forked from nico/dots
revert "nix: harden firefox with arkenfox user.js"
This reverts commit 569a8b8bda2523e96f8b6c05c10695e414aa097e.
This commit is contained in:
parent
b2349a9f2c
commit
497a51083e
1 changed files with 4 additions and 921 deletions
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@ -100,925 +100,8 @@
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DisableProfileImport = true;
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};
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programs.firefox.autoConfig = ''
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// mostly from arkenfox
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// at commit: https://github.com/arkenfox/user.js/blob/eae5762d29f18115fbffd73d89bd9e2510b25427/user.js
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lockPref("sidebar.revamp", true);
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lockPref("sidebar.verticalTabs", true);
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/*** [SECTION 0100]: STARTUP ***/
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/* 0105: disable sponsored content on Firefox Home (Activity Stream
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* [SETTING] Home>Firefox Home Content ***/
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lockPref("browser.newtabpage.activity-stream.showSponsored", false); // [FF58+]
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lockPref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // [FF83+] Shortcuts>Sponsored shortcuts
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/* 0106: clear default topsites
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* [NOTE] This does not block you from adding your own ***/
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lockPref("browser.newtabpage.activity-stream.default.sites", "");
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/*** [SECTION 0200]: GEOLOCATION ***/
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/* 0202: disable using the geolocation service ***/
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lockPref("geo.enabled", false);
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/*** [SECTION 0300]: QUIETER FOX ***/
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/** RECOMMENDATIONS ***/
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/* 0320: disable recommendation pane in about:addons (uses Google Analytics ***/
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lockPref("extensions.getAddons.showPane", false); // [HIDDEN PREF]
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/* 0321: disable recommendations in about:addons' Extensions and Themes panes [FF68+] ***/
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lockPref("extensions.htmlaboutaddons.recommendations.enabled", false);
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/* 0322: disable personalized Extension Recommendations in about:addons and AMO [FF65+]
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* [NOTE] This pref has no effect when Health Reports (0331 are disabled
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* [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to make personalized extension recommendations
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* [1] https://support.mozilla.org/kb/personalized-extension-recommendations ***/
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lockPref("browser.discovery.enabled", false);
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/* 0323: disable shopping experience [FF116+]
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* [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1840156//c0 ***/
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lockPref("browser.shopping.experience2023.enabled", false); // [DEFAULT: false]
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/** TELEMETRY ***/
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/* 0330: disable new data submission [FF41+]
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* If disabled, no policy is shown or upload takes place, ever
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* [1] https://bugzilla.mozilla.org/1195552 ***/
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lockPref("datareporting.policy.dataSubmissionEnabled", false);
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/* 0331: disable Health Reports
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* [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical... data ***/
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lockPref("datareporting.healthreport.uploadEnabled", false);
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/* 0332: disable telemetry
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* ThelockPref("unified" pref affects the behavior of the "enabled" pref
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* - IflockPref("unified" is false then "enabled" controls the telemetry module
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* - IflockPref("unified" is true then "enabled" only controls whether to record extended data
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* [NOTE]lockPref("toolkit.telemetry.enabled" is now LOCKED to reflect prerelease (true or release builds (false) [2]
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* [1] https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html
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* [2] https://medium.com/georg-fritzsche/data-preference-changes-in-firefox-58-2d5df9c428b5 ***/
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lockPref("toolkit.telemetry.unified", false);
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lockPref("toolkit.telemetry.enabled", false); // see [NOTE]
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lockPref("toolkit.telemetry.server", "data:,");
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lockPref("toolkit.telemetry.archive.enabled", false);
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lockPref("toolkit.telemetry.newProfilePing.enabled", false); // [FF55+]
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lockPref("toolkit.telemetry.shutdownPingSender.enabled", false); // [FF55+]
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lockPref("toolkit.telemetry.updatePing.enabled", false); // [FF56+]
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lockPref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter
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lockPref("toolkit.telemetry.firstShutdownPing.enabled", false); // [FF57+]
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/* 0333: disable Telemetry Coverage
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* [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/ ***/
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lockPref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF]
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lockPref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF]
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lockPref("toolkit.coverage.endpoint.base", "");
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/* 0335: disable Firefox Home (Activity Stream telemetry ***/
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lockPref("browser.newtabpage.activity-stream.feeds.telemetry", false);
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lockPref("browser.newtabpage.activity-stream.telemetry", false);
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/** STUDIES ***/
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/* 0340: disable Studies
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* [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to install and run studies ***/
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lockPref("app.shield.optoutstudies.enabled", false);
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/* 0341: disable Normandy/Shield [FF60+]
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* Shield is a telemetry system that can push and testlockPref("recipes"
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* [1] https://mozilla.github.io/normandy/ ***/
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lockPref("app.normandy.enabled", false);
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lockPref("app.normandy.api_url", "");
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/** CRASH REPORTS ***/
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/* 0350: disable Crash Reports ***/
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lockPref("breakpad.reportURL", "");
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lockPref("browser.tabs.crashReporting.sendReport", false); // [FF44+]
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//lockPref("browser.crashReports.unsubmittedCheck.enabled", false);# [FF51+] [DEFAULT: false]
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/* 0351: enforce no submission of backlogged Crash Reports [FF58+]
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* [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports ***/
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lockPref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DEFAULT: false]
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/** OTHER ***/
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/* 0360: disable Captive Portal detection
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* [1] https://www.eff.org/deeplinks/2017/08/how-captive-portals-interfere-wireless-security-and-privacy ***/
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lockPref("captivedetect.canonicalURL", "");
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lockPref("network.captive-portal-service.enabled", false); // [FF52+]
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/* 0361: disable Network Connectivity checks [FF65+]
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* [1] https://bugzilla.mozilla.org/1460537 ***/
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lockPref("network.connectivity-service.enabled", false);
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/*** [SECTION 0400]: SAFE BROWSING (SB
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SB has taken many steps to preserve privacy. If required, a full url is never sent
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to Google, only a part-hash of the prefix, hidden with noise of other real part-hashes.
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Firefox takes measures such as stripping out identifying parameters and since SBv4 (FF57+
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doesn't even use cookies. (//Turn on browser.safebrowsing.debug to monitor this activity
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[1] https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/
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[2] https://wiki.mozilla.org/Security/Safe_Browsing
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[3] https://support.mozilla.org/kb/how-does-phishing-and-malware-protection-work
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[4] https://educatedguesswork.org/posts/safe-browsing-privacy/
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***/
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/* 0401: disable SB (Safe Browsing
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* [WARNING] Do this at your own risk! These are the master switches
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* [SETTING] Privacy & Security>Security>... Block dangerous and deceptive content ***/
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//lockPref("browser.safebrowsing.malware.enabled", false);
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//lockPref("browser.safebrowsing.phishing.enabled", false);
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/* 0402: disable SB checks for downloads (both local lookups + remote
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* This is the master switch for the safebrowsing.downloads* prefs (0403, 0404
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* [SETTING] Privacy & Security>Security>...lockPref("Block dangerous downloads" ***/
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//lockPref("browser.safebrowsing.downloads.enabled", false);
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/* 0403: disable SB checks for downloads (remote
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* To verify the safety of certain executable files, Firefox may submit some information about the
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* file, including the name, origin, size and a cryptographic hash of the contents, to the Google
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* Safe Browsing service which helps Firefox determine whether or not the file should be blocked
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* [SETUP-SECURITY] If you do not understand this, or you want this protection, then override this ***/
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lockPref("browser.safebrowsing.downloads.remote.enabled", false);
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//lockPref("browser.safebrowsing.downloads.remote.url", "");# Defense-in-depth
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/* 0404: disable SB checks for unwanted software
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* [SETTING] Privacy & Security>Security>...lockPref("Warn you about unwanted and uncommon software" ***/
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//lockPref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false);
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//lockPref("browser.safebrowsing.downloads.remote.block_uncommon", false);
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/* 0405: disablelockPref("ignore this warning" on SB warnings [FF45+]
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* If clicked, it bypasses the block for that session. This is a means for admins to enforce SB
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* [TEST] see https://github.com/arkenfox/user.js/wiki/Appendix-A-Test-Sites//-mozilla
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* [1] https://bugzilla.mozilla.org/1226490 ***/
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//lockPref("browser.safebrowsing.allowOverride", false);
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/*** [SECTION 0600]: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - e.g. clicked on] ***/
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/* 0601: disable link prefetching
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* [1] https://developer.mozilla.org/docs/Web/HTTP/Link_prefetching_FAQ ***/
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lockPref("network.prefetch-next", false);
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/* 0602: disable DNS prefetching
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* [1] https://developer.mozilla.org/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control ***/
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lockPref("network.dns.disablePrefetch", true);
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lockPref("network.dns.disablePrefetchFromHTTPS", true);
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/* 0603: disable predictor / prefetching ***/
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lockPref("network.predictor.enabled", false);
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lockPref("network.predictor.enable-prefetch", false); // [FF48+] [DEFAULT: false]
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/* 0604: disable link-mouseover opening connection to linked server
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* [1] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests ***/
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lockPref("network.http.speculative-parallel-limit", 0);
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/* 0605: disable mousedown speculative connections on bookmarks and history [FF98+] ***/
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lockPref("browser.places.speculativeConnect.enabled", false);
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/* 0610: enforce nolockPref("Hyperlink Auditing" (click tracking
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* [1] https://www.bleepingcomputer.com/news/software/major-browsers-to-prevent-disabling-of-click-tracking-privacy-risk/ ***/
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//lockPref("browser.send_pings", false);# [DEFAULT: false]
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/*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS ***/
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/* 0801: disable location bar making speculative connections [FF56+]
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* [1] https://bugzilla.mozilla.org/1348275 ***/
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lockPref("browser.urlbar.speculativeConnect.enabled", false);
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/* 0802: disable location bar contextual suggestions
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* [NOTE] The UI is controlled by the .enabled pref
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* [SETTING] Search>Address Bar>Suggestions from...
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* [1] https://blog.mozilla.org/data/2021/09/15/data-and-firefox-suggest/ ***/
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lockPref("browser.urlbar.quicksuggest.enabled", false); // [FF92+]
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lockPref("browser.urlbar.suggest.quicksuggest.nonsponsored", false); // [FF95+]
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lockPref("browser.urlbar.suggest.quicksuggest.sponsored", false); // [FF92+]
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/* 0803: disable live search suggestions
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* [NOTE] Both must be true for live search to work in the location bar
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* [SETUP-CHROME] Override these if you trust and use a privacy respecting search engine
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* [SETTING] Search>Show search suggestions | Show search suggestions in address bar results ***/
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lockPref("browser.search.suggest.enabled", false);
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lockPref("browser.urlbar.suggest.searches", false);
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/* 0805: disable urlbar trending search suggestions [FF118+]
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* [SETTING] Search>Search Suggestions>Show trending search suggestions (FF119 ***/
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lockPref("browser.urlbar.trending.featureGate", false);
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/* 0806: disable urlbar suggestions ***/
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lockPref("browser.urlbar.addons.featureGate", false); // [FF115+]
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lockPref("browser.urlbar.mdn.featureGate", false); // [FF117+] [HIDDEN PREF]
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lockPref("browser.urlbar.pocket.featureGate", false); // [FF116+] [DEFAULT: false]
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lockPref("browser.urlbar.weather.featureGate", false); // [FF108+] [DEFAULT: false]
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lockPref("browser.urlbar.yelp.featureGate", false); // [FF124+] [DEFAULT: false]
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/* 0807: disable urlbar clipboard suggestions [FF118+] ***/
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//lockPref("browser.urlbar.clipboard.featureGate", false);
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/* 0808: disable recent searches [FF120+]
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* [NOTE] Recent searches are cleared with history (2811
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* [1] https://support.mozilla.org/kb/search-suggestions-firefox ***/
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//lockPref("browser.urlbar.recentsearches.featureGate", false);
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/* 0810: disable search and form history
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* [NOTE] We also clear formdata on exit (2811
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* [SETUP-WEB] Be aware that autocomplete form data can be read by third parties [1][2]
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* [SETTING] Privacy & Security>History>Custom Settings>Remember search and form history
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* [1] https://blog.mindedsecurity.com/2011/10/autocompleteagain.html
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* [2] https://bugzilla.mozilla.org/381681 ***/
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lockPref("browser.formfill.enable", false);
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/* 0815: disable tab-to-search [FF85+]
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* Alternatively, you can exclude on a per-engine basis by unchecking them in Options>Search
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* [SETTING] Search>Address Bar>When using the address bar, suggest>Search engines ***/
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//lockPref("browser.urlbar.suggest.engines", false);
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/* 0820: disable coloring of visited links
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* [SETUP-HARDEN] Bulk rapid history sniffing was mitigated in 2010 [1][2]. Slower and more expensive
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* redraw timing attacks were largely mitigated in FF77+ [3]. Using RFP (4501 further hampers timing
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* attacks. Don't forget clearing history on exit (2811. However, social engineering [2//limits][4][5]
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* and advanced targeted timing attacks could still produce usable results
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* [1] https://developer.mozilla.org/docs/Web/CSS/Privacy_and_the_:visited_selector
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* [2] https://dbaron.org/mozilla/visited-privacy
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* [3] https://bugzilla.mozilla.org/1632765
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* [4] https://earthlng.github.io/testpages/visited_links.html (see github wiki APPENDIX A on how to use
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* [5] https://lcamtuf.blogspot.com/2016/08/css-mix-blend-mode-is-bad-for-keeping.html ***/
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//lockPref("layout.css.visited_links_enabled", false);
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/*** [SECTION 1000]: DISK AVOIDANCE ***/
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/* 1001: disable disk cache
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* [NOTE] We also clear cache on exit (2811
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* [SETUP-CHROME] If you think disk cache helps perf, then feel free to override this ***/
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//"browser.cache.disk.enable", false);
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/* 1002: disable media cache from writing to disk in Private Browsing
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* [NOTE] MSE (Media Source Extensions are already stored in-memory in PB ***/
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lockPref("browser.privatebrowsing.forceMediaMemoryCache", true); // [FF75+]
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lockPref("media.memory_cache_max_size", 65536);
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/* 1003: disable storing extra session data [SETUP-CHROME]
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* define on which sites to save extra session data such as form content, cookies and POST data
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* 0=everywhere, 1=unencrypted sites, 2=nowhere ***/
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lockPref("browser.sessionstore.privacy_level", 2);
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/*** [SECTION 1200]: HTTPS (SSL/TLS / OCSP / CERTS / HPKP
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Your cipher and other settings can be used in server side fingerprinting
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[TEST] https://www.ssllabs.com/ssltest/viewMyClient.html
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[TEST] https://browserleaks.com/ssl
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[TEST] https://ja3er.com/
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[1] https://www.securityartwork.es/2017/02/02/tls-client-fingerprinting-with-bro/
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***/
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/** SSL (Secure Sockets Layer / TLS (Transport Layer Security) ***/
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/* 1201: require safe negotiation
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* Blocks connections to servers that don't support RFC 5746 [2] as they're potentially vulnerable to a
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* MiTM attack [3]. A server without RFC 5746 can be safe from the attack if it disables renegotiations
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* but the problem is that the browser can't know that. Setting this pref to true is the only way for the
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* browser to ensure there will be no unsafe renegotiations on the channel between the browser and the server
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* [SETUP-WEB] SSL_ERROR_UNSAFE_NEGOTIATION: is it worth overriding this for that one site?
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* [STATS] SSL Labs (May 2024 reports over 99.7% of top sites have secure renegotiation [4]
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* [1] https://wiki.mozilla.org/Security:Renegotiation
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* [2] https://datatracker.ietf.org/doc/html/rfc5746
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* [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
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* [4] https://www.ssllabs.com/ssl-pulse/ ***/
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lockPref("security.ssl.require_safe_negotiation", true);
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/* 1206: disable TLS1.3 0-RTT (round-trip time [FF51+]
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* This data is not forward secret, as it is encrypted solely under keys derived using
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* the offered PSK. There are no guarantees of non-replay between connections
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* [1] https://github.com/tlswg/tls13-spec/issues/1001
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* [2] https://www.rfc-editor.org/rfc/rfc9001.html//name-replay-attacks-with-0-rtt
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* [3] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/
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lockPref("security.tls.enable_0rtt_data", false);
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/** OCSP (Online Certificate Status Protocol
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[1] https://scotthelme.co.uk/revocation-is-broken/
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[2] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/
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***/
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/* 1211: enforce OCSP fetching to confirm current validity of certificates
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* 0=disabled, 1=enabled (default, 2=enabled for EV certificates only
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* OCSP (non-stapled leaks information about the sites you visit to the CA (cert authority)
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* It's a trade-off between security (checking and privacy (leaking info to the CA)
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* [NOTE] This pref only controls OCSP fetching and does not affect OCSP stapling
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* [SETTING] Privacy & Security>Security>Certificates>Query OCSP responder servers...
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* [1] https://en.wikipedia.org/wiki/Ocsp ***/
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lockPref("security.OCSP.enabled", 1); // [DEFAULT: 1]
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/* 1212: set OCSP fetch failures (non-stapled, see 1211 to hard-fail
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* [SETUP-WEB] SEC_ERROR_OCSP_SERVER_ERROR
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* When a CA cannot be reached to validate a cert, Firefox just continues the connection (=soft-fail
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* Setting this pref to true tells Firefox to instead terminate the connection (=hard-fail
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* It is pointless to soft-fail when an OCSP fetch fails: you cannot confirm a cert is still valid (it
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* could have been revoked and/or you could be under attack (e.g. malicious blocking of OCSP servers)
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* [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/
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* [2] https://www.imperialviolet.org/2014/04/19/revchecking.html ***/
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lockPref("security.OCSP.require", true);
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/** CERTS / HPKP (HTTP Public Key Pinning ***/
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/* 1223: enable strict PKP (Public Key Pinning
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* 0=disabled, 1=allow user MiTM (default); such as your antivirus, 2=strict
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* [SETUP-WEB] MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE ***/
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lockPref("security.cert_pinning.enforcement_level", 2);
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/* 1224: enable CRLite [FF73+]
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* 0, disabled
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* 1, consult CRLite but only collect telemetry
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* 2, consult CRLite and enforce bothlockPref("Revoked" and "Not Revoked" results
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* 3, consult CRLite and enforcelockPref("Not Revoked" results = but defer to OCSP for "Revoked" (default
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* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1429800,1670985,1753071
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* [2] https://blog.mozilla.org/security/tag/crlite/ ***/
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lockPref("security.remote_settings.crlite_filters.enabled", true);
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lockPref("security.pki.crlite_mode", 2);
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/** MIXED CONTENT ***/
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/* 1241: disable insecure passive content (such as images on https pages ***/
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//lockPref("security.mixed_content.block_display_content", true);# Defense-in-depth (see 1244)
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/* 1244: enable HTTPS-Only mode in all windows
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* When the top-level is HTTPS, insecure subresources are also upgraded (silent fail
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* [SETTING] to add site exceptions: Padlock>HTTPS-Only mode>On (afterlockPref("Continue to HTTP Site"
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* [SETTING] Privacy & Security>HTTPS-Only Mode (and manage exceptions
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* [TEST] http://example.com [upgrade]
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* [TEST] http://httpforever.com/ | http://http.rip [no upgrade] ***/
|
||||
lockPref("dom.security.https_only_mode", true); // [FF76+]
|
||||
//lockPref("dom.security.https_only_mode_pbm", true);# [FF80+]
|
||||
/* 1245: enable HTTPS-Only mode for local resources [FF77+] ***/
|
||||
//lockPref("dom.security.https_only_mode.upgrade_local", true);
|
||||
/* 1246: disable HTTP background requests [FF82+]
|
||||
* When attempting to upgrade, if the server doesn't respond within 3 seconds, Firefox sends
|
||||
* a top-level HTTP request without path in order to check if the server supports HTTPS or not
|
||||
* This is done to avoid waiting for a timeout which takes 90 seconds
|
||||
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1642387,1660945 ***/
|
||||
//"dom.security.https_only_mode_send_http_background_request", false);
|
||||
|
||||
/** UI (User Interface ***/
|
||||
/* 1270: display warning on the padlock forlockPref("broken security" (if 1201 is false
|
||||
* Bug: warning padlock not indicated for subresources on a secure page! [2]
|
||||
* [1] https://wiki.mozilla.org/Security:Renegotiation
|
||||
* [2] https://bugzilla.mozilla.org/1353705 ***/
|
||||
lockPref("security.ssl.treat_unsafe_negotiation_as_broken", true);
|
||||
/* 1272: 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);
|
||||
|
||||
/*** [SECTION 1600]: REFERERS
|
||||
full URI: https://example.com:8888/foo/bar.html?id=1234
|
||||
scheme+host+port+path: https://example.com:8888/foo/bar.html
|
||||
scheme+host+port: https://example.com:8888
|
||||
[1] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/
|
||||
***/
|
||||
/* 1602: control the amount of cross-origin information to send [FF52+]
|
||||
* 0=send full URI (default, 1=scheme+host+port+path, 2=scheme+host+port ***/
|
||||
lockPref("network.http.referer.XOriginTrimmingPolicy", 2);
|
||||
|
||||
/*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/
|
||||
/* 2002: force WebRTC inside the proxy [FF70+] ***/
|
||||
lockPref("media.peerconnection.ice.proxy_only_if_behind_proxy", true);
|
||||
/* 2003: force a single network interface for ICE candidates generation [FF42+]
|
||||
* When using a system-wide proxy, it uses the proxy interface
|
||||
* [1] https://developer.mozilla.org/docs/Web/API/RTCIceCandidate
|
||||
* [2] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/
|
||||
lockPref("media.peerconnection.ice.default_address_only", true);
|
||||
/* 2004: force exclusion of private IPs from ICE candidates [FF51+]
|
||||
* [SETUP-HARDEN] This will protect your private IP even in TRUSTED scenarios after you
|
||||
* grant device access, but often results in breakage on video-conferencing platforms ***/
|
||||
//lockPref("media.peerconnection.ice.no_host", true);
|
||||
/* 2020: disable GMP (Gecko Media Plugins
|
||||
* [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
|
||||
//lockPref("media.gmp-provider.enabled", false);
|
||||
|
||||
/*** [SECTION 2400]: DOM (DOCUMENT OBJECT MODEL ***/
|
||||
/* 2402: prevent scripts from moving and resizing open windows ***/
|
||||
lockPref("dom.disable_window_move_resize", true);
|
||||
|
||||
/*** [SECTION 2600]: MISCELLANEOUS ***/
|
||||
/* 2603: remove temp files opened from non-PB windows with an external application
|
||||
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=302433,1738574 ***/
|
||||
lockPref("browser.download.start_downloads_in_tmp_dir", true); // [FF102+]
|
||||
lockPref("browser.helperApps.deleteTempFileOnExit", true);
|
||||
/* 2606: disable UITour backend so there is no chance that a remote page can use it ***/
|
||||
lockPref("browser.uitour.enabled", false);
|
||||
//lockPref("browser.uitour.url", "");# Defense-in-depth
|
||||
/* 2608: reset remote debugging to disabled
|
||||
* [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/16222 ***/
|
||||
lockPref("devtools.debugger.remote-enabled", false); // [DEFAULT: false]
|
||||
/* 2615: disable websites overriding Firefox's keyboard shortcuts [FF58+]
|
||||
* 0 (default or 1=allow, 2=block
|
||||
* [SETTING] to add site exceptions: Ctrl+I>Permissions>Override Keyboard Shortcuts ***/
|
||||
lockPref("permissions.default.shortcuts", 2);
|
||||
/* 2616: remove special permissions for certain mozilla domains [FF35+]
|
||||
* [1] resource://app/defaults/permissions ***/
|
||||
lockPref("permissions.manager.defaultsUrl", "");
|
||||
/* 2617: remove webchannel whitelist ***/
|
||||
lockPref("webchannel.allowObject.urlWhitelist", "");
|
||||
/* 2619: use Punycode in Internationalized Domain Names to eliminate possible spoofing
|
||||
* [SETUP-WEB] Might be undesirable for non-latin alphabet users since legitimate IDN's are also punycoded
|
||||
* [TEST] https://www.xn--80ak6aa92e.com/ (www.apple.com
|
||||
* [1] https://wiki.mozilla.org/IDN_Display_Algorithm
|
||||
* [2] https://en.wikipedia.org/wiki/IDN_homograph_attack
|
||||
* [3] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=punycode+firefox
|
||||
* [4] https://www.xudongz.com/blog/2017/idn-phishing/ ***/
|
||||
lockPref("network.IDN_show_punycode", true);
|
||||
/* 2620: enforce PDFJS, disable PDFJS scripting
|
||||
* This setting controls if the optionlockPref("Display in Firefox" is available in the setting below
|
||||
* and by effect controls whether PDFs are handled in-browser or externally ("Ask" orlockPref("Open With"
|
||||
* [WHY] pdfjs is lightweight, open source, and secure: the last exploit was June 2015 [1]
|
||||
* It doesn't breaklockPref("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.
|
||||
* [NOTE] JS can still force a pdf to open in-browser by bundling its own code
|
||||
* [SETUP-CHROME] You may prefer a different pdf reader for security/workflow reasons
|
||||
* [SETTING] General>Applications>Portable Document Format (PDF
|
||||
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=pdf.js+firefox ***/
|
||||
lockPref("pdfjs.disabled", false); // [DEFAULT: false]
|
||||
lockPref("pdfjs.enableScripting", false); // [FF86+]
|
||||
/* 2624: disable middle click on new tab button opening URLs or searches using clipboard [FF115+] */
|
||||
//"browser.tabs.searchclipboardfor.middleclick", false); # [DEFAULT: false NON-LINUX]
|
||||
/* 2630: disable content analysis by DLP (Data Loss Prevention agents
|
||||
* DLP agents are background processes on managed computers that allow enterprises to monitor locally running
|
||||
* applications for data exfiltration events, which they can allow/block based on customer defined DLP policies.
|
||||
* 0=Block all requests, 1=Warn on all requests (which lets the user decide, 2=Allow all requests
|
||||
* [1] https://github.com/chromium/content_analysis_sdk */
|
||||
lockPref("browser.contentanalysis.enabled", false); // [FF121+] [DEFAULT: false]
|
||||
lockPref("browser.contentanalysis.default_result", 0); // [FF127+] [DEFAULT: 0]
|
||||
|
||||
/** EXTENSIONS ***/
|
||||
/* 2660: limit allowed extension directories
|
||||
* 1=profile, 2=user, 4=application, 8=system, 16=temporary, 31=all
|
||||
* The pref value represents the sum: e.g. 5 would be profile and application directories
|
||||
* [SETUP-CHROME] Breaks usage of files which are installed outside allowed directories
|
||||
* [1] https://archive.is/DYjAM ***/
|
||||
lockPref("extensions.enabledScopes", 5); // [HIDDEN PREF]
|
||||
//lockPref("extensions.autoDisableScopes", 15);# [DEFAULT: 15]
|
||||
/* 2661: disable bypassing 3rd party extension install prompts [FF82+]
|
||||
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1659530,1681331 ***/
|
||||
lockPref("extensions.postDownloadThirdPartyPrompt", false);
|
||||
/* 2662: disable webextension restrictions on certain mozilla domains (you also need 4503 [FF60+]
|
||||
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/
|
||||
//lockPref("extensions.webextensions.restrictedDomains", "");
|
||||
|
||||
/*** [SECTION 2700]: ETP (ENHANCED TRACKING PROTECTION ***/
|
||||
/* 2701: enable ETP Strict Mode [FF86+]
|
||||
* ETP Strict Mode enables Total Cookie Protection (TCP
|
||||
* [NOTE] Adding site exceptions disables all ETP protections for that site and increases the risk of
|
||||
* cross-site state tracking e.g. exceptions for SiteA and SiteB means PartyC on both sites is shared
|
||||
* [1] https://blog.mozilla.org/security/2021/02/23/total-cookie-protection/
|
||||
* [SETTING] to add site exceptions: Urlbar>ETP Shield
|
||||
* [SETTING] to manage site exceptions: Options>Privacy & Security>Enhanced Tracking Protection>Manage Exceptions ***/
|
||||
lockPref("browser.contentblocking.category", "strict"); // [HIDDEN PREF]
|
||||
/* 2702: disable ETP web compat features [FF93+]
|
||||
* [SETUP-HARDEN] Includes skip lists, heuristics (SmartBlock and automatic grants
|
||||
* Opener and redirect heuristics are granted for 30 days, see [3]
|
||||
* [1] https://blog.mozilla.org/security/2021/07/13/smartblock-v2/
|
||||
* [2] https://hg.mozilla.org/mozilla-central/rev/e5483fd469ab//l4.12
|
||||
* [3] https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning//storage_access_heuristics ***/
|
||||
//lockPref("privacy.antitracking.enableWebcompat", false);
|
||||
|
||||
/** SANITIZE MANUAL: TIMERANGE ***/
|
||||
/* 2840: setlockPref("Time range to clear" for "Clear Data" (2820 and "Clear History" (2830)
|
||||
* 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
|
||||
* [NOTE] Values 5 (last 5 minutes and 6 (last 24 hours) are not listed in the dropdown,
|
||||
* which will display a blank value, and are not guaranteed to work ***/
|
||||
lockPref("privacy.sanitize.timeSpan", 0);
|
||||
|
||||
/*** [SECTION 4000]: FPP (fingerprintingProtection
|
||||
RFP (4501 overrides FPP
|
||||
|
||||
In FF118+ FPP is on by default in private windows (4001 and in FF119+ is controlled
|
||||
by ETP (2701. FPP will also use Remote Services in future to relax FPP protections
|
||||
on a per site basis for compatibility (4004.
|
||||
|
||||
https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargetsDefault.inc
|
||||
|
||||
1826408 - restrict fonts to system (kBaseFonts + kLangPackFonts (Windows, Mac, some Linux)
|
||||
https://searchfox.org/mozilla-central/search?path=StandardFonts*.inc
|
||||
1858181 - subtly randomize canvas per eTLD+1, per session and per window-mode (FF120+
|
||||
***/
|
||||
/* 4001: enable FPP in PB mode [FF114+]
|
||||
* [NOTE] In FF119+, FPP for all modes (7016 is enabled with ETP Strict (2701) ***/
|
||||
lockPref("privacy.fingerprintingProtection.pbmode", true); // [DEFAULT: true FF118+]
|
||||
/* 4002: set global FPP overrides [FF114+]
|
||||
* useslockPref("RFPTargets" [1] which despite the name these are not used by RFP
|
||||
* e.g.lockPref("+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC" = all targets but allow prefers-color-scheme and do not change timezone
|
||||
* e.g.lockPref("-AllTargets,+CanvasRandomization,+JSDateTimeUTC" = no targets but do use FPP canvas and change timezone
|
||||
* [NOTE] Not supported by arkenfox. Either use RFP or FPP at defaults
|
||||
* [1] https://searchfox.org/mozilla-central/source/toolkit/components/resistfingerprinting/RFPTargets.inc ***/
|
||||
//lockPref("privacy.fingerprintingProtection.overrides", "");
|
||||
/* 4003: set granular FPP overrides
|
||||
* JSON format: e.g."[{\"firstPartyDomain\": \"netflix.com\", \"overrides\": \"-CanvasRandomization,-FrameRate,\"}]"
|
||||
* [NOTE] Not supported by arkenfox. Either use RFP or FPP at defaults ***/
|
||||
//lockPref("privacy.fingerprintingProtection.granularOverrides", "");
|
||||
/* 4004: disable remote FPP overrides [FF127+] ***/
|
||||
//lockPref("privacy.fingerprintingProtection.remoteOverrides.enabled", false);
|
||||
|
||||
/*** [SECTION 4500]: OPTIONAL RFP (resistFingerprinting
|
||||
RFP overrides FPP (4000
|
||||
|
||||
FF128+ Arkenfox by default uses FPP (automatically enabled with ETP Strict. For most people
|
||||
this is all you need. To use RFP instead, add RFP (4501 to your overrides, and optionally
|
||||
add letterboxing (4504, spoof_english (4506), and webgl (4520).
|
||||
|
||||
RFP is an all-or-nothing buy in: you cannot pick and choose what parts you want
|
||||
[TEST] https://arkenfox.github.io/TZP/tzp.html
|
||||
|
||||
[WARNING] DO NOT USE extensions to alter RFP protected metrics
|
||||
|
||||
418986 - limit window.screen & CSS media queries (FF41
|
||||
1281949 - spoof screen orientation (FF50
|
||||
1360039 - spoof navigator.hardwareConcurrency as 2 (FF55
|
||||
FF56
|
||||
1333651 - spoof User Agent & Navigator API
|
||||
version: android version spoofed as ESR (FF119 or lower
|
||||
OS: JS spoofed as Windows 10, OS 10.15, Android 10, or Linux | HTTP Headers spoofed as Windows or Android
|
||||
1369319 - disable device sensor API
|
||||
1369357 - disable site specific zoom
|
||||
1337161 - hide gamepads from content
|
||||
1372072 - spoof network information API aslockPref("unknown" when dom.netinfo.enabled, true
|
||||
1333641 - reduce fingerprinting in WebSpeech API
|
||||
FF57
|
||||
1369309 - spoof media statistics
|
||||
1382499 - reduce screen co-ordinate fingerprinting in Touch API
|
||||
1217290 & 1409677 - enable some fingerprinting resistance for WebGL
|
||||
1354633 - limit MediaError.message to a whitelist
|
||||
FF58+
|
||||
1372073 - spoof/block fingerprinting in MediaDevices API (FF59
|
||||
Spoof: enumerate devices as onelockPref("Internal Camera" and one "Internal Microphone"
|
||||
Block: suppresses the ondevicechange event
|
||||
1039069 - warn when language prefs are not set tolockPref("en*" (FF59
|
||||
1222285 & 1433592 - spoof keyboard events and suppress keyboard modifier events (FF59
|
||||
Spoofing mimics the content language of the document. Currently it only supports en-US.
|
||||
Modifier events suppressed are SHIFT and both ALT keys. Chrome is not affected.
|
||||
1337157 - disable WebGL debug renderer info (FF60
|
||||
1459089 - disable OS locale in HTTP Accept-Language headers (ANDROID (FF62)
|
||||
1479239 - returnlockPref("no-preference" with prefers-reduced-motion (FF63
|
||||
1363508 - spoof/suppress Pointer Events (FF64
|
||||
1492766 - spoof pointerEvent.pointerid (FF65
|
||||
1485266 - disable exposure of system colors to CSS or canvas (FF67
|
||||
1494034 - returnlockPref("light" with prefers-color-scheme (FF67
|
||||
1564422 - spoof audioContext outputLatency (FF70
|
||||
1595823 - return audioContext sampleRate as 44100 (FF72
|
||||
1607316 - spoof pointer as coarse and hover as none (ANDROID (FF74)
|
||||
1621433 - randomize canvas (previously FF58+ returned an all-white canvas (FF78)
|
||||
1506364 - returnlockPref("no-preference" with prefers-contrast (FF80
|
||||
1653987 - limit font visibility to bundled andlockPref("Base Fonts" (Windows, Mac, some Linux (FF80)
|
||||
1461454 - spoof smooth=true and powerEfficient=false for supported media in MediaCapabilities (FF82
|
||||
531915 - use fdlibm's sin, cos and tan in jsmath (FF93, ESR91.1
|
||||
1756280 - enforce navigator.pdfViewerEnabled as true and plugins/mimeTypes as hard-coded values (FF100-115
|
||||
1692609 - reduce JS timing precision to 16.67ms (previously FF55+ was 100ms (FF102)
|
||||
1422237 - returnlockPref("srgb" with color-gamut (FF110
|
||||
1794628 - returnlockPref("none" with inverted-colors (FF114
|
||||
1554751 - return devicePixelRatio as 2 (previously FF41+ was 1 (FF127)
|
||||
1787790 - normalize system fonts (FF128
|
||||
1835987 - spoof timezone as Atlantic/Reykjavik (previously FF55+ was UTC (FF128)
|
||||
***/
|
||||
/* 4501: enable RFP
|
||||
* [NOTE] pbmode applies if true and the original pref is false
|
||||
* [SETUP-WEB] RFP can cause some website breakage: mainly canvas, use a canvas site exception via the urlbar.
|
||||
* RFP also has a few side effects: mainly that timezone is GMT, and websites will prefer light theme ***/
|
||||
lockPref("privacy.resistFingerprinting", true);// [FF41+]
|
||||
lockPref("privacy.resistFingerprinting.pbmode", true);// [FF114+]
|
||||
/* 4502: set RFP new window size max rounded values [FF55+]
|
||||
* [SETUP-CHROME] sizes round down in hundreds: width to 200s and height to 100s, to fit your screen
|
||||
* [1] https://bugzilla.mozilla.org/1330882 ***/
|
||||
lockPref("privacy.window.maxInnerWidth", 1600);
|
||||
lockPref("privacy.window.maxInnerHeight", 900);
|
||||
/* 4503: disable mozAddonManager Web API [FF57+]
|
||||
* [NOTE] To allow extensions to work on AMO, you also need 2662
|
||||
* [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/
|
||||
lockPref("privacy.resistFingerprinting.block_mozAddonManager", true);
|
||||
/* 4504: enable letterboxing [FF67+]
|
||||
* Dynamically resizes the inner window by applying margins in stepped ranges [2]
|
||||
* If you use the dimension pref, then it will only apply those resolutions.
|
||||
* The format islockPref("width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000"
|
||||
* [SETUP-WEB] This is independent of RFP (4501. If you're not using RFP, or you are but
|
||||
* dislike the margins, then flip this pref, keeping in mind that it is effectively fingerprintable
|
||||
* [WARNING] DO NOT USE: the dimension pref is only meant for testing
|
||||
* [1] https://bugzilla.mozilla.org/1407366
|
||||
* [2] https://hg.mozilla.org/mozilla-central/rev/6d2d7856e468//l2.32 ***/
|
||||
lockPref("privacy.resistFingerprinting.letterboxing", true);// [HIDDEN PREF]
|
||||
//lockPref("privacy.resistFingerprinting.letterboxing.dimensions", "");# [HIDDEN PREF]
|
||||
/* 4505: disable RFP by domain [FF91+] ***/
|
||||
//lockPref("privacy.resistFingerprinting.exemptedDomains", "*.example.invalid");
|
||||
/* 4506: disable RFP spoof english prompt [FF59+]
|
||||
* 0=prompt, 1=disabled, 2=enabled
|
||||
* [NOTE] When changing from value 2, preferred languages ('intl.accept_languages' is not reset.
|
||||
* [SETUP-WEB] when enabled, sets 'en-US, en' for displaying pages and 'en-US' as locale.
|
||||
* [SETTING] General>Language>Choose your preferred language for displaying pages>Choose>Request English... ***/
|
||||
//"privacy.spoof_english", 1);
|
||||
/* 4510: disable using system colors
|
||||
* [SETTING] General>Language and Appearance>Fonts and Colors>Colors>Use system colors ***/
|
||||
lockPref("browser.display.use_system_colors", false); // [DEFAULT: false NON-WINDOWS]
|
||||
/* 4512: enforce links targeting new windows to open in a new tab instead
|
||||
* 1=most recent window or tab, 2=new window, 3=new tab
|
||||
* Stops malicious window sizes and some screen resolution leaks.
|
||||
* You can still right-click a link and open in a new window
|
||||
* [SETTING] General>Tabs>Open links in tabs instead of new windows
|
||||
* [TEST] https://arkenfox.github.io/TZP/tzp.html//screen
|
||||
* [1] https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/9881 ***/
|
||||
lockPref("browser.link.open_newwindow", 3); // [DEFAULT: 3]
|
||||
/* 4513: set all open window methods to abide bylockPref("browser.link.open_newwindow" (4512
|
||||
* [1] https://searchfox.org/mozilla-central/source/dom/tests/browser/browser_test_new_window_from_content.js ***/
|
||||
lockPref("browser.link.open_newwindow.restriction", 0);
|
||||
/* 4520: disable WebGL (Web Graphics Library ***/
|
||||
lockPref("webgl.disabled", true);
|
||||
|
||||
/*** [SECTION 5000]: OPTIONAL OPSEC
|
||||
Disk avoidance, application data isolation, eyeballs...
|
||||
***/
|
||||
/* 5001: start Firefox in PB (Private Browsing mode
|
||||
* [NOTE] In this mode all windows arelockPref("private windows" and the PB mode icon is not displayed
|
||||
* [NOTE] The P in PB mode can be misleading: it means nolockPref("persistent" disk state such as history,
|
||||
* caches, searches, cookies, localStorage, IndexedDB etc (which you can achieve in normal mode.
|
||||
* In fact, PB mode limits or removes the ability to control some of these, and you need to quit
|
||||
* Firefox to clear them. PB is best used as a one off window (Menu>New Private Window to provide
|
||||
* a temporary self-contained new session. Close all private windows to clear the PB session.
|
||||
* [SETTING] Privacy & Security>History>Custom Settings>Always use private browsing mode
|
||||
* [1] https://wiki.mozilla.org/Private_Browsing
|
||||
* [2] https://support.mozilla.org/kb/common-myths-about-private-browsing ***/
|
||||
//lockPref("browser.privatebrowsing.autostart", true);
|
||||
/* 5002: disable memory cache
|
||||
* capacity: -1=determine dynamically (default, 0=none, n=memory capacity in kibibytes ***/
|
||||
//lockPref("browser.cache.memory.enable", false);
|
||||
//lockPref("browser.cache.memory.capacity", 0);
|
||||
/* 5003: disable saving passwords
|
||||
* [NOTE] This does not clear any passwords already saved
|
||||
* [SETTING] Privacy & Security>Logins and Passwords>Ask to save logins and passwords for websites ***/
|
||||
//lockPref("signon.rememberSignons", false);
|
||||
/* 5004: disable permissions manager from writing to disk [FF41+] [RESTART]
|
||||
* [NOTE] This means any permission changes are session only
|
||||
* [1] https://bugzilla.mozilla.org/967812 ***/
|
||||
lockPref("permissions.memory_only", true);// [HIDDEN PREF]
|
||||
/* 5005: disable intermediate certificate caching [FF41+] [RESTART]
|
||||
* [NOTE] This affects login/cert/key dbs. The effect is all credentials are session-only.
|
||||
* Saved logins and passwords are not available. Reset the pref and restart to return them ***/
|
||||
//lockPref("security.nocertdb", true);
|
||||
/* 5006: disable favicons in history and bookmarks
|
||||
* [NOTE] Stored as data blobs in favicons.sqlite, these don't reveal anything that your
|
||||
* actual history (and bookmarks already do. Your history is more detailed, so
|
||||
* control that instead); e.g. disable history, clear history on exit, use PB mode
|
||||
* [NOTE] favicons.sqlite is sanitized on Firefox close ***/
|
||||
//lockPref("browser.chrome.site_icons", false);
|
||||
/* 5007: excludelockPref("Undo Closed Tabs" in Session Restore ***/
|
||||
//lockPref("browser.sessionstore.max_tabs_undo", 0);
|
||||
/* 5008: disable resuming session from crash
|
||||
* [TEST] about:crashparent ***/
|
||||
lockPref("browser.sessionstore.resume_from_crash", false);
|
||||
/* 5009: disablelockPref("open with" in download dialog [FF50+]
|
||||
* Application data isolation [1]
|
||||
* [1] https://bugzilla.mozilla.org/1281959 ***/
|
||||
lockPref("browser.download.forbid_open_with", true);
|
||||
/* 5010: disable location bar suggestion types
|
||||
* [SETTING] Search>Address Bar>When using the address bar, suggest ***/
|
||||
lockPref("browser.urlbar.suggest.history", false);
|
||||
//lockPref("browser.urlbar.suggest.bookmark", false);
|
||||
//lockPref("browser.urlbar.suggest.openpage", false);
|
||||
//lockPref("browser.urlbar.suggest.topsites", false);# [FF78+]
|
||||
/* 5011: disable location bar dropdown
|
||||
* This value controls the total number of entries to appear in the location bar dropdown ***/
|
||||
//lockPref("browser.urlbar.maxRichResults", 0);
|
||||
/* 5012: disable location bar autofill
|
||||
* [1] https://support.mozilla.org/kb/address-bar-autocomplete-firefox//w_url-autocomplete ***/
|
||||
//lockPref("browser.urlbar.autoFill", false);
|
||||
/* 5013: disable browsing and download history
|
||||
* [NOTE] We also clear history and downloads on exit (2811
|
||||
* [SETTING] Privacy & Security>History>Custom Settings>Remember browsing and download history ***/
|
||||
lockPref("places.history.enabled", false);
|
||||
/* 5014: disable Windows jumplist [WINDOWS] ***/
|
||||
//lockPref("browser.taskbar.lists.enabled", false);
|
||||
//lockPref("browser.taskbar.lists.frequent.enabled", false);
|
||||
//lockPref("browser.taskbar.lists.recent.enabled", false);
|
||||
//lockPref("browser.taskbar.lists.tasks.enabled", false);
|
||||
/* 5016: discourage downloading to desktop
|
||||
* 0=desktop, 1=downloads (default, 2=custom
|
||||
* [SETTING] To set your custom defaultlockPref("downloads": General>Downloads>Save files to ***/
|
||||
//lockPref("browser.download.folderList", 2);
|
||||
/* 5017: disable Form Autofill
|
||||
* If .supportedCountries includes your region (browser.search.region and .supported
|
||||
* islockPref("detect" (default, then the UI will show. Stored data is not secure, uses JSON
|
||||
* [SETTING] Privacy & Security>Forms and Autofill>Autofill addresses
|
||||
* [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/
|
||||
//lockPref("extensions.formautofill.addresses.enabled", false);# [FF55+]
|
||||
//lockPref("extensions.formautofill.creditCards.enabled", false);# [FF56+]
|
||||
/* 5018: limit events that can cause a pop-up ***/
|
||||
//lockPref("dom.popup_allowed_events", "click dblclick mousedown pointerdown");
|
||||
/* 5019: disable page thumbnail collection ***/
|
||||
//lockPref("browser.pagethumbnails.capturing_disabled", true);# [HIDDEN PREF]
|
||||
/* 5020: disable Windows native notifications and use app notications instead [FF111+] [WINDOWS] ***/
|
||||
//lockPref("alerts.useSystemBackend.windows.notificationserver.enabled", false);
|
||||
/* 5021: disable location bar using search
|
||||
* Don't leak URL typos to a search engine, give an error message instead
|
||||
* Examples:lockPref("secretplace,com", "secretplace/com", "secretplace com", "secret place.com"
|
||||
* [NOTE] This does not affect explicit user action such as using search buttons in the
|
||||
* dropdown, or using keyword search shortcuts you configure in options (e.g.lockPref("d" for DuckDuckGo ***/
|
||||
//lockPref("keyword.enabled", false);
|
||||
|
||||
/*** [SECTION 5500]: OPTIONAL HARDENING
|
||||
Not recommended. Overriding these can cause breakage and performance issues,
|
||||
they are mostly fingerprintable, and the threat model is practically nonexistent
|
||||
***/
|
||||
/* 5501: disable MathML (Mathematical Markup Language [FF51+]
|
||||
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=mathml ***/
|
||||
//lockPref("mathml.disabled", true);# 1173199
|
||||
/* 5502: disable in-content SVG (Scalable Vector Graphics [FF53+]
|
||||
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+svg ***/
|
||||
//lockPref("svg.disabled", true);# 1216893
|
||||
/* 5503: disable graphite
|
||||
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+graphite
|
||||
* [2] https://en.wikipedia.org/wiki/Graphite_(SIL ***/
|
||||
//lockPref("gfx.font_rendering.graphite.enabled", false);
|
||||
/* 5504: disable asm.js [FF22+]
|
||||
* [1] http://asmjs.org/
|
||||
* [2] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=asm.js
|
||||
* [3] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/
|
||||
//lockPref("javascript.options.asmjs", false);
|
||||
/* 5505: disable Ion and baseline JIT to harden against JS exploits [RESTART]
|
||||
* [NOTE] When both Ion and JIT are disabled, and trustedprincipals
|
||||
* is enabled, then Ion can still be used by extensions (1599226
|
||||
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=firefox+jit
|
||||
* [2] https://microsoftedge.github.io/edgevr/posts/Super-Duper-Secure-Mode/ ***/
|
||||
//lockPref("javascript.options.ion", false);
|
||||
//lockPref("javascript.options.baselinejit", false);
|
||||
//lockPref("javascript.options.jit_trustedprincipals", true);# [FF75+] [HIDDEN PREF]
|
||||
/* 5506: disable WebAssembly [FF52+]
|
||||
* Vulnerabilities [1] have increasingly been found, including those known and fixed
|
||||
* in native programs years ago [2]. WASM has powerful low-level access, making
|
||||
* certain attacks (brute-force and vulnerabilities more possible
|
||||
* [STATS] ~0.2% of websites, about half of which are for cryptomining / malvertising [2][3]
|
||||
* [1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=wasm
|
||||
* [2] https://spectrum.ieee.org/tech-talk/telecom/security/more-worries-over-the-security-of-web-assembly
|
||||
* [3] https://www.zdnet.com/article/half-of-the-websites-using-webassembly-use-it-for-malicious-purposes ***/
|
||||
lockPref("javascript.options.wasm", false);
|
||||
/* 5507: disable rendering of SVG OpenType fonts ***/
|
||||
//lockPref("gfx.font_rendering.opentype_svg.enabled", false);
|
||||
/* 5508: disable all DRM content (EME: Encryption Media Extension
|
||||
* Optionally hide the UI setting which also disables the DRM prompt
|
||||
* [SETTING] General>DRM Content>Play DRM-controlled content
|
||||
* [TEST] https://bitmovin.com/demos/drm
|
||||
* [1] 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 ***/
|
||||
//lockPref("media.eme.enabled", false);
|
||||
//lockPref("browser.eme.ui.enabled", false);
|
||||
/* 5509: disable IPv6 if using a VPN
|
||||
* This is an application level fallback. Disabling IPv6 is best done at an OS/network
|
||||
* level, and/or configured properly in system wide VPN setups.
|
||||
* [NOTE] PHP defaults to IPv6 withlockPref("localhost". Use "php -S 127.0.0.1:PORT"
|
||||
* [SETUP-WEB] PR_CONNECT_RESET_ERROR
|
||||
* [TEST] https://ipleak.org/
|
||||
* [1] https://www.internetsociety.org/tag/ipv6-security/ (Myths 2,4,5,6 ***/
|
||||
//lockPref("network.dns.disableIPv6", true);
|
||||
/* 5510: control when to send a cross-origin referer
|
||||
* 0=always (default, 1=only if base domains match, 2=only if hosts match
|
||||
* [NOTE] Will cause breakage: older modems/routers and some sites e.g banks, vimeo, icloud, instagram ***/
|
||||
//lockPref("network.http.referer.XOriginPolicy", 2);
|
||||
/* 5511: set DoH bootstrap address [FF89+]
|
||||
* Firefox uses the system DNS to initially resolve the IP address of your DoH server.
|
||||
* When set to a valid, working value that matches yourlockPref("network.trr.uri" (0712 Firefox
|
||||
* won't use the system DNS. If the IP doesn't match then DoH won't work ***/
|
||||
//lockPref("network.trr.bootstrapAddr", "10.0.0.1");# [HIDDEN PREF]
|
||||
|
||||
/*** [SECTION 6000]: DON'T TOUCH ***/
|
||||
/* 6001: enforce Firefox blocklist
|
||||
* [WHY] It includes updates forlockPref("revoked certificates"
|
||||
* [1] https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl/ ***/
|
||||
lockPref("extensions.blocklist.enabled", true); // [DEFAULT: true]
|
||||
/* 6002: enforce no referer spoofing
|
||||
* [WHY] Spoofing can affect CSRF (Cross-Site Request Forgery protections ***/
|
||||
lockPref("network.http.referer.spoofSource", false); // [DEFAULT: false]
|
||||
/* 6004: enforce a security delay on some confirmation dialogs such as install, open/save
|
||||
* [1] https://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/
|
||||
lockPref("security.dialog_enable_delay", 1000); // [DEFAULT: 1000]
|
||||
/* 6008: enforce no First Party Isolation [FF51+]
|
||||
* [WARNING] Replaced with network partitioning (FF85+ and TCP (2701), and enabling FPI
|
||||
* disables those. FPI is no longer maintained except at Tor Project for Tor Browser's config ***/
|
||||
lockPref("privacy.firstparty.isolate", false); // [DEFAULT: false]
|
||||
/* 6009: enforce SmartBlock shims (about:compat [FF81+]
|
||||
* [1] https://blog.mozilla.org/security/2021/03/23/introducing-smartblock/ ***/
|
||||
lockPref("extensions.webcompat.enable_shims", true); // [HIDDEN PREF] [DEFAULT: true]
|
||||
/* 6010: enforce no TLS 1.0/1.1 downgrades
|
||||
* [TEST] https://tls-v1-1.badssl.com:1010/ ***/
|
||||
lockPref("security.tls.version.enable-deprecated", false); // [DEFAULT: false]
|
||||
/* 6011: enforce disabling of Web Compatibility Reporter [FF56+]
|
||||
* Web Compatibility Reporter adds alockPref("Report Site Issue" button to send data to Mozilla
|
||||
* [WHY] To prevent wasting Mozilla's time with a custom setup ***/
|
||||
lockPref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false]
|
||||
/* 6012: enforce Quarantined Domains [FF115+]
|
||||
* [WHY] https://support.mozilla.org/kb/quarantined-domains */
|
||||
lockPref("extensions.quarantinedDomains.enabled", true); // [DEFAULT: true]
|
||||
/* 6050: prefsCleaner: previously active items removed from arkenfox 115-127 ***/
|
||||
//lockPref("accessibility.force_disabled", "");
|
||||
//lockPref("browser.urlbar.dnsResolveSingleWordsAfterSearch", "");
|
||||
//lockPref("geo.provider.network.url", "");
|
||||
//lockPref("geo.provider.network.logging.enabled", "");
|
||||
//lockPref("geo.provider.use_gpsd", "");
|
||||
//lockPref("network.protocol-handler.external.ms-windows-store", "");
|
||||
//lockPref("privacy.partition.always_partition_third_party_non_cookie_storage", "");
|
||||
//lockPref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage", "");
|
||||
//lockPref("privacy.partition.serviceWorkers", "");
|
||||
|
||||
/*** [SECTION 7000]: DON'T BOTHER ***/
|
||||
/* 7001: disable APIs
|
||||
* Location-Aware Browsing, Full Screen
|
||||
* [WHY] The API state is easily fingerprintable.
|
||||
* Geo is behind a prompt (7002. Full screen requires user interaction ***/
|
||||
//lockPref("geo.enabled", false);
|
||||
//lockPref("full-screen-api.enabled", false);
|
||||
/* 7002: set default permissions
|
||||
* Location, Camera, Microphone, Notifications [FF58+] Virtual Reality [FF73+]
|
||||
* 0=always ask (default, 1=allow, 2=block
|
||||
* [WHY] These are fingerprintable via Permissions API, except VR. Just add site
|
||||
* exceptions as allow/block for frequently visited/annoying sites: i.e. not global
|
||||
* [SETTING] to add site exceptions: Ctrl+I>Permissions>
|
||||
* [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Settings ***/
|
||||
//lockPref("permissions.default.geo", 0);
|
||||
//lockPref("permissions.default.camera", 0);
|
||||
//lockPref("permissions.default.microphone", 0);
|
||||
//lockPref("permissions.default.desktop-notification", 0);
|
||||
//lockPref("permissions.default.xr", 0);# Virtual Reality
|
||||
/* 7003: disable non-modern cipher suites [1]
|
||||
* [WHY] Passive fingerprinting. Minimal/non-existent threat of downgrade attacks
|
||||
* [1] https://browserleaks.com/ssl ***/
|
||||
//lockPref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
|
||||
//lockPref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
|
||||
//lockPref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
|
||||
//lockPref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
|
||||
//lockPref("security.ssl3.rsa_aes_128_gcm_sha256", false);# no PFS
|
||||
//lockPref("security.ssl3.rsa_aes_256_gcm_sha384", false);# no PFS
|
||||
//lockPref("security.ssl3.rsa_aes_128_sha", false);# no PFS
|
||||
//lockPref("security.ssl3.rsa_aes_256_sha", false);# no PFS
|
||||
/* 7004: control TLS versions
|
||||
* [WHY] Passive fingerprinting and security ***/
|
||||
//lockPref("security.tls.version.min", 3);# [DEFAULT: 3]
|
||||
//lockPref("security.tls.version.max", 4);
|
||||
/* 7005: disable SSL session IDs [FF36+]
|
||||
* [WHY] Passive fingerprinting and perf costs. These are session-only
|
||||
* and isolated with network partitioning (FF85+ and/or containers ***/
|
||||
//lockPref("security.ssl.disable_session_identifiers", true);
|
||||
/* 7006: onions
|
||||
* [WHY] Firefox doesn't support hidden services. Use Tor Browser ***/
|
||||
//lockPref("dom.securecontext.allowlist_onions", true);# [FF97+] 1382359/1744006
|
||||
//lockPref("network.http.referer.hideOnionSource", true);# 1305144
|
||||
/* 7007: referers
|
||||
* [WHY] Only cross-origin referers (1602, 5510 matter ***/
|
||||
//lockPref("network.http.sendRefererHeader", 2);
|
||||
//lockPref("network.http.referer.trimmingPolicy", 0);
|
||||
/* 7008: set the default Referrer Policy [FF59+]
|
||||
* 0=no-referer, 1=same-origin, 2=strict-origin-when-cross-origin, 3=no-referrer-when-downgrade
|
||||
* [WHY] Defaults are fine. They can be overridden by a site-controlled Referrer Policy ***/
|
||||
//lockPref("network.http.referer.defaultPolicy", 2);# [DEFAULT: 2]
|
||||
//lockPref("network.http.referer.defaultPolicy.pbmode", 2);# [DEFAULT: 2]
|
||||
/* 7010: disable HTTP Alternative Services [FF37+]
|
||||
* [WHY] Already isolated with network partitioning (FF85+ ***/
|
||||
//lockPref("network.http.altsvc.enabled", false);
|
||||
/* 7011: disable website control over browser right-click context menu
|
||||
* [WHY] Just use Shift-Right-Click ***/
|
||||
//lockPref("dom.event.contextmenu.enabled", false);
|
||||
/* 7012: disable icon fonts (glyphs and local fallback rendering
|
||||
* [WHY] Breakage, font fallback is equivalency, also RFP
|
||||
* [1] https://bugzilla.mozilla.org/789788
|
||||
* [2] https://gitlab.torproject.org/legacy/trac/-/issues/8455 ***/
|
||||
//lockPref("gfx.downloadable_fonts.enabled", false);# [FF41+]
|
||||
//lockPref("gfx.downloadable_fonts.fallback_delay", -1);
|
||||
/* 7013: disable Clipboard API
|
||||
* [WHY] Fingerprintable. Breakage. Cut/copy/paste require user
|
||||
* interaction, and paste is limited to focused editable fields ***/
|
||||
//lockPref("dom.event.clipboardevents.enabled", false);
|
||||
/* 7014: disable System Add-on updates
|
||||
* [WHY] It can compromise security. System addons ship with prefs, use those ***/
|
||||
//lockPref("extensions.systemAddon.update.enabled", false);# [FF62+]
|
||||
//lockPref("extensions.systemAddon.update.url", "");# [FF44+]
|
||||
/* 7015: enable the DNT (Do Not Track HTTP header
|
||||
* [WHY] DNT is enforced with Tracking Protection which is used in ETP Strict (2701 ***/
|
||||
//lockPref("privacy.donottrackheader.enabled", true);
|
||||
/* 7016: customize ETP settings
|
||||
* [NOTE] FPP (fingerprintingProtection is ignored when RFP (4501) is enabled
|
||||
* [WHY] Arkenfox only supports strict (2701 which sets these at runtime ***/
|
||||
//lockPref("network.cookie.cookieBehavior", 5);# [DEFAULT: 5]
|
||||
//lockPref("privacy.fingerprintingProtection", true);# [FF114+] [ETP FF119+]
|
||||
//lockPref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
|
||||
//lockPref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true);# [FF100+]
|
||||
//lockPref("privacy.partition.network_state.ocsp_cache", true);# [DEFAULT: true FF123+]
|
||||
//lockPref("privacy.query_stripping.enabled", true);# [FF101+]
|
||||
//lockPref("privacy.trackingprotection.enabled", true);
|
||||
//lockPref("privacy.trackingprotection.socialtracking.enabled", true);
|
||||
//lockPref("privacy.trackingprotection.cryptomining.enabled", true);# [DEFAULT: true]
|
||||
//lockPref("privacy.trackingprotection.fingerprinting.enabled", true);# [DEFAULT: true]
|
||||
/* 7017: disable service workers
|
||||
* [WHY] Already isolated with TCP (2701 behind a pref (2710) ***/
|
||||
//lockPref("dom.serviceWorkers.enabled", false);
|
||||
/* 7018: disable Web Notifications [FF22+]
|
||||
* [WHY] Web Notifications are behind a prompt (7002
|
||||
* [1] https://blog.mozilla.org/en/products/firefox/block-notification-requests/ ***/
|
||||
//lockPref("dom.webnotifications.enabled", false);
|
||||
/* 7019: disable Push Notifications [FF44+]
|
||||
* [WHY] WebsitelockPref("push" requires subscription, and the API is required for CRLite (1224
|
||||
* [NOTE] To remove all subscriptions, resetlockPref("dom.push.userAgentID"
|
||||
* [1] https://support.mozilla.org/kb/push-notifications-firefox ***/
|
||||
//lockPref("dom.push.enabled", false);
|
||||
/* 7020: disable WebRTC (Web Real-Time Communication
|
||||
* [WHY] Firefox desktop uses mDNS hostname obfuscation and the private IP is never exposed until
|
||||
* required in TRUSTED scenarios); i.e. after you grant device (microphone or camera access
|
||||
* [TEST] https://browserleaks.com/webrtc
|
||||
* [1] https://groups.google.com/g/discuss-webrtc/c/6stQXi72BEU/m/2FwZd24UAQAJ
|
||||
* [2] https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-mdns-ice-candidates//section-3.1.1 ***/
|
||||
//lockPref("media.peerconnection.enabled", false);
|
||||
/* 7021: enable GPC (Global Privacy Control in non-PB windows
|
||||
* [WHY] Passive and active fingerprinting. Mostly redundant with Tracking Protection
|
||||
* in ETP Strict (2701 and sanitizing on close (2800s) ***/
|
||||
//lockPref("privacy.globalprivacycontrol.enabled", true);
|
||||
|
||||
/*** [SECTION 8000]: DON'T BOTHER: FINGERPRINTING
|
||||
[WHY] They are insufficient to help anti-fingerprinting and do more harm than good
|
||||
[WARNING] DO NOT USE with RFP. RFP already covers these and they can interfere
|
||||
***/
|
||||
/* 8001: prefsCleaner: reset items useless for anti-fingerprinting ***/
|
||||
//lockPref("browser.display.use_document_fonts", "");
|
||||
//lockPref("browser.zoom.siteSpecific", "");
|
||||
//lockPref("device.sensors.enabled", "");
|
||||
//lockPref("dom.enable_performance", "");
|
||||
//lockPref("dom.enable_resource_timing", "");
|
||||
//lockPref("dom.gamepad.enabled", "");
|
||||
//lockPref("dom.maxHardwareConcurrency", "");
|
||||
//lockPref("dom.w3c_touch_events.enabled", "");
|
||||
//lockPref("dom.webaudio.enabled", "");
|
||||
//lockPref("font.system.whitelist", "");
|
||||
//lockPref("general.appname.override", "");
|
||||
//lockPref("general.appversion.override", "");
|
||||
//lockPref("general.buildID.override", "");
|
||||
//lockPref("general.oscpu.override", "");
|
||||
//lockPref("general.platform.override", "");
|
||||
//lockPref("general.useragent.override", "");
|
||||
//lockPref("media.navigator.enabled", "");
|
||||
//lockPref("media.ondevicechange.enabled", "");
|
||||
//lockPref("media.video_stats.enabled", "");
|
||||
//lockPref("media.webspeech.synth.enabled", "");
|
||||
//lockPref("ui.use_standins_for_native_colors", "");
|
||||
//lockPref("webgl.enable-debug-renderer-info", "");
|
||||
|
||||
/*** [SECTION 9000]: NON-PROJECT RELATED ***/
|
||||
/* 9001: disable welcome notices ***/
|
||||
lockPref("browser.startup.homepage_override.mstone", "ignore"); // [HIDDEN PREF]
|
||||
/* 9002: disable General>Browsing>Recommend extensions/features as you browse [FF67+] ***/
|
||||
lockPref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
|
||||
lockPref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
|
||||
/* 9004: disable search terms [FF110+]
|
||||
* [SETTING] Search>Search Bar>Use the address bar for search and navigation>Show search terms instead of URL... ***/
|
||||
lockPref("browser.urlbar.showSearchTerms.enabled", false);
|
||||
'';
|
||||
programs.firefox.preferences = {
|
||||
"sidebar.revamp" = true;
|
||||
"sidebar.verticalTabs" = true;
|
||||
};
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue