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README.md

@@ -15,15 +15,25 @@ user.js file for configuring and hardening Pale Moon privacy and security.-
 This user.js is mainly based on arkenfox project (56 and recent version). 
 
 
-On the other hand, it tries to avoid all the automatic connections even though security could be reduced slightly (according to Spyware Watchdog website) For instance, OSCP is a privacy breach. Nevertheless, it is also a security feature.
+On the other hand, it avoids all the automatic connections even though security could be reduced slightly (according to Spyware Watchdog website) For instance, OSCP is a privacy breach. Nevertheless, it is also a security feature.
 
 
 It has also some changes in order to improve fingerprinting like canvas.poisondata and others.
 
+Finally, it tries to resemble Firefox ESR version (useragent, buildID, platform and so on)
+
+## Known problems
+
+`Some breakage?`
+
+Try changing "network.http.referer.XOriginPolicy" from 2 to 1
+
+
 ## Thanks:
 
 * [Arkenfox user.js](https://github.com/arkenfox/user.js)
 * [Pale Moon Browser Spyware Mitigation Guide](https://spyware.neocities.org/guides/palemoon.html)
+* [Web browser](https://git.nuegia.net/webbrowser.git)
 * [Pale Moon Release Notes](https://www.palemoon.org/releasenotes.shtml)
 
 ## License
@@ -34,4 +44,4 @@ See `LICENSE` for more details.
 
 ## Other mirrors
 
-https://gitlab.com/Jorgu81/user.js/tree/master/Pale%20Moon
+https://codeberg.org/Narsil/user.js/src/branch/main/palemoon

testing/README.md

@@ -0,0 +1,10 @@
+## user.js for Pale Moon.
+
+For testing purposes only. Inspired in [Web Browser](https://git.nuegia.net/webbrowser.git/) mitigations.
+
+
+## Differences
+
+* No Javascript
+* No UserAgent
+* No buildID, appname, appversion, platform nor oscpu

user.js

@@ -1,33 +1,29 @@
-//
 // **********************************************************************************
-// user.js | Pale Moon                                                              *
-//                                                                                *
-// https://git.nixnet.xyz/Narsil/palemoon_user.js                                  * 
-// *********************************************************************************/
-//
-// Author    : Narsil    : https://git.nixnet.xyz/Narsil
-//                          
+// user.js | Pale Moon
+// https://git.nixnet.services/Narsil/palemoon_user.js
+// **********************************************************************************
 //
+// Author    : Narsil    : https://git.nixnet.services/Narsil
 //
 // Based on  : arkenfox  : https://github.com/arkenfox/user.js
 //
-//
-// License   : https://git.nixnet.xyz/Narsil/desktop_user.js/raw/branch/master/LICENSE
+// License   : https://git.nixnet.services/Narsil/palemoon_user.js/raw/branch/master/LICENSE
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // STARTUP
 // >>>>>>>>>>>>>>>>>>>>>
 // Disable about:config warning
 user_pref("general.warnOnAboutConfig", false);
-//-------------------------------------
+// -------------------------------------
 // Disable about:networking warning
 user_pref("network.warnOnAboutNetworking", false);
-//-------------------------------------
+// -------------------------------------
 // Disable default browser check
 user_pref("browser.shell.checkDefaultBrowser", false);
 user_pref("browser.shell.skipDefaultBrowserCheckOnFirstRun", true);
 // -------------------------------------
-// Set START page (0=blank, 1=home, 2=last visited page, 3=resume previous session)
+// Set START page
+// 0=blank, 1=home, 2=last visited page, 3=resume previous session
 user_pref("browser.startup.page", 0);
 // -------------------------------------
 // Set HOME+NEWWINDOW page
@@ -56,8 +52,15 @@ user_pref("browser.newtabpage.add_to_session_history", false);
 // Hide tabs (only one in use)
 // user_pref("browser.tabs.autoHide", true);
 // -------------------------------------
+// Control listed history entries in the menu
+// user_pref("browser.history.menuMaxResults", 0); // [HIDDEN PREF]
+// -------------------------------------
 // Tabs on top
 // user_pref(“browser.tabs.onTop", true);
+// -------------------------------------
+// Control whether the tab page title is included in the window title
+user_pref("privacy.exposeContentTitleInWindow", false);
+user_pref("privacy.exposeContentTitleInWindow.pbm", false);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // GEOLOCATION
@@ -137,7 +140,7 @@ user_pref("toolkit.telemetry.unified", false);
 user_pref("toolkit.telemetry.enabled", false);
 user_pref("toolkit.telemetry.server", "");
 // -------------------------------------
-// Disable Mozilla permission to silently opt you into tests
+// Disable Pale Moon permission to silently opt you into tests
 user_pref("network.allow-experiments", false);
 // -------------------------------------
 // Disable Captive Portal detection
@@ -151,12 +154,18 @@ user_pref("browser.feedback.url", "");
 // Disable auto updating of personas (themes)
 user_pref("lightweightThemes.update.enabled", false);
 // -------------------------------------
-// Disable Tracking Protection in all windows
-user_pref("privacy.trackingprotection.pbmode.enabled", false);
-user_pref("privacy.trackingprotection.enabled", false);
-// -------------------------------------
 // Disable detailed error reporting of media errors for debugging purposes
 user_pref("media.sourceErrorDetails.enabled", false);
+// -------------------------------------
+// Disable handler urls
+user_pref("gecko.handlerService.schemes.mailto.0.uriTemplate", "");
+user_pref("gecko.handlerService.schemes.mailto.0.name", "");
+user_pref("gecko.handlerService.schemes.mailto.1.uriTemplate", "");
+user_pref("gecko.handlerService.schemes.mailto.1.name", "");
+user_pref("gecko.handlerService.schemes.irc.0.uriTemplate", "");
+user_pref("gecko.handlerService.schemes.irc.0.name", "");
+user_pref("gecko.handlerService.schemes.ircs.0.uriTemplate", "");
+user_pref("gecko.handlerService.schemes.ircs.0.name", "");
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // BLOCK IMPLICIT OUTBOUND [not explicitly asked for - e.g. clicked on]
@@ -170,14 +179,13 @@ user_pref("network.dns.disablePrefetchFromHTTPS", true); // [HIDDEN PREF]
 // -------------------------------------
 // Disable predictor / prefetching
 user_pref("network.predictor.enabled", false);
-user_pref("network.predictor.enable-prefetch", false);
+// user_pref("network.predictor.enable-prefetch", false);
 // -------------------------------------
 // Disable link-mouseover opening connection to linked server
 user_pref("network.http.speculative-parallel-limit", 0);
 // -------------------------------------
 // Enforce no "Hyperlink Auditing" (click ng)
-user_pref("browser.send_pings", false);
-user_pref("browser.send_pings.require_same_host", true);
+// user_pref("browser.send_pings", false);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // HTTP* / TCP/IP / DNS / PROXY / SOCKS etc
@@ -238,7 +246,7 @@ user_pref("browser.formfill.enable", false);
 user_pref("browser.formfill.saveHttpsForms", false);
 // -------------------------------------
 // Disable browsing and download history
-user_pref("places.history.enabled", false);
+// user_pref("places.history.enabled", false);
 // -------------------------------------
 // Enable immediately showing the edit dialog for new bookmarks
 // user_pref("browser.bookmarks.editDialog.showForNewBookmarks", true);
@@ -358,15 +366,6 @@ user_pref("security.ssl.require_safe_negotiation", true);
 // -------------------------------------
 // Disable SSL session tracking
 user_pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF]
-// -------------------------------------
-// Block rc4 fallback
-user_pref("security.tls.unrestricted_rc4_fallback", false);
-// -------------------------------------
-// Disable TLS1.3 0-RTT (round-trip time)
-user_pref("security.tls.enable_0rtt_data", false);
-// -------------------------------------
-// Disable TLS 1.3 draft support
-// user_pref("security.tls.version.max", 4);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // OCSP (Online Certificate Status Protocol)
@@ -390,6 +389,7 @@ user_pref("security.pki.sha1_enforcement_level", 0);
 // -------------------------------------
 // Disable Windows 8.1's Microsoft Family Safety cert
 user_pref("security.family_safety.mode", 0);
+//
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // MIXED CONTENT
 // >>>>>>>>>>>>>>>>>>>>>
@@ -414,6 +414,8 @@ user_pref("security.mixed_content.block_display_content", true);
 // user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
 // user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
 // user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
+// user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false); // no PFS
+// user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false); // no PFS
 // user_pref("security.ssl3.rsa_aes_128_sha", false); // no PFS
 // user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
 //
@@ -475,8 +477,8 @@ user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
 // Disable spoofing a referer
 // user_pref("network.http.referer.spoofSource", false);
 // -------------------------------------
-// Enable the DNT (Do Not Track) HTTP header
-user_pref("privacy.donottrackheader.enabled", false);
+// Disable Global Privacy Control feature
+user_pref("privacy.GPCheader.enabled", false);
 // -------------------------------------
 // Block authentication-locked cross-origin image subresources by default to prevent spurious auth prompts
 // user_pref("network.auth.subresource-http-img-XO-auth", true);
@@ -487,9 +489,6 @@ user_pref("privacy.donottrackheader.enabled", false);
 // Set default plugin state (i.e. new plugins on discovery) to never activate
 user_pref("plugin.default.state", 0);
 // -------------------------------------
-// Disable widevine CDM (Content Decryption Module)
-user_pref("media.gmp-manager.url", "");
-// -------------------------------------
 // Enable click to play and set to 0 minutes
 user_pref("plugins.click_to_play", true);
 user_pref("plugin.sessionPermissionNow.intervalInMinutes", 0);
@@ -503,9 +502,6 @@ user_pref("media.gmp-manager.url", ""); // [HIDDEN PREF]
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // MEDIA / CAMERA / MIC
 // >>>>>>>>>>>>>>>>>>>>>
-// Disable WebRTC (Web Real-Time Communication)
-user_pref("media.peerconnection.enabled", false);
-// -------------------------------------
 // Disable camera stuff
 user_pref("camera.control.face_detection.enabled", false);
 // -------------------------------------
@@ -532,7 +528,6 @@ user_pref("webgl.disabled", true);
 user_pref("webgl.enable-webgl2", false);
 // -------------------------------------
 // Limit WebGL
-// user_pref("webgl.min_capability_mode", true);
 user_pref("webgl.disable-extensions", true);
 user_pref("webgl.disable-fail-if-major-performance-caveat", true);
 // -------------------------------------
@@ -617,7 +612,7 @@ user_pref("dom.event.clipboardevents.enabled", false);
 // Set max popups from a single non-click event - default is 20!
 user_pref("dom.popup_maximum", 3);
 // -------------------------------------
-// Disable idle observation ***/
+// Disable idle observation
 user_pref("dom.idle-observers-api.enabled", false);
 // -------------------------------------
 // Disable Intersection Observer API
@@ -635,6 +630,7 @@ user_pref("javascript.options.asmjs", false);
 // Disable Ion and baseline JIT to harden against JS exploits
 // user_pref("javascript.options.ion", false);
 // user_pref("javascript.options.baselinejit", false);
+// user_pref("javascript.options.native_regexp", false);
 // -------------------------------------
 // Disable WebAssembly
 user_pref("javascript.options.wasm", false);
@@ -688,12 +684,12 @@ user_pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF]
 user_pref("devtools.chrome.enabled", false);
 // -------------------------------------
 // Disable MathML (Mathematical Markup Language)
-// user_pref("mathml.disabled", true);
+user_pref("mathml.disabled", true);
 // -------------------------------------
 // Disable middle mouse click opening links from clipboard
 user_pref("middlemouse.contentLoadURL", false);
 // -------------------------------------
-// Remove special permissions for certain mozilla domains
+// Remove special permissions for certain domains
 user_pref("permissions.manager.defaultsUrl", "");
 // -------------------------------------
 // Enforce Punycode for Internationalized Domain Names to eliminate possible spoofing
@@ -737,6 +733,11 @@ user_pref("browser.download.hide_plugins_without_extensions", false);
 // Enforce CSP (Content Security Policy)
 user_pref("security.csp.enable", true);
 // -------------------------------------
+// Disable CSP reports
+user_pref("security.csp.speccompliant", false);
+user_pref("security.signed_content.CSP.default", "");
+user_pref("security.csp.reporting.enabled", false);
+// -------------------------------------
 // Disable JAR from opening Unsafe File Types
 user_pref("network.jar.open-unsafe-types", false);
 // -------------------------------------
@@ -843,15 +844,15 @@ user_pref("privacy.clearOnShutdown.siteSettings", true);
 // -------------------------------------
 // Reset default items to clear with Ctrl-Shift-Del
 user_pref("privacy.cpd.cache", true);
-user_pref("privacy.cpd.connectivityData", false);
-user_pref("privacy.cpd.cookies", false);
+user_pref("privacy.cpd.connectivityData", true);
+user_pref("privacy.cpd.cookies", true);
 user_pref("privacy.cpd.downloads", true);
 user_pref("privacy.cpd.formdata", true);
 user_pref("privacy.cpd.history", true);
-user_pref("privacy.cpd.offlineApps", false);
-user_pref("privacy.cpd.passwords", false);
+user_pref("privacy.cpd.offlineApps", true);
+user_pref("privacy.cpd.passwords", true);
 user_pref("privacy.cpd.sessions", true);
-user_pref("privacy.cpd.siteSettings", false);
+user_pref("privacy.cpd.siteSettings", true);
 // -------------------------------------
 // Reset default 'Time range to clear' for 'Clear Recent History'
 user_pref("privacy.sanitize.timeSpan", 0);
@@ -862,14 +863,15 @@ user_pref("dom.disable_beforeunload", true);
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // RFP ALTERNATIVES
 // >>>>>>>>>>>>>>>>>>>>>
-// Spoof (or limit?) number of CPU cores
-// user_pref("dom.maxHardwareConcurrency", 4);
+// Spoof number of CPU cores
+user_pref("dom.maxHardwareConcurrency", 2);
 // -------------------------------------
 // Disable resource/navigation timing
 user_pref("dom.enable_resource_timing", false);
+user_pref("dom.enable_performance_navigation_timing", false);
 // -------------------------------------
 // Disable timing attacks
-user_pref("dom.enable_performance", false);
+// user_pref("dom.enable_performance", false);
 // -------------------------------------
 // Disable device sensor API
 user_pref("device.sensors.enabled", false);
@@ -901,17 +903,18 @@ user_pref("dom.w3c_pointer_events.enabled", false);
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // RFP ALTERNATIVES (NAVIGATOR / USER AGENT SPOOFING)
 // >>>>>>>>>>>>>>>>>>>>>
-// Navigator DOM object overrides
-user_pref("general.buildID.override", "20181001000000"); // Firefox ESR ID
-user_pref("browser.startup.homepage_override.buildID", "20181001000000"); // Firefox ESR ID
-user_pref("network.http.useragent.global_override", "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0"); // Firefox ESR Agent
+// Navigator DOM object overrides. Using Tor browser values.
+user_pref("general.buildID.override", "20181001000000"); // (HIDDEN PREF)
+user_pref("browser.startup.homepage_override.buildID", "20100101"); // (HIDDEN PREF)
+user_pref("network.http.useragent.global_override", "Mozilla/5.0 (X11; Linux x86_64; rv:115.0) Gecko/20100101 Firefox/115.0"); // (HIDDEN PREF)
+user_pref("general.appname.override", "Netscape"); // (HIDDEN PREF)
+user_pref("general.appversion.override", "5.0 (X11)"); // (HIDDEN PREF)
+user_pref("general.platform.override", "Linux x86_64"); // (HIDDEN PREF)
+user_pref("general.oscpu.override", "Linux x86_64"); // (HIDDEN PREF)
 user_pref("general.useragent.updates.url", "");
 // -------------------------------------
 // Set a preferred language for spellchecking, overrides document/element languages
 user_pref("spellchecker.dictionary.override", "");
-// -------------------------------------
-// Test/override the app.update.url
-// user_pref("app.update.url.override", "");
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // PERSONAL
@@ -921,7 +924,7 @@ user_pref("startup.homepage_welcome_url", "");
 user_pref("startup.homepage_override_url", "");
 user_pref("services.sync.prefs.sync.browser.startup.homepage", "about:blank");
 // -------------------------------------
-// Enable ctrl-tab previews ***/
+// Enable ctrl-tab previews
 user_pref("browser.ctrlTab.previews", true);
 // -------------------------------------
 // Control urlbar click behaviour (with defaults)
@@ -972,6 +975,17 @@ user_pref("dom.archivereader.enabled", false);
 // -------------------------------------
 // Define whether animated lightweight themes (Personas) are allowed
 user_pref("lightweightThemes.animation.enabled", false);
+// -------------------------------------
+// Disable summary/details html elements
+// user_pref("dom.details_element.enabled", false);
+// -------------------------------------
+// Enable Hardware Acceleration
+// user_pref("layers.acceleration.enabled", true);
+// user_pref("layers.acceleration.force", true);
+// -------------------------------------
+// Disable CSS-based animations and transition effects
+user_pref("layout.css.animation.enabled", false);
+user_pref("layout.css.transition.enabled", false);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // WARNINGS
@@ -1014,14 +1028,11 @@ user_pref("general.smoothScroll", false);
 // user_pref("browser.bookmarks.max_backups", 2);
 user_pref("network.manage-offline-status", false);
 // user_pref("xpinstall.signatures.required", false);
+user_pref("javascript.options.shared_memory", false);
 // -------------------------------------
 // Enable the <menuitem> html tag
 // user_pref("dom.menuitem.enabled", true);
 // -------------------------------------
-// Control the use of node.getRootNode
-user_pref("dom.getRootNode.enabled", false);
-// -------------------------------------
-// SUCCESS
+// Test user.js in about:config
 user_pref("_config.applied", true);
-// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 //