diff --git a/user.js b/user.js
index 162fbbb..5a0068b 100644
--- a/user.js
+++ b/user.js
@@ -1584,12 +1584,12 @@ user_pref("security.mixed_content.block_object_subrequest", true);
 // 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
-// user_pref("security.ssl3.rsa_des_ede3_sha", false);
+user_pref("security.ssl3.rsa_des_ede3_sha", false);
 // -------------------------------------
 // Pref: Disable the remaining non-modern cipher suites as of FF78 (in order of preferred by FF) ***/
 // user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
-// 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_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_sha", false); // no PFS
 // user_pref("security.ssl3.rsa_aes_256_sha", false); // no PFS
@@ -2132,6 +2132,14 @@ user_pref("browser.safebrowsing.features.pishing.update", false);
 user_pref("browser.safebrowsing.features.trackingAnnotation.update", false);
 user_pref("browser.safebrowsing.features.trackingProtection.update", false);
 // -------------------------------------
+// Pref : Disable SB checks for downloads (remote)
+// To verify the safety of certain executable files, Firefox may submit some information about the
+// file, including the name, origin, size and a cryptographic hash of the contents, to the Google
+// Safe Browsing service which helps Firefox determine whether or not the file should be blocked
+// [SETUP-SECURITY] If you do not understand this, or you want this protection, then override it ***/
+user_pref("browser.safebrowsing.downloads.remote.enabled", false);
+user_pref("browser.safebrowsing.downloads.remote.url", "");
+ // -------------------------------------
 // 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
@@ -2422,7 +2430,7 @@ user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDE
 // [WARNING] The dimension pref is only meant for testing, and we recommend you DO NOT USE it
 // https://bugzilla.mozilla.org/1407366
 // https://hg.mozilla.org/mozilla-central/rev/6d2d7856e468#l2.32 ***/
-// user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] // [DESKTOP]
+user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] // [DESKTOP]
 // user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF] // [DESKTOP]
 // -------------------------------------
 // Pref : Disable WebRTC, getUserMedia, screen sharing, audio capture, video capture