. do you have a battery or not, current charging status, charge level, times remaining etc
// https://bugzilla.mozilla.org/1313580
lockPref("dom.battery.enabled", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable virtual reality devices APIs
// https://developer.mozilla.org/en-US/Firefox/Releases/36#Interfaces.2FAPIs.2FDOM
// https://developer.mozilla.org/en-US/docs/Web/API/WebVR_API
lockPref("dom.vr.enabled", false); // [DEFAULT: true]
lockPref("dom.vr.autoactivate.enabled", false);
lockPref("dom.vr.oculus.enabled", false);
lockPref("dom.vr.oculus.invisible.enabled", false);
lockPref("dom.vr.openvr.enabled", false);
lockPref("dom.vr.osvr.enabled", false);
lockPref("dom.vr.poseprediction.enabled", false);
lockPref("dom.vr.puppet.enabled", false);
lockPref("dom.vr.require-gesture", true);
lockPref("gfx.vr.osvr.clientKitLibPath", "");
lockPref("gfx.vr.osvr.clientLibPath", "");
lockPref("gfx.vr.osvr.commonLibPath", "");
lockPref("gfx.vr.osvr.utilLibPath", "");
lockPref("dom.vr.process.enabled", false);
lockPref("dom.vr.webxr.enabled", false);
lockPref("dom.vr.always_support_ar", false);
lockPref("dom.vr.always_support_vr", false);
// -------------------------------------
// Pref : Block by default permission for Virtual Reality
// 0=always ask (default), 1=allow, 2=block
lockPref("permissions.default.xr", 2); // [DESKTOP] 
// -------------------------------------
// Pref : Disable hardware acceleration to reduce graphics fingerprinting
// [WARNING] Affects text rendering (fonts will look different), impacts video performance, and parts of Quantum that utilize the GPU will also be affected as they are rolled out
// https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration 
defaultPref("gfx.direct2d.disabled", true); // [DESKTOP] // [WINDOWS]
defaultPref("layers.acceleration.disabled", true); // [DEFAULT: false]
defaultPref("layers.acceleration.force-enabled", false); // [FENNEC - BUG] Force close during startup
// -------------------------------------
// Pref : Disable Web Audio API
// https://bugzilla.mozilla.org/show_bug.cgi?id=1288359
lockPref("dom.webaudio.enabled", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable Media Capabilities API
// [SETUP-PERF] This *may* affect media performance if disabled, no one is sure
// https://github.com/WICG/media-capabilities
// https://wicg.github.io/media-capabilities/#security-privacy-considerations
// lockPref("media.media-capabilities.enabled", false); // [DEFAULT: true]
// -------------------------------------
// Pref : Disable showing about:blank as soon as possible during startup
// true=no longer masks the RFP chrome resizing activity
// https://bugzilla.mozilla.org/1448423
lockPref("browser.startup.blankWindow", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable network API
// https://developer.mozilla.org/en-US/docs/Web/API/Connection/onchange
// https://www.torproject.org/projects/torbrowser/design/#fingerprinting-defenses
lockPref("dom.network.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Enforce prefers-reduced-motion as no-preference
// 0=no-preference, 1=reduce
lockPref("ui.prefersReducedMotion", 0); // [HIDDEN PREF]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : UI (User Interface)
// >>>>>>>>>>>>>>>>>>>>>
// Pref : Disable third-party cookie UI
lockPref("browser.contentblocking.rejecttrackers.ui.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable tracking protection UI list editing under preferences
lockPref("browser.contentblocking.trackingprotection.ui.enabled", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable auto hide download button
defaultPref("browser.download.autohideButton", false); // [DESKTOP]
// -------------------------------------
// Pref : Disable browser animation
// https://bugzilla.mozilla.org/show_bug.cgi?id=1352069
defaultPref("toolkit.cosmeticAnimations.enabled", false);
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Personal
// >>>>>>>>>>>>>>>>>>>>
// Pref : Enable "Always enable zoom" feature by default
// When true, zooming will be enabled on all sites, even ones that declare user-scalable=no
defaultPref("browser.ui.zoom.force-user-scalable", true); // [DEFAULT: false]
// -------------------------------------
// Pref : Disable inline autocomplete in URL bar
// https://support.mozilla.org/en-US/kb/address-bar-autocomplete-firefox#w_url-autocomplete
defaultPref("browser.urlbar.autoFill", false); // [DESKTOP]
defaultPref("browser.urlbar.autoFill.typed", false); // [DESKTOP]
// -------------------------------------
// Pref : Set bookmarks backups
// To compensate for the case of bookmarks being lost due to a system crash.
lockPref("browser.bookmarks.max_backups", 0); // [DEFAULT: 5]
// -------------------------------------
// Pref : Set home provider syncing only on wifi
// 0=sync always, 1=sync only when on wifi
lockPref("home.sync.updateMode", 1); // [DEFAULT: 0] // [FENNEC]
// lockPref("home.sync.checkIntervalSecs", 3600); // [FENNEC]
// -------------------------------------
// Pref : Middle-click mouse enabling auto-scrolling
defaultPref("general.autoScroll", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable buttons
lockPref("pref.general.disable_button.default_browser", true); // [DESKTOP]
lockPref("pref.privacy.disable_button.view_passwords", true); // [DESKTOP]
// -------------------------------------
// Pref : Disable Reader mode
// defaultPref("reader.parse-on-load.enabled", false);
// -------------------------------------
// Pref : Disable dark theme on forms
defaultPref("widget.content.gtk-theme-override", "Adwaita"); // [DESKTOP]
// -------------------------------------
// Pref: Disable "Ctrl+Tab cycles through tabs in recently used order"
// https://bugzilla.mozilla.org/1473595
defaultPref("browser.ctrlTab.recentlyUsedOrder", false); // [DESKTOP]
// -------------------------------------
// Pref : Display long lines in view-source page
defaultPref("view_source.wrap_long_lines", true);
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Hotfix
// >>>>>>>>>>>>>>>>>>>>>
// Pref : Disable UNC
// [NOTE] Disabling UNC can cause extension storage to fail
// https://github.com/ghacksuserjs/ghacks-user.js/issues/923
lockPref("network.file.disable_unc_paths", false); // [HIDDEN PREF]
//
// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
// Section : Deprecated / Removed / Legacy / Renamed
// >>>>>>>>>>>>>>>>>>>>
// ESR68.x still uses all the following prefs
// -------------------------------------
// FF69+
// -------------------------------------
// Pref : Disable app from auto-update
// https://bugzilla.mozilla.org/show_bug.cgi?id=1515484
// https://hg.mozilla.org/mozilla-central/rev/62e0ef6e50dd
lockPref("app.update.silent", false);
// -------------------------------------
// Pref : Disable prerendering newtab
// https://bugzilla.mozilla.org/show_bug.cgi?id=1555448
// https://hg.mozilla.org/mozilla-central/rev/e2f99cd199eb
lockPref("browser.newtabpage.activity-stream.prerender", false);
// -------------------------------------
// Pref : Disable virtual reality devices APIs
// https://bugzilla.mozilla.org/show_bug.cgi?id=1558358
// https://hg.mozilla.org/mozilla-central/rev/d97d53e8c4f9
lockPref("dom.vr.external.enabled", false);
lockPref("dom.vr.service.enabled", false);
lockPref("dom.vr.test.enabled", false);
// -------------------------------------
// Pref : Disable Telemetry
// https://bugzilla.mozilla.org/show_bug.cgi?id=1548646
// https://hg.mozilla.org/mozilla-central/rev/4f4de4742c98
lockPref("security.identitypopup.recordEventElemetry", false);
// -------------------------------------
// Pref : Disable other sync settings (by prevention)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1560154
// https://hg.mozilla.org/mozilla-central/rev/68aacb4ba7f9
lockPref("services.sync.prefs.sync.browser.sessionstore.restore_on_demand", false);
// -------------------------------------
// Pref : Disable WOFF2 (Web Open Font Format)
// https://bugzilla.mozilla.org/1556991
// https://hg.mozilla.org/mozilla-central/rev/69d1b01b2847
lockPref("gfx.downloadable_fonts.woff2.enabled", false);
// -------------------------------------
// Pref : Enforce click-to-play for plugins
// https://bugzilla.mozilla.org/1519434
// https://hg.mozilla.org/mozilla-central/rev/38fc0d299eb0
lockPref("plugins.click_to_play", true);
// -------------------------------------
// Pref : Disable autoplay of HTML5 media
// https://bugzilla.mozilla.org/1562331
// https://hg.mozilla.org/mozilla-central/rev/3780202d7104
lockPref("media.autoplay.allow-muted", false);
// -------------------------------------
// FF70+
// -------------------------------------
// Pref : Disable disk cache for SSL pages
// lockPref("browser.cache.disk_cache_ssl", false);
// -------------------------------------
// Pref : Disable a part of breakage report UI
// https://bugzilla.mozilla.org/show_bug.cgi?id=1566985
// https://hg.mozilla.org/mozilla-central/rev/513e87bb151b
// https://hg.mozilla.org/mozilla-central/rev/708f0175c5e6
lockPref("browser.contentblocking.reportBreakage.enabled", false);
lockPref("browser.contentblocking.rejecttrackers.reportBreakage.enabled", false);
// -------------------------------------
// Pref : Disable tracking protection UI list editing under url bar popup
// https://bugzilla.mozilla.org/show_bug.cgi?id=1572139
lockPref("browser.contentblocking.trackingprotection.control-center.ui.enabled", false);
// -------------------------------------
// Pref : Disable parts of trackingprotection and related syncs
// https://bugzilla.mozilla.org/show_bug.cgi?id=1570971
// https://hg.mozilla.org/mozilla-central/rev/8247f9a13f56
// https://bugzilla.mozilla.org/show_bug.cgi?id=1564367
// https://hg.mozilla.org/mozilla-central/rev/a931afa2c4bd
// https://bugzilla.mozilla.org/show_bug.cgi?id=1560040
// https://hg.mozilla.org/mozilla-central/rev/11dc1c09bb58
lockPref("privacy.trackingprotection.cryptomining.annotate.enabled", false);
lockPref("privacy.trackingprotection.fingerprinting.annotate.enabled", false);
lockPref("privacy.trackingprotection.introURL", "");
lockPref("privacy.trackingprotection.socialtracking.annotate.enabled", false);
lockPref("services.sync.prefs.sync.browser.contentblocking.enabled", false);
lockPref("services.sync.prefs.sync.privacy.trackingprotection.cryptomining.annotate.enabled", false);
lockPref("services.sync.prefs.sync.privacy.trackingprotection.fingerprinting.annotate.enabled", false);
// -------------------------------------
// Pref : Disable about:logins (Firefox Lockwise)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1567548
// https://hg.mozilla.org/mozilla-central/rev/198896f94464
// https://bugzilla.mozilla.org/show_bug.cgi?id=1572569
// https://hg.mozilla.org/mozilla-central/rev/9a1a98370eca
lockPref("signon.management.page.faqURL", "");
lockPref("signon.management.page.feedbackURL", "");
// -------------------------------------
// Pref : Use APP locale over OS locale in regional preferences
// https://bugzilla.mozilla.org/buglist.cgi?bug_id=1379420,1364789
// lockPref("intl.regional_prefs.use_os_locales", false);
// -------------------------------------
// FF71+
// -------------------------------------
// Pref : Display a notification bar when websites offer data for offline use
// https://bugzilla.mozilla.org/show_bug.cgi?id=1574480
// https://hg.mozilla.org/mozilla-central/rev/9fedd8400ab2
lockPref("browser.offline-apps.notify", false);
lockPref("services.sync.prefs.sync.browser.offline-apps.notify", false);
// -------------------------------------
// Pref : Disable useragent updates and site specific overrides
// https://bugzilla.mozilla.org/show_bug.cgi?id=1513574
// https://hg.mozilla.org/mozilla-central/rev/59d191ed3f5b
lockPref("general.useragent.site_specific_overrides", false);
// -------------------------------------
// Pref : Enable / Disable Firefox internal page, and related warnings
// https://bugzilla.mozilla.org/show_bug.cgi?id=1589387
// https://hg.mozilla.org/integration/autoland/rev/2379847488eb
lockPref("network.warnOnAboutNetworking", false);
// -------------------------------------
// Pref : Enforce websites to ask to store data for offline use
// https://bugzilla.mozilla.org/show_bug.cgi?id=1574480
// https://hg.mozilla.org/mozilla-central/rev/9fedd8400ab2
lockPref("offline-apps.allow_by_default", false);
// -------------------------------------
// Pref : Disable other sync settings (by prevention)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1570567
// https://hg.mozilla.org/mozilla-central/rev/38ae84bb1ca3
lockPref("services.sync.fxa.privacyURL", "");
lockPref("services.sync.fxa.termsURL", "");
// -------------------------------------
// Pref : Disable offline cache on insecure sites
// https://bugzilla.mozilla.org/show_bug.cgi?id=1237782
// https://hg.mozilla.org/mozilla-central/rev/d52a0108ed8e
lockPref("browser.cache.offline.insecure.enable", false);
// -------------------------------------
// Pref : Disable WebIDE to prevent remote debugging
// https://bugzilla.mozilla.org/show_bug.cgi?id=1539462
// https://hg.mozilla.org/integration/autoland/rev/eaa523b98e72
lockPref("devtools.webide.enabled", false);
lockPref("devtools.webide.autoinstallADBExtension", false);
lockPref("devtools.webide.templatesURL", "");
lockPref("devtools.webide.adaptersAddonURL", "");
// -------------------------------------
// Pref : Disable social trackingprotection notification
// https://bugzilla.mozilla.org/show_bug.cgi?id=1570631
// https://hg.mozilla.org/mozilla-central/rev/94c10676584a
lockPref("privacy.socialtracking.notification.enabled", false);
// -------------------------------------
// FF72+
// -------------------------------------
// Pref : Disable PingCentre telemetry (used in several System Add-ons)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1597697
// https://hg.mozilla.org/mozilla-central/rev/7fcdfe9a24e4
lockPref("browser.ping-centre.production.endpoint", "");
lockPref("browser.ping-centre.staging.endpoint", "");
lockPref("browser.newtabpage.activity-stream.telemetry.ping.endpoint", "");
// -------------------------------------
// Pref : Disable Firefox Tips / Search suggestions
// https://bugzilla.mozilla.org/show_bug.cgi?id=1525296
// https://hg.mozilla.org/mozilla-central/rev/0fb16f92be6f
lockPref("browser.urlbar.timesBeforeHidingSuggestionsHint", 0);
// -------------------------------------
// Pref : Block unwanted connections
// https://bugzilla.mozilla.org/show_bug.cgi?id=1593693
// https://hg.mozilla.org/mozilla-central/rev/ca070ea1fc32
lockPref("network.netlink.route.check.IPv4", "");
lockPref("network.netlink.route.check.IPv6", "");
// -------------------------------------
// Pref : Set default plugin state (i.e. new plugins on discovery) to never activate
// https://bugzilla.mozilla.org/show_bug.cgi?id=1596090
// https://hg.mozilla.org/mozilla-central/rev/df333402f126
lockPref("plugin.defaultXpi.state", 0);
// -------------------------------------
// Pref : Disable Telemetry
// https://bugzilla.mozilla.org/1520491
// https://hg.mozilla.org/mozilla-central/rev/76b117a14bca
lockPref("toolkit.telemetry.hybridContent.enabled", false);
// -------------------------------------
// Pref : Disable IndexedDB
// https://bugzilla.mozilla.org/1488583
// https://hg.mozilla.org/mozilla-central/rev/c2ab1dc00f21
// lockPref("dom.indexedDB.enabled", false);
// -------------------------------------
// FF73+
// -------------------------------------
// Pref : Decrease system information leakage to Mozilla addons update servers
// https://bugzilla.mozilla.org/show_bug.cgi?id=1572140
// https://hg.mozilla.org/mozilla-central/rev/6537d7cbffe8
lockPref("extensions.getAddons.compatOverides.url", "");
// -------------------------------------
// Pref : Remove remote discovery pane from about:addons
// https://bugzilla.mozilla.org/show_bug.cgi?id=1337627
// https://hg.mozilla.org/mozilla-central/rev/e542391fb8c5
lockPref("extensions.htmlaboutaddons.discover.enabled", false);
// -------------------------------------
// Pref : Remove extensions.htmlaboutaddons.enabled pref
// https://bugzilla.mozilla.org/show_bug.cgi?id=1564525
// https://hg.mozilla.org/mozilla-central/rev/7bcf4117a172
lockPref("extensions.htmlaboutaddons.enabled", false);
// -------------------------------------
// Pref : Disable ship remote agent in Firefox Nightly
// https://bugzilla.mozilla.org/show_bug.cgi?id=1544393
// https://hg.mozilla.org/mozilla-central/rev/5a69d75cf9b1
lockPref("remote.enabled", false);
lockPref("remote.force-local", true);
// -------------------------------------
// Pref : Disable login manager storage
// https://bugzilla.mozilla.org/show_bug.cgi?id=1602631
// https://hg.mozilla.org/mozilla-central/rev/860cbb7db3c8
lockPref("signon.storeSignons", false);
// -------------------------------------
// FF74+
// -------------------------------------
// Pref : Disable legacy extensions
// https://bugzilla.mozilla.org/show_bug.cgi?id=1524327
// https://hg.mozilla.org/comm-central/rev/c1457ba6362c
lockPref("extensions.legacy.enabled", false);
// -------------------------------------
// Pref : Disable about:logins (Firefox Lockwise)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1606888
// https://hg.mozilla.org/mozilla-central/rev/0c7b5a9964dd
lockPref("signon.management.page.enabled", false);
// -------------------------------------
// Pref : Disable WebGL extensions
// https://bugzilla.mozilla.org/show_bug.cgi?id=1477756
// https://hg.mozilla.org/mozilla-central/rev/ccfa767dba64
lockPref("webgl.disable-extensions", true);
// -------------------------------------
// Pref : Disable using the OS's geolocation service
// https://bugzilla.mozilla.org/show_bug.cgi?id=1613627
// https://hg.mozilla.org/mozilla-central/rev/261683a6e351
lockPref("geo.wifi.uri", "");
// -------------------------------------
// Pref : Disable logging geolocation to the console
// https://bugzilla.mozilla.org/show_bug.cgi?id=1613627
// https://hg.mozilla.org/mozilla-central/rev/261683a6e351
lockPref("geo.wifi.logging.enabled", false); // [HIDDEN PREF]
// -------------------------------------
// Pref : Set behaviour on "+ Tab" button to display container menu
// 0=no menu (default), 1=show when clicked, 2=show on long press
// https://bugzilla.mozilla.org/show_bug.cgi?id=1606265
// https://hg.mozilla.org/mozilla-central/rev/4a6071f143a5
defaultPref("privacy.userContext.longPressBehavior", 2);
// -------------------------------------
// FF75+
// -------------------------------------
// Pref : Disable contentblocking reports
// https://bugzilla.mozilla.org/show_bug.cgi?id=1612088
// https://hg.mozilla.org/mozilla-central/rev/b582c518daeb
lockPref("browser.contentblocking.report.lockwise.url", "");
// -------------------------------------
// Pref : Disable GeoIP lookup on your address to set default search engine region
// https://bugzilla.mozilla.org/show_bug.cgi?id=1589618
// https://hg.mozilla.org/mozilla-central/rev/eeda4bdcd130
lockPref("browser.search.geoip.url", "");
// -------------------------------------
// Pref : Enable one-click select all URL bar
// https://bugzilla.mozilla.org/show_bug.cgi?id=333714
// https://hg.mozilla.org/mozilla-central/rev/9d574c79405d
defaultPref("browser.urlbar.clickSelectsAll", true);
// -------------------------------------
// Pref : Enable double click selects a string segment in URL bar
// https://bugzilla.mozilla.org/show_bug.cgi?id=333714
// https://hg.mozilla.org/mozilla-central/rev/9d574c79405d
defaultPref("browser.urlbar.doubleClickSelectsAll", false);
// -------------------------------------
// Pref : Disable virtual reality devices APIs
// https://bugzilla.mozilla.org/show_bug.cgi?id=1602102
// https://hg.mozilla.org/mozilla-central/rev/bb85b121d2ac
lockPref("dom.vr.openvr.action_input", false);
// -------------------------------------
// Pref : Disable GeoIP-based search defaults
// [NOTE] May not be hidden if Firefox has changed your settings due to your locale
// https://trac.torproject.org/projects/tor/ticket/16254
// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_geolocation-for-default-search-engine
// lockPref("browser.search.region", "US"); // [HIDDEN PREF]
// -------------------------------------
// FF76+
// -------------------------------------
// Pref : Decrease system information leakage to Mozilla blocklist update servers
// https://bugzilla.mozilla.org/show_bug.cgi?id=1618188
// https://hg.mozilla.org/mozilla-central/rev/06ca3c111fc7
lockPref("extensions.blocklist.url", "");
// -------------------------------------
// Pref : Disable app from auto-update
// https://bugzilla.mozilla.org/show_bug.cgi?id=1568994
// https://hg.mozilla.org/mozilla-central/rev/12efcfc5555a
// https://hg.mozilla.org/mozilla-central/rev/cd6bf21b54db
lockPref("app.update.url", "");
// -------------------------------------
// Pref : Disable add-on and certificate blocklists (OneCRL) from Mozilla
// https://bugzilla.mozilla.org/show_bug.cgi?id=1618188
// https://hg.mozilla.org/mozilla-central/rev/06ca3c111fc7
lockPref("extensions.blocklist.useXML", false);
// -------------------------------------
// Pref : Disable predictor / prefetching
// https://bugzilla.mozilla.org/show_bug.cgi?id=1544868
// https://hg.mozilla.org/mozilla-central/rev/3763471a8781
lockPref("network.predictor.cleaned-up", true);
// -------------------------------------
// FF77+
// -------------------------------------
// Pref : Lock web content in file processes
// https://bugzilla.mozilla.org/show_bug.cgi?id=1603007
// https://hg.mozilla.org/mozilla-central/rev/b25250e2c618
lockPref("browser.tabs.remote.allowLinkedWebInFileUriProcess", false);
// -------------------------------------
// Pref : Remove dom.registerProtocolHandler.insecure.enabled
// https://bugzilla.mozilla.org/show_bug.cgi?id=1597267
// https://hg.mozilla.org/mozilla-central/rev/89f07125aee8
lockPref("dom.registerProtocolHandler.insecure.enabled", false);
// -------------------------------------
// Pref : Disable about:addons Recommendations pane (uses Google Analytics)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1620438
// https://hg.mozilla.org/mozilla-central/rev/03da091fad18
lockPref("extensions.webservice.discoverURL", "");
// -------------------------------------
// Pref : Disable about:logins (Firefox Lockwise)
// https://bugzilla.mozilla.org/show_bug.cgi?id=1569253
// https://hg.mozilla.org/mozilla-central/rev/fbd06f30bb6d
lockPref("signon.management.overrideURI", "");
// -------------------------------------
// FF78+
// -------------------------------------