diff --git a/.gitignore b/.gitignore index 639fa65..8979234 100644 --- a/.gitignore +++ b/.gitignore @@ -2,5 +2,4 @@ pkg src *.pkg.tar.xz noarch -*.rpm -user.js +*.rpm \ No newline at end of file diff --git a/LICENSE b/LICENSE index 5ad882e..2d6a8b2 100644 --- a/LICENSE +++ b/LICENSE @@ -1,4 +1,4 @@ -Copyright (c) 2017-2018 Divested Computing, Inc. +Copyright (c) 2017-2019 Divested Computing, Inc. GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 diff --git a/PKGBUILD b/PKGBUILD index baf653c..3fb4561 100644 --- a/PKGBUILD +++ b/PKGBUILD @@ -1,7 +1,7 @@ # Maintainer: Tad pkgname=brace -pkgver=2.8 -pkgrel=4 +pkgver=3.0 +pkgrel=3 pkgdesc="Increases privacy/security through various configs. Firefox hardening credit: @pyllyukko" arch=('any') license=('GPLv3') @@ -27,8 +27,10 @@ source=('00-brace-gnome' 'iwlwifi.conf' 'dnu.service' 'brace-helpers.sh' - 'user.js.sh' - 'https://raw.githubusercontent.com/pyllyukko/user.js/master/user.js') + 'userjs-brace.js' + 'userjs-brace-perf.js' + 'userjs-ghacks.js' + 'userjs-pyllyukko.js') sha512sums=('72d4c3aabcc29d705b85a6591029d860ba1e22f52f2150710bf111770392a3c70162451722f479ce9c84f917ffee5151dc7b959a55a84a2d5cffa043383b502f' 'a1d7c0dd18c53eb4cb54ab7851746e69695fc75e22ee7f43a415c86b5dbe9080cac33ee9dddb6d104027f9b7ad0899625a01fa1ae207a4b54410b7c9feaafd45' '24616a6133608301d3c4016f2667bdf6982ab3f99ac231b5588bcb220545d992e3fcc97cceafd674f7b4ba00d5747f3f4d25da54130a1ff817d752ba6b93bf98' @@ -44,14 +46,12 @@ sha512sums=('72d4c3aabcc29d705b85a6591029d860ba1e22f52f2150710bf111770392a3c7016 'c07d4f5d591a07db530deb77065e488e788fd964c081c2859cee07cb0820c69ab8236b8713425c77b47a75435907643cd9a021719f7389c09b20787df1b0860b' '2bb7c4306b94687583caf5db2a8c384ffeeedcbaba72acc96a686e91a49c48e7b73a34e2dba74f8532d59ee250560fc6bf819e1308e37d9028d2138297d18b94' '234d146b76e1ca572d856ba837848842ceced658a547ac058fd9bbcf5f04ac696756608339209b20b97956f80814b9393207dffddc109abda15ca6f98bb0e756' - 'ecd423b428e72446d59bd8720d7cc324269da7ee9fd8e0ea04259ec5d1d4dd30efe9b8128c28c061af45e4ceb17e69a0871108c717db336b6583e43f082e427f' - 'ab2d257c6023db09d1e460ba08d5336ae487cf4a5100fa5c45d9cbae904085a58c68ffafe138c6b7fb094fcf64d8cb685c58cb03bd401440aaf4c31b336a91e3') + '7479e4f001e572c3625b1a21811cdbb1b269cfaa8f816e2ecbac9b4950b0cb91f3ad1a476405b43ccd5d38a99c051b0e609fd93cab6e3f9400002748983df2f4' + 'a0999164d4031a04ce10db848ea944b2db734f08dcf3554bfb6d651305cde95f852b46e3aea2cc4f1468a0a6c07c06623f0e925d025fdee848f122f412ee951a' + '577a40362f9ecb3e60c8a84b7f5c1db127953c91be323a682dfa17b2ecfd320fd9e2700e54378a026ec96141394628a13aaa7c9652fbd2c79d2d1bfa384b75fc' + '09f4b6507de79c9f4276bbf57dca88069bf2ed0f95c0fa1e5091063e897679bd99b40f30afb23226cf6b985ea4f95668294583d1bd8f919fae5578179ec6c3a4') install=brace.install -build() { - sh user.js.sh user.js; -} - package() { cd "$srcdir" install -Dm644 00-brace-gnome "$pkgdir"/etc/dconf/db/local.d/00-brace-gnome @@ -69,8 +69,8 @@ package() { install -Dm644 30-mac-randomization.conf "$pkgdir"/usr/lib/NetworkManager/conf.d/30-mac-randomization.conf install -Dm644 60-restrict.conf "$pkgdir"/usr/lib/sysctl.d/60-restrict.conf install -Dm644 dnu.service "$pkgdir"/usr/lib/systemd/system/dnu.service - install -Dm644 user.js "$pkgdir"/usr/lib/firefox/browser/defaults/preferences/all-brace.js - install -Dm644 user.js "$pkgdir"/usr/lib/firefox-developer-edition/browser/defaults/preferences/all-brace.js - install -Dm644 user.js "$pkgdir"/usr/lib/icecat/browser/defaults/preferences/all-brace.js - install -Dm644 user.js "$pkgdir"/usr/lib/thunderbird/defaults/preferences/all-brace.js + mkdir -p "$pkgdir"/usr/lib/firefox/browser/defaults/preferences/ + install -Dm644 userjs-*.js "$pkgdir"/usr/lib/firefox/browser/defaults/preferences/ + mkdir -p "$pkgdir"/usr/lib/thunderbird/defaults/preferences/ + install -Dm644 userjs-*.js "$pkgdir"/usr/lib/thunderbird/defaults/preferences/ } diff --git a/README b/README index 428541f..3d79c02 100644 --- a/README +++ b/README @@ -27,20 +27,17 @@ Installed dnu.service = kernel: systemd target to toggle linux-hardened's deny_new_usb sysctl helpers.sh = profile: adds helper aliases iwlwifi.sh = kernel: iwlwifi: enables link aggregation for increased performance - user.js = Firefox: change default settings -Unused - umask.sh = profile: sets umask 077 - uBlock0@raymondhill.net.json = Firefox: uBlock Origin: change default settings + userjs-*.js = Firefox: change default settings Package Creation brace.install = pacman helper script brace.spec = RPM specfile PKGBUILD = pacman PKGBUILD - user.js.sh = applies changes to user.js Repository Necessaries LICENSE README Credits ------- -dnu.service - lizzie - UNKNOWN - https://blog.lizzie.io/preventing-usb-attacks-with-grsecurity.html -user.js - @pyllyukko - MIT - https://github.com/pyllyukko/user.js +dnu.service - lizzie - UNKNOWN - https://blog.lizzie.io/preventing-usb-attacks-with-grsecurity.html +userjs-ghacks.js - ghacks - MIT - https://github.com/ghacksuserjs/ghacks-user.js +userjs-pyllyukko.js - @pyllyukko - MIT - https://github.com/pyllyukko/user.js diff --git a/brace.spec b/brace.spec index c630c8b..6bb19f2 100644 --- a/brace.spec +++ b/brace.spec @@ -1,6 +1,6 @@ Name: brace -Version: 2.8 -Release: 4 +Version: 3.0 +Release: 3 Summary: Increases privacy/security through various configs. License: GPLv3+ BuildArch: noarch @@ -49,13 +49,10 @@ install -Dm644 iwlwifi.conf %{buildroot}/usr/lib/modprobe.d/iwlwifi.conf install -Dm644 21-disable-connectivity-check.conf %{buildroot}/usr/lib/NetworkManager/conf.d/21-disable-connectivity-check.conf install -Dm644 30-mac-randomization.conf %{buildroot}/usr/lib/NetworkManager/conf.d/30-mac-randomization.conf install -Dm644 60-restrict.conf %{buildroot}/usr/lib/sysctl.d/60-restrict.conf -install -Dm644 user.js %{buildroot}/usr/lib64/firefox/browser/defaults/preferences/all-brace.js; -install -Dm644 user.js %{buildroot}/usr/lib64/icecat/browser/defaults/preferences/all-brace.js; -install -Dm644 user.js %{buildroot}/usr/lib64/thunderbird/defaults/pref/all-brace.js; - -sh user.js.sh %{buildroot}/usr/lib64/firefox/browser/defaults/preferences/all-brace.js; -sh user.js.sh %{buildroot}/usr/lib64/icecat/browser/defaults/preferences/all-brace.js; -sh user.js.sh %{buildroot}/usr/lib64/thunderbird/defaults/pref/all-brace.js; +mkdir -p %{buildroot}/usr/lib64/firefox/browser/defaults/preferences/; +install -Dm644 userjs-*.js %{buildroot}/usr/lib64/firefox/browser/defaults/preferences/; +mkdir -p %{buildroot}/usr/lib64/thunderbird/defaults/pref/; +install -Dm644 userjs-*.js %{buildroot}/usr/lib64/thunderbird/defaults/pref/; %files /etc/dconf/db/local.d/00-brace-gnome @@ -79,6 +76,5 @@ sh user.js.sh %{buildroot}/usr/lib64/thunderbird/defaults/pref/all-brace.js; /usr/lib/NetworkManager/conf.d/21-disable-connectivity-check.conf /usr/lib/NetworkManager/conf.d/30-mac-randomization.conf /usr/lib/sysctl.d/60-restrict.conf -/usr/lib64/firefox/browser/defaults/preferences/all-brace.js -/usr/lib64/icecat/browser/defaults/preferences/all-brace.js -/usr/lib64/thunderbird/defaults/pref/all-brace.js +/usr/lib64/firefox/browser/defaults/preferences/userjs-*.js +/usr/lib64/thunderbird/defaults/pref/userjs-*.js diff --git a/umask.sh b/umask.sh deleted file mode 100644 index 08b18ee..0000000 --- a/umask.sh +++ /dev/null @@ -1 +0,0 @@ -umask 077 diff --git a/user.js.sh b/user.js.sh deleted file mode 100644 index fb5179f..0000000 --- a/user.js.sh +++ /dev/null @@ -1,91 +0,0 @@ -#!/bin/bash - -userjs=$1; - -#Mark preferences properly -sed -i 's/user_pref(/pref(/' $userjs; - -#Disable some aggressive preferences -sed -i 's/pref("dom.serviceWorkers.enabled"/\/\/BRACE-DISABLED: pref("dom.serviceWorkers.enabled"/' $userjs; -sed -i 's/pref("dom.workers.enabled"/\/\/BRACE-DISABLED: pref("dom.workers.enabled"/' $userjs; -sed -i 's/pref("dom.allow_cut_copy"/\/\/BRACE-DISABLED: pref("dom.allow_cut_copy"/' $userjs; -sed -i 's/pref("keyword.enabled"/\/\/BRACE-DISABLED: pref("keyword.enabled"/' $userjs; -sed -i 's/pref("svg.disabled"/\/\/BRACE-DISABLED: pref("svg.disabled"/' $userjs; -sed -i 's/pref("browser.display.use_document_fonts"/\/\/BRACE-DISABLED: pref("browser.display.use_document_fonts"/' $userjs; -sed -i 's/pref("pdfjs.disabled"/\/\/BRACE-DISABLED: pref("pdfjs.disabled"/' $userjs; -sed -i 's/pref("app.update.enabled"/\/\/BRACE-DISABLED: pref("app.update.enabled"/' $userjs; -sed -i 's/pref("browser.search.suggest.enabled"/\/\/BRACE-DISABLED: pref("browser.search.suggest.enabled"/' $userjs; -sed -i 's/pref("browser.urlbar.suggest.history"/\/\/BRACE-DISABLED: pref("browser.urlbar.suggest.history"/' $userjs; -sed -i 's/pref("browser.privatebrowsing.autostart"/\/\/BRACE-DISABLED: pref("browser.privatebrowsing.autostart"/' $userjs; -sed -i 's/pref("privacy.sanitize.sanitizeOnShutdown"/\/\/BRACE-DISABLED: pref("privacy.sanitize.sanitizeOnShutdown"/' $userjs; -sed -i 's/pref("places.history.enabled"/\/\/BRACE-DISABLED: pref("places.history.enabled"/' $userjs; -sed -i 's/pref("browser.cache.disk.enable"/\/\/BRACE-DISABLED: pref("browser.cache.disk.enable"/' $userjs; -sed -i 's/pref("browser.cache.disk_cache_ssl"/\/\/BRACE-DISABLED: pref("browser.cache.disk_cache_ssl"/' $userjs; -sed -i 's/pref("browser.download.manager.retention"/\/\/BRACE-DISABLED: pref("browser.download.manager.retention"/' $userjs; -sed -i 's/pref("signon.rememberSignons"/\/\/BRACE-DISABLED: pref("signon.rememberSignons"/' $userjs; -sed -i 's/pref("network.cookie.lifetimePolicy"/\/\/BRACE-DISABLED: pref("network.cookie.lifetimePolicy"/' $userjs; -sed -i 's/pref("browser.urlbar.autocomplete.enabled"/\/\/BRACE-DISABLED: pref("browser.urlbar.autocomplete.enabled"/' $userjs; -sed -i 's/pref("security.OCSP.enabled"/\/\/BRACE-DISABLED: pref("security.OCSP.enabled"/' $userjs; -sed -i 's/pref("security.OCSP.required"/\/\/BRACE-DISABLED: pref("security.OCSP.required"/' $userjs; - -#Fix https://github.com/pyllyukko/user.js/issues/347 -sed -i 's/pref("browser.cache.offline.enable"/\/\/DISABLED: pref("browser.cache.offline.enable"/' $userjs; - -#Fix https://github.com/pyllyukko/user.js/pull/355 -sed -i 's/en-US, en/data:text\/plain,intl.accept_languages=en-US, en/' $userjs; - - -#Add our extras -echo -e "\n" >> $userjs; -echo "//START OF BRACE EXTRAS" >> $userjs; - -##Look -echo 'pref("browser.tabs.drawInTitlebar", true);' >> $userjs; -echo 'pref("widget.allow-client-side-decoration", true);' >> $userjs; -echo 'pref("mailnews.start_page.enabled", false);' >> $userjs; -#echo 'pref("mail.SpellCheckBeforeSend", true);' >> $userjs; -echo 'pref("browser.ctrlTab.recentlyUsedOrder", false);' >> $userjs; - -##Mobile -#echo 'pref("browser.image_blocking", 2);' >> $userjs; #only load images over Wi-Fi - -##Performance -echo 'pref("general.smoothScroll", false);' >> $userjs; -echo 'pref("layers.acceleration.force-enabled", true);' >> $userjs; -echo 'pref("media.hardware-video-decoding.force-enabled", true);' >> $userjs; -echo 'pref("browser.tabs.remote.autostart", true);' >> $userjs; -echo 'pref("browser.tabs.remote.force-enabled", true);' >> $userjs; -echo 'pref("layers.omtp.enabled", true);' >> $userjs; -echo 'pref("gfx.webrenderer.enabled", true);' >> $userjs; -echo 'pref("extensions.webextensions.remote", true);' >> $userjs; - -##Privacy -echo 'pref("privacy.firstparty.isolate", true);' >> $userjs; -echo 'pref("privacy.firstparty.isolate.restrict_opener_access", true);' >> $userjs; -echo 'pref("extensions.screenshots.disabled", true);' >> $userjs; -echo 'pref("media.eme.enabled", false);' >> $userjs; -echo 'pref("general.useragent.updates.enabled", false);' >> $userjs; -echo 'pref("browser.snippets.updateUrl", "");' >> $userjs; -echo 'pref("browser.snippets.enabled", false);' >> $userjs; -echo 'pref("browser.snippets.syncPromo.enabled", false);' >> $userjs; -echo 'pref("browser.snippets.firstrunHomepage.enabled", false);' >> $userjs; -echo 'pref("dom.push.serverURL", "");' >> $userjs; -echo 'pref("dom.push.enabled", false);' >> $userjs; -echo 'pref("plugin.expose_full_path", false);' >> $userjs; -echo 'pref("browser.link.open_newwindow_restriction", true);' >> $userjs; -echo 'pref("reader.parse-on-load.enabled", false);' >> $userjs; -echo 'pref("browser.reader.detectedFirstArticle", true);' >> $userjs; -echo 'pref("network.negotiate-auth.trusted-uris", "");' >> $userjs; -echo 'pref("messenger.status.reportIdle", false);' >> $userjs; -echo 'pref("extensions.enigmail.autoWkdLookup", 0);' >> $userjs; -echo 'pref("extensions.webcompat-reporter.enabled", false);' >> $userjs; -echo 'pref("browser.contentblocking.ui.enabled", true);' >> $userjs; -echo 'pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr", false);' >> $userjs; - -##Security -echo 'pref("javascript.options.shared_memory", false);' >> $userjs; -echo 'pref("security.webauth.u2f", true);' >> $userjs; -echo 'pref("mailnews.message_display.disable_remote_image", true);' >> $userjs; -echo 'pref("mail.phishing.detection.enabled", true);' >> $userjs; - -echo "//END OF BRACE EXTRAS" >> $userjs; diff --git a/userjs-brace-perf.js b/userjs-brace-perf.js new file mode 100644 index 0000000..6bd82cc --- /dev/null +++ b/userjs-brace-perf.js @@ -0,0 +1,10 @@ +//Performance +// Force enable some options +// May cause crashes +pref("layers.acceleration.force-enabled", true); +pref("media.hardware-video-decoding.force-enabled", true); +pref("browser.tabs.remote.autostart", true); +pref("browser.tabs.remote.force-enabled", true); +pref("layers.omtp.enabled", true); +pref("gfx.webrenderer.enabled", true); +pref("extensions.webextensions.remote", true); diff --git a/userjs-brace.js b/userjs-brace.js new file mode 100644 index 0000000..6e686db --- /dev/null +++ b/userjs-brace.js @@ -0,0 +1,25 @@ +//Look +pref("browser.tabs.drawInTitlebar", true); +pref("widget.allow-client-side-decoration", true); +pref("mailnews.start_page.enabled", false); +pref("browser.ctrlTab.recentlyUsedOrder", false); +pref("general.smoothScroll", false); + +//Privacy +pref("general.useragent.updates.enabled", false); +pref("browser.snippets.updateUrl", ""); +pref("browser.snippets.enabled", false); +pref("browser.snippets.syncPromo.enabled", false); +pref("browser.snippets.firstrunHomepage.enabled", false); +pref("plugin.expose_full_path", false); +pref("browser.link.open_newwindow_restriction", true); +pref("network.negotiate-auth.trusted-uris", ""); +pref("messenger.status.reportIdle", false); +pref("extensions.enigmail.autoWkdLookup", 0); +pref("extensions.webcompat-reporter.enabled", false); +pref("browser.contentblocking.ui.enabled", true); + +//Security +pref("security.webauth.u2f", true); +pref("mailnews.message_display.disable_remote_image", true); +pref("mail.phishing.detection.enabled", true); diff --git a/userjs-ghacks.js b/userjs-ghacks.js new file mode 100644 index 0000000..579b92d --- /dev/null +++ b/userjs-ghacks.js @@ -0,0 +1,2297 @@ +/****** +* name: ghacks user.js +* date: 27 March 2019 +* version 66-beta: The Power of Pants +* "The power of pants is a curious thing. Make a one man weep, make another man sing" +* authors: v52+ github | v51- www.ghacks.net +* url: https://github.com/ghacksuserjs/ghacks-user.js +* license: MIT: https://github.com/ghacksuserjs/ghacks-user.js/blob/master/LICENSE.txt + +* releases: These are end-of-stable-life-cycle legacy archives. + *Always* use the master branch user.js for a current up-to-date version. + url: https://github.com/ghacksuserjs/ghacks-user.js/releases + +* README: + + 0. Consider using Tor Browser if it meets your needs or fits your threat model better + * https://www.torproject.org/about/torusers.html.en + 1. READ the full README + * https://github.com/ghacksuserjs/ghacks-user.js/blob/master/README.md + 2. READ this + * https://github.com/ghacksuserjs/ghacks-user.js/wiki/1.3-Implementation + 3. If you skipped steps 1 and 2 above (shame on you), then here is the absolute minimum + * Auto-installing updates for Firefox and extensions are disabled (section 0302's) + * Some user data is erased on close (section 2800). Change this to suit your needs + * EACH RELEASE check: + - 4600s: reset prefs made redundant due to privacy.resistFingerprinting (RPF) + or enable them as an alternative to RFP or for ESR users + - 9999s: reset deprecated prefs in about:config or enable relevant section(s) for ESR + * Site breakage WILL happen + - There are often trade-offs and conflicts between Security vs Privacy vs Anti-Fingerprinting + and these need to be balanced against Functionality & Convenience & Breakage + * You will need to make changes, and to troubleshoot at times (choose wisely, there is always a trade-off). + While not 100% definitive, search for "[SETUP". If required, add each pref to your overrides section at + default values (or comment them out and reset them in about:config). Here are the main ones: + [SETUP-WEB] can cause some websites to break + [SETUP-CHROME] changes how Firefox itself behaves (i.e. NOT directly website related) + [SETUP-PERF] may impact performance + * [WARNING] tags are extra special and used sparingly, so heed them + 4. BACKUP your profile folder before implementing (and/or test in a new/cloned profile) + 5. KEEP UP TO DATE: https://github.com/ghacksuserjs/ghacks-user.js/wiki#small_orange_diamond-maintenance + +* INDEX: + + 0100: STARTUP + 0200: GEOLOCATION + 0300: QUIET FOX + 0400: BLOCKLISTS / SAFE BROWSING / TRACKING PROTECTION + 0500: SYSTEM ADD-ONS / EXPERIMENTS + 0600: BLOCK IMPLICIT OUTBOUND + 0700: HTTP* / TCP/IP / DNS / PROXY / SOCKS etc + 0800: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS + 0900: PASSWORDS + 1000: CACHE / SESSION (RE)STORE / FAVICONS + 1200: HTTPS (SSL/TLS / OCSP / CERTS / HPKP / CIPHERS) + 1400: FONTS + 1600: HEADERS / REFERERS + 1700: CONTAINERS + 1800: PLUGINS + 2000: MEDIA / CAMERA / MIC + 2200: WINDOW MEDDLING & LEAKS / POPUPS + 2300: WEB WORKERS + 2400: DOM (DOCUMENT OBJECT MODEL) & JAVASCRIPT + 2500: HARDWARE FINGERPRINTING + 2600: MISCELLANEOUS + 2700: PERSISTENT STORAGE + 2800: SHUTDOWN + 4000: FPI (FIRST PARTY ISOLATION) + 4500: RFP (RESIST FINGERPRINTING) + 4600: RFP ALTERNATIVES + 4700: RFP ALTERNATIVES (NAVIGATOR / USER AGENT (UA) SPOOFING) + 5000: PERSONAL + 9999: DEPRECATED / REMOVED / LEGACY / RENAMED + +******/ + +/* START: internal custom pref to test for syntax errors + * [NOTE] In FF60+, not all syntax errors cause parsing to abort i.e. reaching the last debug + * pref no longer necessarily means that all prefs have been applied. Check the console right + * after startup for any warnings/error messages related to non-applied prefs + * [1] https://blog.mozilla.org/nnethercote/2018/03/09/a-new-preferences-parser-for-firefox/ ***/ +pref("_user.js.parrot", "START: Oh yes, the Norwegian Blue... what's wrong with it?"); + +/*** [SECTION 0100]: STARTUP ***/ +pref("_user.js.parrot", "0100 syntax error: the parrot's dead!"); +/* 0101: disable default browser check + * [SETTING] General>Startup>Always check if Firefox is your default browser ***/ +pref("browser.shell.checkDefaultBrowser", false); +/* 0102: set START page (0=blank, 1=home, 2=last visited page, 3=resume previous session) + * [NOTE] Session Restore is not used in PB mode (0110) and is cleared with history (2803, 2804) + * [SETTING] General>Startup>Restore previous session ***/ +pref("browser.startup.page", 0); +/* 0103: set HOME+NEWWINDOW page + * about:home=Activity Stream (default, see 0105), custom URL, about:blank + * [SETTING] Home>New Windows and Tabs>Homepage and new windows ***/ +pref("browser.startup.homepage", "about:blank"); +/* 0104: set NEWTAB page + * true=Activity Stream (default, see 0105), false=blank page + * [SETTING] Home>New Windows and Tabs>New tabs ***/ +pref("browser.newtabpage.enabled", false); +pref("browser.newtab.preload", false); +/* 0105: disable Activity Stream stuff (AS) + * AS is the default homepage/newtab in FF57+, based on metadata and browsing behavior. + * **NOT LISTING ALL OF THESE: USE THE PREFERENCES UI** + * [SETTING] Home>Firefox Home Content>... to show/hide what you want ***/ +/* 0105a: disable Activity Stream telemetry ***/ +pref("browser.newtabpage.activity-stream.feeds.telemetry", false); +pref("browser.newtabpage.activity-stream.telemetry", false); +pref("browser.newtabpage.activity-stream.telemetry.ping.endpoint", ""); +/* 0105b: disable Activity Stream Snippets + * Runs code received from a server (aka Remote Code Execution) and sends information back to a metrics server + * [1] https://abouthome-snippets-service.readthedocs.io/ ***/ +pref("browser.aboutHomeSnippets.updateUrl", ""); +pref("browser.newtabpage.activity-stream.asrouter.providers.snippets", ""); +pref("browser.newtabpage.activity-stream.disableSnippets", true); +pref("browser.newtabpage.activity-stream.feeds.snippets", false); +/* 0105c: disable Activity Stream Top Stories, Pocket-based and/or sponsored content ***/ +pref("browser.newtabpage.activity-stream.feeds.section.topstories", false); +pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false); +pref("browser.newtabpage.activity-stream.showSponsored", false); +pref("browser.newtabpage.activity-stream.feeds.discoverystreamfeed", false); // [FF66+] +/* 0105d: disable Activity Stream recent Highlights in the Library [FF57+] ***/ + // pref("browser.library.activity-stream.enabled", false); +/* 0110: start Firefox in PB (Private Browsing) mode + * [NOTE] In this mode *all* windows are "private windows" and the PB mode icon is not displayed + * [WARNING] The P in PB mode is misleading: it means no "persistent" local storage of history, + * caches, searches or cookies (which you can achieve in normal mode). In fact, it limits or + * removes the ability to control these, and you need to quit Firefox to clear them. PB is best + * used as a one off window (File>New Private Window) to provide a temporary self-contained + * new instance. Closing all Private Windows clears all traces. Repeat as required. PB also does + * not allow indexedDB which breaks many Extensions that use it including uBlock Origin and uMatrix + * [SETTING] Privacy & Security>History>Custom Settings>Always use private browsing mode + * [1] https://wiki.mozilla.org/Private_Browsing + * [2] https://spreadprivacy.com/is-private-browsing-really-private/ ***/ + // pref("browser.privatebrowsing.autostart", true); + +/*** [SECTION 0200]: GEOLOCATION ***/ +pref("_user.js.parrot", "0200 syntax error: the parrot's definitely deceased!"); +/* 0201: disable Location-Aware Browsing + * [1] https://www.mozilla.org/firefox/geolocation/ ***/ +pref("geo.enabled", false); //BRACE-UNCOMMENTED +/* 0201b: set a default permission for Location [FF58+] + * 0=always ask (default), 1=allow, 2=block + * [NOTE] Best left at default "always ask", fingerprintable via Permissions API + * [SETTING] to add site exceptions: Page Info>Permissions>Access Your Location + * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Location>Settings ***/ + // pref("permissions.default.geo", 2); +/* 0202: disable GeoIP-based search results + * [NOTE] May not be hidden if Firefox has changed your settings due to your locale + * [1] https://trac.torproject.org/projects/tor/ticket/16254 + * [2] https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_geolocation-for-default-search-engine ***/ +pref("browser.search.region", "US"); // [HIDDEN PREF] +pref("browser.search.geoip.url", ""); +/* 0205: set OS & APP locale [FF59+] + * If set to empty, the OS locales are used. If not set at all, default locale is used ***/ +pref("intl.locale.requested", "en-US"); // [HIDDEN PREF] +/* 0206: disable geographically specific results/search engines e.g. "browser.search.*.US" + * i.e. ignore all of Mozilla's various search engines in multiple locales ***/ +pref("browser.search.geoSpecificDefaults", false); +pref("browser.search.geoSpecificDefaults.url", ""); +/* 0207: set language to match ***/ +pref("intl.accept_languages", "data:text/plain,intl.accept_languages=en-US, en"); //BRACE-MODIFIED +/* 0208: enforce US English locale regardless of the system locale + * [1] https://bugzilla.mozilla.org/867501 ***/ +pref("javascript.use_us_english_locale", true); // [HIDDEN PREF] +/* 0209: use APP locale over OS locale in regional preferences [FF56+] + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1379420,1364789 ***/ +pref("intl.regional_prefs.use_os_locales", false); +/* 0210: use Mozilla geolocation service instead of Google when geolocation is enabled + * Optionally enable logging to the console (defaults to false) ***/ +pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%"); + // pref("geo.wifi.logging.enabled", true); // [HIDDEN PREF] +/* 0211: disable using the OS's geolocation service ***/ +pref("geo.provider.ms-windows-location", false); // [WINDOWS] +pref("geo.provider.use_corelocation", false); // [MAC] +pref("geo.provider.use_gpsd", false); // [LINUX] + +/*** [SECTION 0300]: QUIET FOX + We choose to not disable auto-CHECKs (0301's) but to disable auto-INSTALLs (0302's). + There are many legitimate reasons to turn off auto-INSTALLS, including hijacked or + monetized extensions, time constraints, legacy issues, and fear of breakage/bugs. + It is still important to do updates for security reasons, please do so manually. ***/ +pref("_user.js.parrot", "0300 syntax error: the parrot's not pinin' for the fjords!"); +/* 0301b: disable auto-CHECKING for extension and theme updates ***/ + // pref("extensions.update.enabled", false); +/* 0302a: disable auto-INSTALLING Firefox updates [NON-WINDOWS FF65+] + * [NOTE] In FF65+ on Windows this SETTING (below) is now stored in a file and the pref was removed + * [SETTING] General>Firefox Updates>Check for updates but let you choose... ***/ +pref("app.update.auto", false); +/* 0302b: disable auto-INSTALLING extension and theme updates (after the check in 0301b) + * [SETTING] about:addons>Extensions>[cog-wheel-icon]>Update Add-ons Automatically (toggle) ***/ + // pref("extensions.update.autoUpdateDefault", false); //BRACE-COMMENTED +/* 0303: disable background update service [WINDOWS] + * [SETTING] General>Firefox Updates>Use a background service to install updates ***/ +pref("app.update.service.enabled", false); +/* 0304: disable background update staging ***/ +pref("app.update.staging.enabled", false); +/* 0305: enforce update information is displayed + * This is the update available, downloaded, error and success information ***/ +pref("app.update.silent", false); +/* 0306: disable extension metadata + * used when installing/updating an extension, and in daily background update checks: if false, it + * hides the expanded text description (if it exists) when you "show more details about an addon" ***/ + // pref("extensions.getAddons.cache.enabled", false); +/* 0307: disable auto updating of lightweight themes (LWT) + * Not to be confused with themes in 0301* + 0302*, which use the FF55+ Theme API + * Mozilla plan to convert existing LWTs and remove LWT support in the future, see [1] + * [1] https://blog.mozilla.org/addons/2018/09/20/future-themes-here/ ***/ +pref("lightweightThemes.update.enabled", false); +/* 0308: disable search update + * [SETTING] General>Firefox Updates>Automatically update search engines ***/ +pref("browser.search.update", false); +/* 0309: disable sending Flash crash reports ***/ +pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false); +/* 0310: disable sending the URL of the website where a plugin crashed ***/ +pref("dom.ipc.plugins.reportCrashURL", false); +/* 0320: disable about:addons' Get Add-ons panel (uses Google Analytics) ***/ +pref("extensions.getAddons.showPane", false); // [HIDDEN PREF] +pref("extensions.webservice.discoverURL", ""); +/* 0330: disable telemetry + * the pref (.unified) affects the behaviour of the pref (.enabled) + * IF unified=false then .enabled controls the telemetry module + * IF unified=true then .enabled ONLY controls whether to record extended data + * so make sure to have both set as false + * [NOTE] FF58+ `toolkit.telemetry.enabled` is now LOCKED to reflect prerelease + * or release builds (true and false respectively), see [2] + * [1] https://firefox-source-docs.mozilla.org/toolkit/components/telemetry/telemetry/internals/preferences.html + * [2] https://medium.com/georg-fritzsche/data-preference-changes-in-firefox-58-2d5df9c428b5 ***/ +pref("toolkit.telemetry.unified", false); +pref("toolkit.telemetry.enabled", false); // see [NOTE] above FF58+ +pref("toolkit.telemetry.server", "data:,"); +pref("toolkit.telemetry.archive.enabled", false); +pref("toolkit.telemetry.cachedClientID", ""); +pref("toolkit.telemetry.newProfilePing.enabled", false); // [FF55+] +pref("toolkit.telemetry.shutdownPingSender.enabled", false); // [FF55+] +pref("toolkit.telemetry.updatePing.enabled", false); // [FF56+] +pref("toolkit.telemetry.bhrPing.enabled", false); // [FF57+] Background Hang Reporter +pref("toolkit.telemetry.firstShutdownPing.enabled", false); // [FF57+] +pref("toolkit.telemetry.hybridContent.enabled", false); // [FF59+] +/* 0331: disable Telemetry Coverage + * [1] https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/ ***/ +pref("toolkit.telemetry.coverage.opt-out", true); // [HIDDEN PREF] +pref("toolkit.coverage.opt-out", true); // [FF64+] [HIDDEN PREF] +pref("toolkit.coverage.endpoint.base", ""); +/* 0340: disable Health Reports + * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send technical... data ***/ +pref("datareporting.healthreport.uploadEnabled", false); +/* 0341: disable new data submission, master kill switch [FF41+] + * If disabled, no policy is shown or upload takes place, ever + * [1] https://bugzilla.mozilla.org/1195552 ***/ +pref("datareporting.policy.dataSubmissionEnabled", false); +/* 0342: disable Studies (see 0503) + * [NOTE] This pref has no effect when Health Reports (0340) are disabled + * [SETTING] Privacy & Security>Firefox Data Collection & Use>...>Allow Firefox to install and run studies ***/ +pref("app.shield.optoutstudies.enabled", false); +/* 0343: disable personalized Extension Recommendations in about:addons and AMO [FF65+] + * [NOTE] This pref has no effect when Health Reports (0340) are disabled + * [SETTING] Privacy & Security>Firefox Data Collection & Use>...>Allow Firefox to make personalized extension rec. + * [1] https://support.mozilla.org/kb/personalized-extension-recommendations ***/ +pref("browser.discovery.enabled", false); +/* 0350: disable Crash Reports ***/ +pref("breakpad.reportURL", ""); +pref("browser.tabs.crashReporting.sendReport", false); // [FF44+] +pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] +/* 0351: disable backlogged Crash Reports + * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports ***/ +pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [FF58+] +/* 0370: disable Pocket [FF46+] + * Pocket is a third party (now owned by Mozilla) "save for later" cloud service + * [1] https://en.wikipedia.org/wiki/Pocket_(application) + * [2] https://www.gnu.gl/blog/Posts/multiple-vulnerabilities-in-pocket/ ***/ +pref("extensions.pocket.enabled", false); +/* 0390: disable Captive Portal detection + * [1] https://en.wikipedia.org/wiki/Captive_portal + * [2] https://wiki.mozilla.org/Necko/CaptivePortal + * [3] https://trac.torproject.org/projects/tor/ticket/21790 ***/ +pref("captivedetect.canonicalURL", ""); +pref("network.captive-portal-service.enabled", false); // [FF52+] +/* 0391: disable Network Connectivity checks [FF65+] + * [1] https://bugzilla.mozilla.org/1460537 ***/ +pref("network.connectivity-service.enabled", false); + +/*** [SECTION 0400]: BLOCKLISTS / SAFE BROWSING / TRACKING PROTECTION + This section has security & tracking protection implications vs privacy concerns vs effectiveness + vs 3rd party 'censorship'. We DO NOT advocate no protection. If you disable Tracking Protection (TP) + and/or Safe Browsing (SB), then SECTION 0400 REQUIRES YOU HAVE uBLOCK ORIGIN INSTALLED. + + Safe Browsing is designed to protect users from malicious sites. Tracking Protection is designed + to lessen the impact of third parties on websites to reduce tracking and to speed up your browsing. + These do rely on 3rd parties (Google for SB and Disconnect for TP), but many steps, which are + continually being improved, have been taken to preserve privacy. Disable at your own risk. +***/ +pref("_user.js.parrot", "0400 syntax error: the parrot's passed on!"); +/** BLOCKLISTS ***/ +/* 0401: enable Firefox blocklist, but sanitize blocklist url + * [NOTE] It includes updates for "revoked certificates" + * [1] https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl/ + * [2] https://trac.torproject.org/projects/tor/ticket/16931 ***/ +pref("extensions.blocklist.enabled", true); // [DEFAULT: true] +pref("extensions.blocklist.url", "https://blocklists.settings.services.mozilla.com/v1/blocklist/3/%APP_ID%/%APP_VERSION%/"); +/* 0403: disable individual unwanted/unneeded parts of the Kinto blocklists + * What is Kinto?: https://wiki.mozilla.org/Firefox/Kinto#Specifications + * As Firefox transitions to Kinto, the blocklists have been broken down into entries for certs to be + * revoked, extensions and plugins to be disabled, and gfx environments that cause problems or crashes ***/ + // pref("services.blocklist.onecrl.collection", ""); // revoked certificates + // pref("services.blocklist.addons.collection", ""); + // pref("services.blocklist.plugins.collection", ""); + // pref("services.blocklist.gfx.collection", ""); + +/** SAFE BROWSING (SB) + This sub-section has been redesigned to differentiate between "real-time"/"user initiated" data + being sent to Google from all other settings such as using local blocklists/whitelists and updating + those lists. There are NO privacy issues here. *IF* required, a full url is never sent to Google, + only a PART-hash of the prefix, and this is hidden with noise of other real PART-hashes. Google also + swear it is anonymized and only used to flag malicious sites/activity. Firefox also takes measures + such as striping out identifying parameters and storing safe browsing cookies in a separate jar. + SB v4 (FF57+) doesn't even use cookies. (#Turn on browser.safebrowsing.debug to monitor this activity) + #Required reading [#] https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/ + [1] https://wiki.mozilla.org/Security/Safe_Browsing ***/ +/* 0410: disable "Block dangerous and deceptive content" + * This covers deceptive sites such as phishing and social engineering + * [SETTING] Privacy & Security>Security>Deceptive Content and Software Protection ***/ +pref("browser.safebrowsing.malware.enabled", true); //BRACE-ENABLED +pref("browser.safebrowsing.phishing.enabled", true); // [FF50+] //BRACE-ENABLED +/* 0411: disable "Block dangerous downloads" + * This covers malware and PUPs (potentially unwanted programs) + * [SETTING] Privacy & Security>Security>Deceptive Content and Software Protection ***/ +pref("browser.safebrowsing.downloads.enabled", true); //BRACE-ENABLED +/* 0412: disable "Warn me about unwanted and uncommon software" + * [SETTING] Privacy & Security>Security>Deceptive Content and Software Protection ***/ +pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", true); // [FF48+] //BRACE-ENABLED +pref("browser.safebrowsing.downloads.remote.block_uncommon", true); // [FF48+] //BRACE-ENABLED +pref("browser.safebrowsing.downloads.remote.block_dangerous", true); // [FF49+] //BRACE-ENABLED +pref("browser.safebrowsing.downloads.remote.block_dangerous_host", true); // [FF49+] //BRACE-ENABLED +/* 0413: disable Google safebrowsing updates ***/ + // pref("browser.safebrowsing.provider.google.updateURL", ""); + // pref("browser.safebrowsing.provider.google.gethashURL", ""); + // pref("browser.safebrowsing.provider.google4.updateURL", ""); // [FF50+] + // pref("browser.safebrowsing.provider.google4.gethashURL", ""); // [FF50+] +/* 0414: disable binaries NOT in local lists being checked by Google (real-time checking) ***/ +pref("browser.safebrowsing.downloads.remote.enabled", false); +pref("browser.safebrowsing.downloads.remote.url", ""); +/* 0415: disable reporting URLs ***/ +pref("browser.safebrowsing.provider.google.reportURL", ""); +pref("browser.safebrowsing.reportPhishURL", ""); +pref("browser.safebrowsing.provider.google4.reportURL", ""); // [FF50+] +pref("browser.safebrowsing.provider.google.reportMalwareMistakeURL", ""); // [FF54+] +pref("browser.safebrowsing.provider.google.reportPhishMistakeURL", ""); // [FF54+] +pref("browser.safebrowsing.provider.google4.reportMalwareMistakeURL", ""); // [FF54+] +pref("browser.safebrowsing.provider.google4.reportPhishMistakeURL", ""); // [FF54+] +/* 0416: disable 'ignore this warning' on Safe Browsing warnings + * If clicked, it bypasses the block for that session. This is a means for admins to enforce SB + * [TEST] see github wiki APPENDIX A: Test Sites: Section 5 + * [1] https://bugzilla.mozilla.org/1226490 ***/ + // pref("browser.safebrowsing.allowOverride", false); +/* 0417: disable data sharing [FF58+] ***/ +pref("browser.safebrowsing.provider.google4.dataSharing.enabled", false); +pref("browser.safebrowsing.provider.google4.dataSharingURL", ""); + +/** TRACKING PROTECTION (TP) + There are NO privacy concerns here, but we strongly recommend to use uBlock Origin as well, + as it offers more comprehensive and specialized lists. It also allows per domain control. ***/ +/* 0420: enable Tracking Protection in all windows + * [NOTE] TP sends DNT headers regardless of the DNT pref (see 1610) + * [1] https://wiki.mozilla.org/Security/Tracking_protection + * [2] https://support.mozilla.org/kb/tracking-protection-firefox ***/ +pref("privacy.trackingprotection.pbmode.enabled", true); // [DEFAULT: true] //BRACE-UNCOMMENTED +pref("privacy.trackingprotection.enabled", true); //BRACE-UNCOMMENTED +/* 0422: set which Tracking Protection block list to use + * [WARNING] We don't recommend enforcing this from here, as available block lists can change + * [SETTING] Privacy & Security>Content Blocking>All Detected Trackers>Change block list ***/ + // pref("urlclassifier.trackingTable", "test-track-simple,base-track-digest256"); // basic +/* 0423: disable Mozilla's blocklist for known Flash tracking/fingerprinting [FF48+] + * [1] https://www.ghacks.net/2016/07/18/firefox-48-blocklist-against-plugin-fingerprinting/ + * [2] https://bugzilla.mozilla.org/1237198 ***/ +pref("browser.safebrowsing.blockedURIs.enabled", true); //BRACE-ENABLED +/* 0424: disable Mozilla's tracking protection and Flash blocklist updates ***/ + // pref("browser.safebrowsing.provider.mozilla.gethashURL", ""); + // pref("browser.safebrowsing.provider.mozilla.updateURL", ""); +/* 0425: disable passive Tracking Protection [FF53+] + * Passive TP annotates channels to lower the priority of network loads for resources on the tracking protection list + * [NOTE] It has no effect if TP is enabled, but keep in mind that by default TP is only enabled in Private Windows + * This is included for people who want to completely disable Tracking Protection. + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1170190,1141814 ***/ + // pref("privacy.trackingprotection.annotate_channels", false); + // pref("privacy.trackingprotection.lower_network_priority", false); + +/*** [SECTION 0500]: SYSTEM ADD-ONS / EXPERIMENTS + System Add-ons are a method for shipping extensions, considered to be + built-in features to Firefox, that are hidden from the about:addons UI. + To view your System Add-ons go to about:support, they are listed under "Firefox Features" + + Some System Add-ons have no on-off prefs. Instead you can manually remove them. Note that app + updates will restore them. They may also be updated and possibly restored automatically (see 0505) + * Portable: "...\App\Firefox64\browser\features\" (or "App\Firefox\etc" for 32bit) + * Windows: "...\Program Files\Mozilla\browser\features" (or "Program Files (X86)\etc" for 32bit) + * Mac: "...\Applications\Firefox\Contents\Resources\browser\features\" + [NOTE] On Mac you can right-click on the application and select "Show Package Contents" + * Linux: "/usr/lib/firefox/browser/features" (or similar) + + [1] https://firefox-source-docs.mozilla.org/toolkit/mozapps/extensions/addon-manager/SystemAddons.html + [2] https://dxr.mozilla.org/mozilla-central/source/browser/extensions +***/ +pref("_user.js.parrot", "0500 syntax error: the parrot's cashed in 'is chips!"); +/* 0503: disable Normandy/Shield [FF60+] + * Shield is an telemetry system (including Heartbeat) that can also push and test "recipes" + * [1] https://wiki.mozilla.org/Firefox/Shield + * [2] https://github.com/mozilla/normandy ***/ +pref("app.normandy.enabled", false); +pref("app.normandy.api_url", ""); +/* 0505: disable System Add-on updates ***/ +pref("extensions.systemAddon.update.enabled", false); // [FF62+] +pref("extensions.systemAddon.update.url", ""); // [FF44+] +/* 0506: disable PingCentre telemetry (used in several System Add-ons) [FF57+] + * Currently blocked by 'datareporting.healthreport.uploadEnabled' (see 0340) ***/ +pref("browser.ping-centre.telemetry", false); +/* 0515: disable Screenshots + * alternatively in FF60+, disable uploading to the Screenshots server + * [1] https://github.com/mozilla-services/screenshots + * [2] https://www.ghacks.net/2017/05/28/firefox-screenshots-integrated-in-firefox-nightly/ ***/ +pref("extensions.screenshots.disabled", true); // [FF55+] //BRACE-UNCOMMENTED +pref("extensions.screenshots.upload-disabled", true); // [FF60+] //BRACE-UNCOMMENTED +/* 0517: disable Form Autofill + * [NOTE] Stored data is NOT secure (uses a JSON file) + * [NOTE] Heuristics controls Form Autofill on forms without @autocomplete attributes + * [SETTING] Privacy & Security>Forms & Passwords>Autofill addresses + * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill + * [2] https://www.ghacks.net/2017/05/24/firefoxs-new-form-autofill-is-awesome/ ***/ +pref("extensions.formautofill.addresses.enabled", false); // [FF55+] +pref("extensions.formautofill.available", "off"); // [FF56+] +pref("extensions.formautofill.creditCards.enabled", false); // [FF56+] +pref("extensions.formautofill.heuristics.enabled", false); // [FF55+] +/* 0518: disable Web Compatibility Reporter [FF56+] + * Web Compatibility Reporter adds a "Report Site Issue" button to send data to Mozilla ***/ +pref("extensions.webcompat-reporter.enabled", false); + +/*** [SECTION 0600]: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - e.g. clicked on] ***/ +pref("_user.js.parrot", "0600 syntax error: the parrot's no more!"); +/* 0601: disable link prefetching + * [1] https://developer.mozilla.org/docs/Web/HTTP/Link_prefetching_FAQ ***/ +pref("network.prefetch-next", false); +/* 0602: disable DNS prefetching + * [1] https://www.ghacks.net/2013/04/27/firefox-prefetching-what-you-need-to-know/ + * [2] https://developer.mozilla.org/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control ***/ +pref("network.dns.disablePrefetch", true); +pref("network.dns.disablePrefetchFromHTTPS", true); // [HIDDEN PREF] +/* 0603: disable Seer/Necko + * [1] https://developer.mozilla.org/docs/Mozilla/Projects/Necko ***/ +pref("network.predictor.enabled", false); +/* 0605: disable link-mouseover opening connection to linked server + * [1] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests + * [2] https://www.ghacks.net/2015/08/16/block-firefox-from-connecting-to-sites-when-you-hover-over-links/ ***/ +pref("network.http.speculative-parallel-limit", 0); +/* 0606: disable pings (but enforce same host in case) + * [1] http://kb.mozillazine.org/Browser.send_pings + * [2] http://kb.mozillazine.org/Browser.send_pings.require_same_host ***/ +pref("browser.send_pings", false); +pref("browser.send_pings.require_same_host", true); +/* 0608: disable predictor / prefetching [FF48+] ***/ +pref("network.predictor.enable-prefetch", false); + +/*** [SECTION 0700]: HTTP* / TCP/IP / DNS / PROXY / SOCKS etc ***/ +pref("_user.js.parrot", "0700 syntax error: the parrot's given up the ghost!"); +/* 0701: disable IPv6 + * IPv6 can be abused, especially regarding MAC addresses. They also do not play nice + * with VPNs. That's even assuming your ISP and/or router and/or website can handle it + * [NOTE] This is just an application level fallback. Disabling IPv6 is best done + * at an OS/network level, and/or configured properly in VPN setups + * [TEST] http://ipv6leak.com/ + * [1] https://github.com/ghacksuserjs/ghacks-user.js/issues/437#issuecomment-403740626 + * [2] https://www.internetsociety.org/tag/ipv6-security/ (see Myths 2,4,5,6) ***/ + // pref("network.dns.disableIPv6", true); //BRACE-COMMENTED +/* 0702: disable HTTP2 (which was based on SPDY which is now deprecated) + * HTTP2 raises concerns with "multiplexing" and "server push", does nothing to enhance + * privacy, and in fact opens up a number of server-side fingerprinting opportunities + * [SETUP-PERF] Relax this if you have FPI enabled (see 4000) *AND* you understand the + * consequences. FPI isolates these, but it was designed with the Tor protocol in mind, + * and the Tor Browser has extra protection, including enhanced sanitizing per Identity. + * [1] https://http2.github.io/faq/ + * [2] https://blog.scottlogic.com/2014/11/07/http-2-a-quick-look.html + * [3] https://queue.acm.org/detail.cfm?id=2716278 + * [4] https://github.com/ghacksuserjs/ghacks-user.js/issues/107 ***/ + // pref("network.http.spdy.enabled", false); //BRACE-COMMENTED + // pref("network.http.spdy.enabled.deps", false); //BRACE-COMMENTED + // pref("network.http.spdy.enabled.http2", false); //BRACE-COMMENTED + // pref("network.http.spdy.websockets", false); // [FF65+] //BRACE-COMMENTED +/* 0703: disable HTTP Alternative Services [FF37+] + * [SETUP-PERF] Relax this if you have FPI enabled (see 4000) *AND* you understand the + * consequences. FPI isolates these, but it was designed with the Tor protocol in mind, + * and the Tor Browser has extra protection, including enhanced sanitizing per Identity. + * [1] https://tools.ietf.org/html/rfc7838#section-9 + * [2] https://www.mnot.net/blog/2016/03/09/alt-svc ***/ +pref("network.http.altsvc.enabled", false); +pref("network.http.altsvc.oe", false); +/* 0704: enforce the proxy server to do any DNS lookups when using SOCKS + * e.g. in Tor, this stops your local DNS server from knowing your Tor destination + * as a remote Tor node will handle the DNS request + * [1] http://kb.mozillazine.org/Network.proxy.socks_remote_dns + * [2] https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers ***/ +pref("network.proxy.socks_remote_dns", true); +/* 0706: remove paths when sending URLs to PAC scripts [FF51+] + * CVE-2017-5384: Information disclosure via Proxy Auto-Config (PAC) + * [1] https://bugzilla.mozilla.org/1255474 ***/ +pref("network.proxy.autoconfig_url.include_path", false); // [DEFAULT: false] +/* 0707: disable (or setup) DNS-over-HTTPS (DoH) [FF60+] + * TRR = Trusted Recursive Resolver + * .mode: 0=off, 1=race, 2=TRR first, 3=TRR only, 4=race for stats but always use native result + * [WARNING] DoH bypasses hosts and gives info to yet another party (e.g. Cloudflare) + * [1] https://www.ghacks.net/2018/04/02/configure-dns-over-https-in-firefox/ + * [2] https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/ ***/ + // pref("network.trr.mode", 0); + // pref("network.trr.bootstrapAddress", ""); + // pref("network.trr.uri", ""); +/* 0708: disable FTP [FF60+] + * [1] https://www.ghacks.net/2018/02/20/firefox-60-with-new-preference-to-disable-ftp/ ***/ + // pref("network.ftp.enabled", false); +/* 0709: disable using UNC (Uniform Naming Convention) paths [FF61+] + * [SETUP-CHROME] Can break extensions for profiles on network shares + * [1] https://trac.torproject.org/projects/tor/ticket/26424 ***/ +pref("network.file.disable_unc_paths", true); // [HIDDEN PREF] +/* 0710: disable GIO as a potential proxy bypass vector + * Gvfs/GIO has a set of supported protocols like obex, network, archive, computer, dav, cdda, + * gphoto2, trash, etc. By default only smb and sftp protocols are accepted so far (as of FF64) + * [1] https://bugzilla.mozilla.org/1433507 + * [2] https://trac.torproject.org/23044 + * [3] https://en.wikipedia.org/wiki/GVfs + * [4] https://en.wikipedia.org/wiki/GIO_(software) ***/ +pref("network.gio.supported-protocols", ""); // [HIDDEN PREF] + +/*** [SECTION 0800]: LOCATION BAR / SEARCH BAR / SUGGESTIONS / HISTORY / FORMS [SETUP-CHROME] + Change items 0850 and above to suit for privacy vs convenience and functionality. Consider + your environment (no unwanted eyeballs), your device (restricted access), your device's + unattended state (locked, encrypted, forensic hardened). Likewise, you may want to check + the items cleared on shutdown in section 2800. + [NOTE] The urlbar is also commonly referred to as the location bar and address bar + #Required reading [#] https://xkcd.com/538/ +***/ +pref("_user.js.parrot", "0800 syntax error: the parrot's ceased to be!"); +/* 0801: disable location bar using search + * don't leak typos to a search engine, give an error message instead ***/ + // pref("keyword.enabled", false); //BRACE-COMMENTED +/* 0802: disable location bar domain guessing + * domain guessing intercepts DNS "hostname not found errors" and resends a + * request (e.g. by adding www or .com). This is inconsistent use (e.g. FQDNs), does not work + * via Proxy Servers (different error), is a flawed use of DNS (TLDs: why treat .com + * as the 411 for DNS errors?), privacy issues (why connect to sites you didn't + * intend to), can leak sensitive data (e.g. query strings: e.g. Princeton attack), + * and is a security risk (e.g. common typos & malicious sites set up to exploit this) ***/ +pref("browser.fixup.alternate.enabled", false); +/* 0803: display all parts of the url in the location bar ***/ +pref("browser.urlbar.trimURLs", false); +/* 0804: limit history leaks via enumeration (PER TAB: back/forward) + * This is a PER TAB session history. You still have a full history stored under all history + * default=50, minimum=1=currentpage, 2 is the recommended minimum as some pages + * use it as a means of referral (e.g. hotlinking), 4 or 6 or 10 may be more practical ***/ +pref("browser.sessionhistory.max_entries", 10); +/* 0805: disable CSS querying page history - CSS history leak + * [NOTE] This has NEVER been fully "resolved": in Mozilla/docs it is stated it's + * only in 'certain circumstances', also see latest comments in [2] + * [TEST] http://lcamtuf.coredump.cx/yahh/ (see github wiki APPENDIX C on how to use) + * [1] https://dbaron.org/mozilla/visited-privacy + * [2] https://bugzilla.mozilla.org/147777 + * [3] https://developer.mozilla.org/docs/Web/CSS/Privacy_and_the_:visited_selector ***/ +pref("layout.css.visited_links_enabled", false); +/* 0806: disable displaying javascript in history URLs ***/ +pref("browser.urlbar.filter.javascript", true); // [DEFAULT: true] +/* 0807: disable search bar LIVE search suggestions + * [SETTING] Search>Provide search suggestions ***/ +pref("browser.search.suggest.enabled", false); +/* 0808: disable location bar LIVE search suggestions (requires 0807 = true) + * Also disable the location bar prompt to enable/disable or learn more about it. + * [SETTING] Search>Show search suggestions in address bar results ***/ +pref("browser.urlbar.suggest.searches", false); +pref("browser.urlbar.userMadeSearchSuggestionsChoice", true); // [FF41+] +/* 0809: disable location bar suggesting "preloaded" top websites [FF54+] + * [1] https://bugzilla.mozilla.org/1211726 ***/ +pref("browser.urlbar.usepreloadedtopurls.enabled", false); +/* 0810: disable location bar making speculative connections [FF56+] + * [1] https://bugzilla.mozilla.org/1348275 ***/ +pref("browser.urlbar.speculativeConnect.enabled", false); +/* 0850a: disable location bar suggestion types + * [SETUP-CHROME] If all three suggestion types are false, search engine keywords are disabled + * [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest ***/ + // pref("browser.urlbar.suggest.history", false); + // pref("browser.urlbar.suggest.bookmark", false); + // pref("browser.urlbar.suggest.openpage", false); +/* 0850c: disable location bar dropdown + * This value controls the total number of entries to appear in the location bar dropdown + * [NOTE] Items (bookmarks/history/openpages) with a high "frecency"/"bonus" will always + * be displayed (no we do not know how these are calculated or what the threshold is), + * and this does not affect the search by search engine suggestion (see 0808) + * [NOTE] This setting is only useful if you want to enable search engine keywords + * (i.e. at least one of 0850a suggestion types must be true) but you want to *limit* suggestions shown ***/ + // pref("browser.urlbar.maxRichResults", 0); +/* 0850d: disable location bar autofill + * [1] http://kb.mozillazine.org/Inline_autocomplete ***/ + // pref("browser.urlbar.autoFill", false); +/* 0850e: disable location bar one-off searches [FF51+] + * [1] https://www.ghacks.net/2016/08/09/firefox-one-off-searches-address-bar/ ***/ + // pref("browser.urlbar.oneOffSearches", false); +/* 0860: disable search and form history + * [NOTE] You can clear formdata on exiting Firefox (see 2803) + * [SETTING] Privacy & Security>History>Custom Settings>Remember search and form history ***/ +pref("browser.formfill.enable", false); +/* 0862: disable browsing and download history + * [NOTE] You can clear history and downloads on exiting Firefox (see 2803) + * [SETTING] Privacy & Security>History>Custom Settings>Remember browsing and download history ***/ + // pref("places.history.enabled", false); +/* 0864: disable date/time picker + * This can leak your locale if not en-US + * [1] https://trac.torproject.org/projects/tor/ticket/21787 ***/ +pref("dom.forms.datetime", false); +/* 0870: disable Windows jumplist [WINDOWS] ***/ +pref("browser.taskbar.lists.enabled", false); +pref("browser.taskbar.lists.frequent.enabled", false); +pref("browser.taskbar.lists.recent.enabled", false); +pref("browser.taskbar.lists.tasks.enabled", false); +/* 0871: disable Windows taskbar preview [WINDOWS] ***/ +pref("browser.taskbar.previews.enable", false); + +/*** [SECTION 0900]: PASSWORDS ***/ +pref("_user.js.parrot", "0900 syntax error: the parrot's expired!"); +/* 0901: disable saving passwords + * [NOTE] This does not clear any passwords already saved + * [SETTING] Privacy & Security>Forms & Passwords>Ask to save logins and passwords for websites ***/ + // pref("signon.rememberSignons", false); +/* 0902: use a master password (recommended if you save passwords) + * There are no preferences for this. It is all handled internally. + * [SETTING] Privacy & Security>Forms & Passwords>Use a master password + * [1] https://support.mozilla.org/kb/use-master-password-protect-stored-logins ***/ +/* 0903: set how often Firefox should ask for the master password + * 0=the first time (default), 1=every time it's needed, 2=every n minutes (see 0904) ***/ +pref("security.ask_for_password", 2); +/* 0904: set how often in minutes Firefox should ask for the master password (see 0903) + * in minutes, default is 30 ***/ +pref("security.password_lifetime", 5); +/* 0905: disable auto-filling username & password form fields + * can leak in cross-site forms AND be spoofed + * [NOTE] Password will still be auto-filled after a user name is manually entered + * [1] http://kb.mozillazine.org/Signon.autofillForms ***/ +pref("signon.autofillForms", false); +/* 0906: disable websites' autocomplete="off" [FF30+] + * Don't let sites dictate use of saved logins and passwords. Increase security through + * stronger password use. The trade-off is the convenience. Some sites should never be + * saved (such as banking sites). Set at true, informed users can make their own choice. ***/ +pref("signon.storeWhenAutocompleteOff", true); // [DEFAULT: true] +/* 0907: display warnings for logins on non-secure (non HTTPS) pages + * [1] https://bugzilla.mozilla.org/1217156 ***/ +pref("security.insecure_password.ui.enabled", true); +/* 0909: disable formless login capture for Password Manager [FF51+] ***/ +pref("signon.formlessCapture.enabled", false); +/* 0910: disable autofilling saved passwords on HTTP pages and show warning [FF52+] + * [1] https://www.fxsitecompat.com/en-CA/docs/2017/insecure-login-forms-now-disable-autofill-show-warning-beneath-input-control/ + * [2] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1217152,1319119 ***/ +pref("signon.autofillForms.http", false); +pref("security.insecure_field_warning.contextual.enabled", true); +/* 0912: limit (or disable) HTTP authentication credentials dialogs triggered by sub-resources [FF41+] + * hardens against potential credentials phishing + * 0=don't allow sub-resources to open HTTP authentication credentials dialogs + * 1=don't allow cross-origin sub-resources to open HTTP authentication credentials dialogs + * 2=allow sub-resources to open HTTP authentication credentials dialogs (default) + * [1] https://www.fxsitecompat.com/en-CA/docs/2015/http-auth-dialog-can-no-longer-be-triggered-by-cross-origin-resources/ ***/ +pref("network.auth.subresource-http-auth-allow", 1); + +/*** [SECTION 1000]: CACHE / SESSION (RE)STORE / FAVICONS [SETUP-CHROME] + ETAG [1] and other [2][3] cache tracking/fingerprinting techniques can be averted by + disabling *BOTH* disk (1001) and memory (1003) cache. ETAGs can also be neutralized + by modifying response headers [4]. Another solution is to use a hardened configuration + with Temporary Containers [5]. Alternatively, you can *LIMIT* exposure by clearing + cache on close (2803). or on a regular basis manually or with an extension. + [1] https://en.wikipedia.org/wiki/HTTP_ETag#Tracking_using_ETags + [2] https://robertheaton.com/2014/01/20/cookieless-user-tracking-for-douchebags/ + [3] https://www.grepular.com/Preventing_Web_Tracking_via_the_Browser_Cache + [4] https://github.com/ghacksuserjs/ghacks-user.js/wiki/4.2.4-Header-Editor + [5] https://medium.com/@stoically/enhance-your-privacy-in-firefox-with-temporary-containers-33925cd6cd21 +***/ +pref("_user.js.parrot", "1000 syntax error: the parrot's gone to meet 'is maker!"); +/** CACHE ***/ +/* 1001: disable disk cache ***/ + // pref("browser.cache.disk.enable", false); //BRACE-COMMENTED + // pref("browser.cache.disk.capacity", 0); //BRACE-COMMENTED + // pref("browser.cache.disk.smart_size.enabled", false); //BRACE-COMMENTED + // pref("browser.cache.disk.smart_size.first_run", false); //BRACE-COMMENTED +/* 1002: disable disk cache for SSL pages + * [1] http://kb.mozillazine.org/Browser.cache.disk_cache_ssl ***/ + // pref("browser.cache.disk_cache_ssl", false); //BRACE-COMMENTED +/* 1003: disable memory cache + * [NOTE] Not recommended due to performance issues ***/ + // pref("browser.cache.memory.enable", false); + // pref("browser.cache.memory.capacity", 0); // [HIDDEN PREF] +/* 1005: disable fastback cache + * To improve performance when pressing back/forward Firefox stores visited pages + * so they don't have to be re-parsed. This is not the same as memory cache. + * 0=none, -1=auto (that's minus 1), or for other values see [1] + * [WARNING] Not recommended unless you know what you're doing + * [1] http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers ***/ + // pref("browser.sessionhistory.max_total_viewers", 0); +/* 1006: disable permissions manager from writing to disk [RESTART] + * [NOTE] This means any permission changes are session only + * [1] https://bugzilla.mozilla.org/967812 ***/ + // pref("permissions.memory_only", true); // [HIDDEN PREF] +/* 1008: set DNS cache and expiration time (default 400 and 60, same as Tor Browser) ***/ + // pref("network.dnsCacheEntries", 400); + // pref("network.dnsCacheExpiration", 60); + +/** SESSIONS & SESSION RESTORE ***/ +/* 1020: exclude "Undo Closed Tabs" in Session Restore ***/ + // pref("browser.sessionstore.max_tabs_undo", 0); +/* 1021: disable storing extra session data [SETUP-CHROME] + * extra session data contains contents of forms, scrollbar positions, cookies and POST data + * define on which sites to save extra session data: + * 0=everywhere, 1=unencrypted sites, 2=nowhere ***/ +pref("browser.sessionstore.privacy_level", 2); +/* 1022: disable resuming session from crash ***/ + // pref("browser.sessionstore.resume_from_crash", false); +/* 1023: set the minimum interval between session save operations + * Increasing this can help on older machines and some websites, as well as reducing writes, see [1] + * Default is 15000 (15 secs). Try 30000 (30 secs), 60000 (1 min) etc + * [SETUP-CHROME] This can also affect entries in the "Recently Closed Tabs" feature: + * i.e. the longer the interval the more chance a quick tab open/close won't be captured. + * This longer interval *may* affect history but we cannot replicate any history not recorded + * [1] https://bugzilla.mozilla.org/1304389 ***/ +pref("browser.sessionstore.interval", 30000); +/* 1024: disable automatic Firefox start and session restore after reboot [FF62+] [WINDOWS] + * [1] https://bugzilla.mozilla.org/603903 ***/ +pref("toolkit.winRegisterApplicationRestart", false); + +/** FAVICONS ***/ +/* 1030: disable favicons in shortcuts + * URL shortcuts use a cached randomly named .ico file which is stored in your + * profile/shortcutCache directory. The .ico remains after the shortcut is deleted. + * If set to false then the shortcuts use a generic Firefox icon ***/ +pref("browser.shell.shortcutFavicons", false); +/* 1031: disable favicons in tabs and new bookmarks + * bookmark favicons are stored as data blobs in favicons.sqlite ***/ + // pref("browser.chrome.site_icons", false); +/* 1032: disable favicons in web notifications ***/ +pref("alerts.showFavicons", false); // [DEFAULT: false] + +/*** [SECTION 1200]: HTTPS (SSL/TLS / OCSP / CERTS / HPKP / CIPHERS) + Note that your cipher and other settings can be used server side as a fingerprint attack + vector, see [1] (It's quite technical but the first part is easy to understand + and you can stop reading when you reach the second section titled "Enter Bro") + + Option 1: Use defaults for ciphers (1260's). There is nothing *weak* about these, but + due to breakage, browsers can't deprecate them until the web stops using them + Option 2: Disable the ciphers in 1261, 1262 and 1263. These shouldn't break anything. + Optionally, disable the ciphers in 1264. + + [1] https://www.securityartwork.es/2017/02/02/tls-client-fingerprinting-with-bro/ +***/ +pref("_user.js.parrot", "1200 syntax error: the parrot's a stiff!"); +/** SSL (Secure Sockets Layer) / TLS (Transport Layer Security) ***/ +/* 1201: disable old SSL/TLS "insecure" renegotiation (vulnerable to a MiTM attack) + * [SETUP-WEB] <2% of secure sites do NOT support the newer "secure" renegotiation, see [2] + * [1] https://wiki.mozilla.org/Security:Renegotiation + * [2] https://www.ssllabs.com/ssl-pulse/ ***/ +pref("security.ssl.require_safe_negotiation", true); +/* 1202: control TLS versions with min and max + * 1=TLS 1.0, 2=TLS 1.1, 3=TLS 1.2, 4=TLS 1.3 + * [NOTE] Jul-2017: Telemetry indicates approx 2% of TLS web traffic uses 1.0 or 1.1 + * [1] http://kb.mozillazine.org/Security.tls.version.* + * [2] https://www.ssl.com/how-to/turn-off-ssl-3-0-and-tls-1-0-in-your-browser/ + * [2] archived: https://archive.is/hY2Mm ***/ + // pref("security.tls.version.min", 3); +pref("security.tls.version.max", 4); +/* 1203: disable SSL session tracking [FF36+] + * SSL Session IDs are unique, last up to 24hrs in Firefox, and can be used for tracking + * [SETUP-PERF] Relax this if you have FPI enabled (see 4000) *AND* you understand the + * consequences. FPI isolates these, but it was designed with the Tor protocol in mind, + * and the Tor Browser has extra protection, including enhanced sanitizing per Identity. + * [1] https://tools.ietf.org/html/rfc5077 + * [2] https://bugzilla.mozilla.org/967977 + * [3] https://arxiv.org/abs/1810.07304 ***/ +pref("security.ssl.disable_session_identifiers", true); // [HIDDEN PREF] +/* 1204: disable SSL Error Reporting + * [1] https://firefox-source-docs.mozilla.org/browser/base/sslerrorreport/preferences.html ***/ +pref("security.ssl.errorReporting.automatic", false); +pref("security.ssl.errorReporting.enabled", false); +pref("security.ssl.errorReporting.url", ""); +/* 1205: disable TLS1.3 0-RTT (round-trip time) [FF51+] + * [1] https://github.com/tlswg/tls13-spec/issues/1001 + * [2] https://blog.cloudflare.com/tls-1-3-overview-and-q-and-a/ ***/ +pref("security.tls.enable_0rtt_data", false); + +/** OCSP (Online Certificate Status Protocol) + #Required reading [#] https://scotthelme.co.uk/revocation-is-broken/ ***/ +/* 1210: enable OCSP Stapling + * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/ +pref("security.ssl.enable_ocsp_stapling", true); +/* 1211: control when to use OCSP fetching (to confirm current validity of certificates) + * 0=disabled, 1=enabled (default), 2=enabled for EV certificates only + * OCSP (non-stapled) leaks information about the sites you visit to the CA (cert authority) + * It's a trade-off between security (checking) and privacy (leaking info to the CA) + * [NOTE] This pref only controls OCSP fetching and does not affect OCSP stapling + * [1] https://en.wikipedia.org/wiki/Ocsp ***/ +pref("security.OCSP.enabled", 1); +/* 1212: set OCSP fetch failures (non-stapled, see 1211) to hard-fail [SETUP-WEB] + * When a CA cannot be reached to validate a cert, Firefox just continues the connection (=soft-fail) + * Setting this pref to true tells Firefox to instead terminate the connection (=hard-fail) + * It is pointless to soft-fail when an OCSP fetch fails: you cannot confirm a cert is still valid (it + * could have been revoked) and/or you could be under attack (e.g. malicious blocking of OCSP servers) + * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ + * [2] https://www.imperialviolet.org/2014/04/19/revchecking.html ***/ +pref("security.OCSP.require", true); + +/** CERTS / HPKP (HTTP Public Key Pinning) ***/ +/* 1220: disable or limit SHA-1 certificates + * 0=all SHA1 certs are allowed + * 1=all SHA1 certs are blocked + * 2=deprecated option that now maps to 1 + * 3=only allowed for locally-added roots (e.g. anti-virus) + * 4=only allowed for locally-added roots or for certs in 2015 and earlier + * [SETUP-CHROME] When disabled, some man-in-the-middle devices (e.g. security scanners and + * antivirus products, may fail to connect to HTTPS sites. SHA-1 is *almost* obsolete. + * [1] https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/ ***/ +pref("security.pki.sha1_enforcement_level", 1); +/* 1221: disable Windows 8.1's Microsoft Family Safety cert [FF50+] [WINDOWS] + * 0=disable detecting Family Safety mode and importing the root + * 1=only attempt to detect Family Safety mode (don't import the root) + * 2=detect Family Safety mode and import the root + * [1] https://trac.torproject.org/projects/tor/ticket/21686 ***/ +pref("security.family_safety.mode", 0); +/* 1222: disable intermediate certificate caching (fingerprinting attack vector) [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. + * [TEST] https://fiprinca.0x90.eu/poc/ + * [1] https://bugzilla.mozilla.org/1334485 - related bug + * [2] https://bugzilla.mozilla.org/1216882 - related bug (see comment 9) ***/ + // pref("security.nocertdb", true); // [HIDDEN PREF] +/* 1223: enforce strict pinning + * PKP (Public Key Pinning) 0=disabled 1=allow user MiTM (such as your antivirus), 2=strict + * [WARNING] If you rely on an AV (antivirus) to protect your web browsing + * by inspecting ALL your web traffic, then leave at current default=1 + * [1] https://trac.torproject.org/projects/tor/ticket/16206 ***/ +pref("security.cert_pinning.enforcement_level", 2); + +/** MIXED CONTENT ***/ +/* 1240: disable insecure active content on https pages + * [1] https://trac.torproject.org/projects/tor/ticket/21323 ***/ +pref("security.mixed_content.block_active_content", true); // [DEFAULT: true] +/* 1241: disable insecure passive content (such as images) on https pages ***/ +pref("security.mixed_content.block_display_content", true); +/* 1243: block unencrypted requests from Flash on encrypted pages to mitigate MitM attacks [FF59+] + * [1] https://bugzilla.mozilla.org/1190623 ***/ +pref("security.mixed_content.block_object_subrequest", true); + +/** CIPHERS [see the section 1200 intro] ***/ +/* 1261: disable 3DES (effective key size < 128) + * [1] https://en.wikipedia.org/wiki/3des#Security + * [2] http://en.citizendium.org/wiki/Meet-in-the-middle_attack + * [3] https://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html ***/ + // pref("security.ssl3.rsa_des_ede3_sha", false); +/* 1262: disable 128 bits ***/ + // pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); + // pref("security.ssl3.ecdhe_rsa_aes_128_sha", false); +/* 1263: disable DHE (Diffie-Hellman Key Exchange) + * [1] https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH ***/ + // pref("security.ssl3.dhe_rsa_aes_128_sha", false); + // pref("security.ssl3.dhe_rsa_aes_256_sha", false); +/* 1264: disable the remaining non-modern cipher suites as of FF52 ***/ + // pref("security.ssl3.rsa_aes_128_sha", false); + // pref("security.ssl3.rsa_aes_256_sha", false); + +/** UI (User Interface) ***/ +/* 1270: display warning (red padlock) for "broken security" (see 1201) + * [1] https://wiki.mozilla.org/Security:Renegotiation ***/ +pref("security.ssl.treat_unsafe_negotiation_as_broken", true); +/* 1271: control "Add Security Exception" dialog on SSL warnings + * 0=do neither 1=pre-populate url 2=pre-populate url + pre-fetch cert (default) + * [1] https://github.com/pyllyukko/user.js/issues/210 ***/ +pref("browser.ssl_override_behavior", 1); +/* 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/ ***/ +pref("browser.xul.error_pages.expert_bad_cert", true); +/* 1273: display "insecure" icon and "Not Secure" text on HTTP sites ***/ +pref("security.insecure_connection_icon.enabled", true); // [FF59+] +pref("security.insecure_connection_text.enabled", true); // [FF60+] + // pref("security.insecure_connection_icon.pbmode.enabled", true); // [FF59+] private windows only + // pref("security.insecure_connection_text.pbmode.enabled", true); // [FF60+] private windows only + +/*** [SECTION 1400]: FONTS ***/ +pref("_user.js.parrot", "1400 syntax error: the parrot's bereft of life!"); +/* 1401: disable websites choosing fonts (0=block, 1=allow) + * If you disallow fonts, this drastically limits/reduces font + * enumeration (by JS) which is a high entropy fingerprinting vector. + * [NOTE] Disabling fonts can uglify the web a fair bit. + * [SETTING] General>Language and Appearance>Fonts & Colors>Advanced>Allow pages to choose... ***/ +pref("browser.display.use_document_fonts", 0); +/* 1402: set more legible default fonts + * [NOTE] Example below for Windows/Western only + * [SETTING] General>Language and Appearance>Fonts & Colors>Advanced>Serif|Sans-serif|Monospace ***/ + // pref("font.name.serif.x-unicode", "Georgia"); + // pref("font.name.serif.x-western", "Georgia"); // default: Times New Roman + // pref("font.name.sans-serif.x-unicode", "Arial"); + // pref("font.name.sans-serif.x-western", "Arial"); // default: Arial + // pref("font.name.monospace.x-unicode", "Lucida Console"); + // pref("font.name.monospace.x-western", "Lucida Console"); // default: Courier New +/* 1403: disable icon fonts (glyphs) and local fallback rendering + * [1] https://bugzilla.mozilla.org/789788 + * [2] https://trac.torproject.org/projects/tor/ticket/8455 ***/ + // pref("gfx.downloadable_fonts.enabled", false); // [FF41+] + // pref("gfx.downloadable_fonts.fallback_delay", -1); +/* 1404: disable rendering of SVG OpenType fonts + * [1] https://wiki.mozilla.org/SVGOpenTypeFonts - iSECPartnersReport recommends to disable this ***/ +pref("gfx.font_rendering.opentype_svg.enabled", false); +/* 1405: disable WOFF2 (Web Open Font Format) [FF35+] ***/ +pref("gfx.downloadable_fonts.woff2.enabled", false); +/* 1406: disable CSS Font Loading API + * [NOTE] Disabling fonts can uglify the web a fair bit. ***/ +pref("layout.css.font-loading-api.enabled", false); +/* 1407: disable special underline handling for a few fonts which you will probably never use [RESTART] + * Any of these fonts on your system can be enumerated for fingerprinting. + * [1] http://kb.mozillazine.org/Font.blacklist.underline_offset ***/ +pref("font.blacklist.underline_offset", ""); +/* 1408: disable graphite which FF49 turned back on by default + * In the past it had security issues. Update: This continues to be the case, see [1] + * [1] https://www.mozilla.org/security/advisories/mfsa2017-15/#CVE-2017-7778 ***/ +pref("gfx.font_rendering.graphite.enabled", false); +/* 1409: limit system font exposure to a whitelist [FF52+] [RESTART] + * If the whitelist is empty, then whitelisting is considered disabled and all fonts are allowed. + * [WARNING] Creating your own probably highly-unique whitelist will raise your entropy. + * Eventually privacy.resistFingerprinting (see 4500) will cover this (and 1401 can be relaxed) + * [1] https://bugzilla.mozilla.org/1121643 ***/ + // pref("font.system.whitelist", ""); // [HIDDEN PREF] + +/*** [SECTION 1600]: HEADERS / REFERERS + Only *cross domain* referers need controlling and XOriginPolicy (1603) is perfect for that. Thus we enforce + the default values for 1601, 1602, 1605 and 1606 to minimize breakage, and only tweak 1603 and 1604. + + Our default settings provide the best balance between protection and amount of breakage. + To harden it a bit more you can set XOriginPolicy (1603) to 2 (+ optionally 1604 to 1 or 2). + To fix broken sites (including your modem/router), temporarily set XOriginPolicy=0 and XOriginTrimmingPolicy=2 in about:config, + use the site and then change the values back. If you visit those sites regularly (e.g. vimeo), use an extension. + + 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 + + #Required reading [#] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/ +***/ +pref("_user.js.parrot", "1600 syntax error: the parrot rests in peace!"); +/* 1601: ALL: control when images/links send a referer + * 0=never, 1=send only when links are clicked, 2=for links and images (default) ***/ +pref("network.http.sendRefererHeader", 2); +/* 1602: ALL: control the amount of information to send + * 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port ***/ +pref("network.http.referer.trimmingPolicy", 0); +/* 1603: CROSS ORIGIN: control when to send a referer [SETUP-WEB] + * 0=always (default), 1=only if base domains match, 2=only if hosts match ***/ +pref("network.http.referer.XOriginPolicy", 1); +/* 1604: CROSS ORIGIN: control the amount of information to send [FF52+] + * 0=send full URI (default), 1=scheme+host+port+path, 2=scheme+host+port ***/ +pref("network.http.referer.XOriginTrimmingPolicy", 0); +/* 1605: ALL: disable spoofing a referer + * [WARNING] Do not set this to true, as spoofing effectively disables the anti-CSRF + * (Cross-Site Request Forgery) protections that some sites may rely on ***/ +pref("network.http.referer.spoofSource", false); // [DEFAULT: false] +/* 1606: ALL: set the default Referrer Policy [FF59+] + * 0=no-referer, 1=same-origin, 2=strict-origin-when-cross-origin, 3=no-referrer-when-downgrade + * [NOTE] This is only a default, it can be overridden by a site-controlled Referrer Policy + * [1] https://www.w3.org/TR/referrer-policy/ + * [2] https://developer.mozilla.org/docs/Web/HTTP/Headers/Referrer-Policy + * [3] https://blog.mozilla.org/security/2018/01/31/preventing-data-leaks-by-stripping-path-information-in-http-referrers/ ***/ +pref("network.http.referer.defaultPolicy", 3); // [DEFAULT: 3] +pref("network.http.referer.defaultPolicy.pbmode", 2); // [DEFAULT: 2] +/* 1607: TOR: hide (not spoof) referrer when leaving a .onion domain [FF54+] + * [NOTE] Firefox cannot access .onion sites by default. We recommend you use + * the Tor Browser which is specifically designed for hidden services + * [1] https://bugzilla.mozilla.org/1305144 ***/ +pref("network.http.referer.hideOnionSource", true); +/* 1610: ALL: enable the DNT (Do Not Track) HTTP header + * [NOTE] DNT is enforced with TP (see 0420) regardless of this pref + * [SETTING] Privacy & Security>Content Blocking>Send websites a "Do Not Track"... ***/ +pref("privacy.donottrackheader.enabled", true); + +/*** [SECTION 1700]: CONTAINERS + If you want to *really* leverage containers, we highly recommend Temporary Containers [2]. + Read the article by the extension author [3], and check out the github wiki/repo [4]. + [1] https://wiki.mozilla.org/Security/Contextual_Identity_Project/Containers + [2] https://addons.mozilla.org/firefox/addon/temporary-containers/ + [3] https://medium.com/@stoically/enhance-your-privacy-in-firefox-with-temporary-containers-33925cd6cd21 + [4] https://github.com/stoically/temporary-containers/wiki +***/ +pref("_user.js.parrot", "1700 syntax error: the parrot's bit the dust!"); +/* 1701: enable Container Tabs setting in preferences (see 1702) [FF50+] + * [1] https://bugzilla.mozilla.org/1279029 ***/ +pref("privacy.userContext.ui.enabled", true); +/* 1702: enable Container Tabs [FF50+] + * [SETTING] General>Tabs>Enable Container Tabs ***/ +pref("privacy.userContext.enabled", true); +/* 1703: enable a private container for thumbnail loads [FF51+] ***/ +pref("privacy.usercontext.about_newtab_segregation.enabled", true); // [DEFAULT: true in FF61+] +/* 1704: set behaviour on "+ Tab" button to display container menu [FF53+] [SETUP-CHROME] + * 0=no menu (default), 1=show when clicked, 2=show on long press + * [NOTE] The menu does not contain a non-container tab option (use Ctrl+T to open non-container tab) + * [1] https://bugzilla.mozilla.org/1328756 ***/ +pref("privacy.userContext.longPressBehavior", 2); + +/*** [SECTION 1800]: PLUGINS ***/ +pref("_user.js.parrot", "1800 syntax error: the parrot's pushing up daisies!"); +/* 1801: set default plugin state (i.e. new plugins on discovery) to never activate + * 0=disabled, 1=ask to activate, 2=active - you can override individual plugins ***/ +pref("plugin.default.state", 0); +pref("plugin.defaultXpi.state", 0); +/* 1802: enable click to play and set to 0 minutes ***/ +pref("plugins.click_to_play", true); +pref("plugin.sessionPermissionNow.intervalInMinutes", 0); +/* 1803: disable Flash plugin (Add-ons>Plugins) + * 0=deactivated, 1=ask, 2=enabled + * ESR52.x is the last branch to *fully* support NPAPI, FF52+ stable only supports Flash + * [NOTE] You can still override individual sites via site permissions + * [1] https://www.ghacks.net/2013/07/09/how-to-make-sure-that-a-firefox-plugin-never-activates-again/ ***/ +pref("plugin.state.flash", 0); +/* 1805: disable scanning for plugins [WINDOWS] + * [1] http://kb.mozillazine.org/Plugin_scanning + * plid.all = whether to scan the directories specified in the Windows registry for PLIDs. + * Used to detect RealPlayer, Java, Antivirus etc, but since FF52 only covers Flash ***/ +pref("plugin.scan.plid.all", false); +/* 1820: disable all GMP (Gecko Media Plugins) [SETUP-WEB] + * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/ +pref("media.gmp-provider.enabled", false); +pref("media.gmp.trial-create.enabled", false); +pref("media.gmp-manager.url", "data:text/plain,"); +pref("media.gmp-manager.url.override", "data:text/plain,"); // [HIDDEN PREF] +pref("media.gmp-manager.updateEnabled", false); // disable local fallback [HIDDEN PREF] +/* 1825: disable widevine CDM (Content Decryption Module) [SETUP-WEB] ***/ +pref("media.gmp-widevinecdm.visible", false); +pref("media.gmp-widevinecdm.enabled", false); +pref("media.gmp-widevinecdm.autoupdate", false); +/* 1830: disable all DRM content (EME: Encryption Media Extension) [SETUP-WEB] + * [SETTING] General>DRM Content>Play DRM-controlled content + * [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 ***/ +pref("media.eme.enabled", false); +/* 1840: disable the OpenH264 Video Codec by Cisco to "Never Activate" [SETUP-WEB] + * This is the bundled codec used for video chat in WebRTC ***/ +pref("media.gmp-gmpopenh264.enabled", false); // [HIDDEN PREF] +pref("media.gmp-gmpopenh264.autoupdate", false); + +/*** [SECTION 2000]: MEDIA / CAMERA / MIC ***/ +pref("_user.js.parrot", "2000 syntax error: the parrot's snuffed it!"); +/* 2001: disable WebRTC (Web Real-Time Communication) + * [1] https://www.privacytools.io/#webrtc ***/ +pref("media.peerconnection.enabled", false); +/* 2002: limit WebRTC IP leaks if using WebRTC + * [TEST] https://browserleaks.com/webrtc + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1189041,1297416 + * [2] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/ +pref("media.peerconnection.ice.default_address_only", true); +pref("media.peerconnection.ice.no_host", true); // [FF51+] +/* 2010: disable WebGL (Web Graphics Library), force bare minimum feature set if used & disable WebGL extensions + * [1] https://www.contextis.com/resources/blog/webgl-new-dimension-browser-exploitation/ + * [2] https://security.stackexchange.com/questions/13799/is-webgl-a-security-concern ***/ +pref("webgl.disabled", true); +pref("pdfjs.enableWebGL", false); +pref("webgl.min_capability_mode", true); +pref("webgl.disable-extensions", true); +pref("webgl.disable-fail-if-major-performance-caveat", true); +/* 2012: disable two more webgl preferences [FF51+] ***/ +pref("webgl.dxgl.enabled", false); // [WINDOWS] +pref("webgl.enable-webgl2", false); +/* 2022: disable screensharing ***/ +pref("media.getusermedia.screensharing.enabled", false); +pref("media.getusermedia.browser.enabled", false); +pref("media.getusermedia.audiocapture.enabled", false); +/* 2024: set a default permission for Camera/Microphone [FF58+] + * 0=always ask (default), 1=allow, 2=block + * [SETTING] to add site exceptions: Page Info>Permissions>Use the Camera/Microphone + * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Camera/Microphone>Settings ***/ + // pref("permissions.default.camera", 2); + // pref("permissions.default.microphone", 2); +/* 2026: disable canvas capture stream [FF41+] + * [1] https://developer.mozilla.org/docs/Web/API/HTMLCanvasElement/captureStream ***/ +pref("canvas.capturestream.enabled", false); +/* 2027: disable camera image capture [FF35+] + * [1] https://trac.torproject.org/projects/tor/ticket/16339 ***/ +pref("dom.imagecapture.enabled", false); // [DEFAULT: false] +/* 2028: disable offscreen canvas [FF44+] + * [1] https://developer.mozilla.org/docs/Web/API/OffscreenCanvas ***/ +pref("gfx.offscreencanvas.enabled", false); // [DEFAULT: false] +/* 2030: disable autoplay of HTML5 media [FF63+] + * 0=Allowed, 1=Blocked (2=Prompt - removed in FF66) + * [NOTE] You can set exceptions under site permissions + * [SETTING] Privacy & Security>Permissions>Block websites from automatically playing sound ***/ +pref("media.autoplay.default", 1); +/* 2031: disable autoplay of HTML5 media if you interacted with the site [FF66+] ***/ +pref("media.autoplay.enabled.user-gestures-needed", false); +/* 2032: disable audio autoplay in non-active tabs [FF51+] + * [1] https://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/ +pref("media.block-autoplay-until-in-foreground", true); + +/*** [SECTION 2200]: WINDOW MEDDLING & LEAKS / POPUPS ***/ +pref("_user.js.parrot", "2200 syntax error: the parrot's 'istory!"); +/* 2201: prevent websites from disabling new window features + * [1] http://kb.mozillazine.org/Prevent_websites_from_disabling_new_window_features ***/ +pref("dom.disable_window_open_feature.close", true); +pref("dom.disable_window_open_feature.location", true); // [DEFAULT: true] +pref("dom.disable_window_open_feature.menubar", true); +pref("dom.disable_window_open_feature.minimizable", true); +pref("dom.disable_window_open_feature.personalbar", true); // bookmarks toolbar +pref("dom.disable_window_open_feature.resizable", true); // [DEFAULT: true] +pref("dom.disable_window_open_feature.status", true); // [DEFAULT: true] +pref("dom.disable_window_open_feature.titlebar", true); +pref("dom.disable_window_open_feature.toolbar", true); +/* 2202: prevent scripts from moving and resizing open windows ***/ +pref("dom.disable_window_move_resize", true); +/* 2203: open links targeting new windows in a new tab instead + * This stops malicious window sizes and some screen resolution leaks. + * You can still right-click a link and open in a new window. + * [TEST] https://people.torproject.org/~gk/misc/entire_desktop.html + * [1] https://trac.torproject.org/projects/tor/ticket/9881 ***/ +pref("browser.link.open_newwindow", 3); +pref("browser.link.open_newwindow.restriction", 0); +/* 2204: disable Fullscreen API (requires user interaction) to prevent screen-resolution leaks + * [NOTE] You can still manually toggle the browser's fullscreen state (F11), + * but this pref will disable embedded video/game fullscreen controls, e.g. youtube + * [TEST] https://developer.mozilla.org/samples/domref/fullscreen.html ***/ + // pref("full-screen-api.enabled", false); +/* 2210: block popup windows + * [SETTING] Privacy & Security>Permissions>Block pop-up windows ***/ +pref("dom.disable_open_during_load", true); +/* 2211: set max popups from a single non-click event - default is 20! ***/ +pref("dom.popup_maximum", 3); +/* 2212: limit events that can cause a popup + * default is "change click dblclick mouseup pointerup notificationclick reset submit touchend" + * [1] http://kb.mozillazine.org/Dom.popup_allowed_events ***/ +pref("dom.popup_allowed_events", "click dblclick"); + +/*** [SECTION 2300]: WEB WORKERS + A worker is a JS "background task" running in a global context, i.e. it is different from + the current window. Workers can spawn new workers (must be the same origin & scheme), + including service and shared workers. Shared workers can be utilized by multiple scripts and + communicate between browsing contexts (windows/tabs/iframes) and can even control your cache. + + [SETUP-WEB] Disabling "web workers" might break sites + [UPDATE] uMatrix 1.2.0+ allows a per-scope control for workers (2301-deprecated) and service workers (2302) + #Required reading [#] https://github.com/gorhill/uMatrix/releases/tag/1.2.0 + + [1] Web Workers: https://developer.mozilla.org/docs/Web/API/Web_Workers_API + [2] Worker: https://developer.mozilla.org/docs/Web/API/Worker + [3] Service Worker: https://developer.mozilla.org/docs/Web/API/Service_Worker_API + [4] SharedWorker: https://developer.mozilla.org/docs/Web/API/SharedWorker + [5] ChromeWorker: https://developer.mozilla.org/docs/Web/API/ChromeWorker + [6] Notifications: https://support.mozilla.org/questions/1165867#answer-981820 +***/ +pref("_user.js.parrot", "2300 syntax error: the parrot's off the twig!"); +/* 2302: disable service workers [FF32, FF44-compat] + * Service workers essentially act as proxy servers that sit between web apps, and the browser + * and network, are event driven, and can control the web page/site it is associated with, + * intercepting and modifying navigation and resource requests, and caching resources. + * [NOTE] Service worker APIs are hidden (in Firefox) and cannot be used when in PB mode. + * [NOTE] Service workers only run over HTTPS. Service Workers have no DOM access. ***/ +pref("dom.serviceWorkers.enabled", false); +/* 2304: disable web notifications + * [1] https://developer.mozilla.org/docs/Web/API/Notifications_API ***/ +pref("dom.webnotifications.enabled", false); // [FF22+] +pref("dom.webnotifications.serviceworker.enabled", false); // [FF44+] +/* 2305: set a default permission for Notifications (see 2304) [FF58+] + * 0=always ask (default), 1=allow, 2=block + * [NOTE] Best left at default "always ask", fingerprintable via Permissions API + * [SETTING] to add site exceptions: Page Info>Permissions>Receive Notifications + * [SETTING] to manage site exceptions: Options>Privacy & Security>Permissions>Notifications>Settings ***/ + // pref("permissions.default.desktop-notification", 2); +/* 2306: disable push notifications [FF44+] + * web apps can receive messages pushed to them from a server, whether or + * not the web app is in the foreground, or even currently loaded + * [1] https://developer.mozilla.org/docs/Web/API/Push_API ***/ +pref("dom.push.enabled", false); +pref("dom.push.connection.enabled", false); +pref("dom.push.serverURL", ""); +pref("dom.push.userAgentID", ""); + +/*** [SECTION 2400]: DOM (DOCUMENT OBJECT MODEL) & JAVASCRIPT ***/ +pref("_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!"); +/* 2401: disable website control over browser right-click context menu + * [NOTE] Shift-Right-Click will always bring up the browser right-click context menu ***/ + // pref("dom.event.contextmenu.enabled", false); +/* 2402: disable website access to clipboard events/content + * [SETUP-WEB] This will break some sites functionality such as pasting into facebook, wordpress + * this applies to onCut, onCopy, onPaste events - i.e. you have to interact with + * the website for it to look at the clipboard + * [1] https://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/ ***/ +pref("dom.event.clipboardevents.enabled", false); +/* 2403: disable clipboard commands (cut/copy) from "non-privileged" content [FF41+] + * this disables document.execCommand("cut"/"copy") to protect your clipboard + * [1] https://bugzilla.mozilla.org/1170911 ***/ +pref("dom.allow_cut_copy", false); // [HIDDEN PREF] +/* 2404: disable "Confirm you want to leave" dialog on page close + * Does not prevent JS leaks of the page close event. + * [1] https://developer.mozilla.org/docs/Web/Events/beforeunload + * [2] https://support.mozilla.org/questions/1043508 ***/ +pref("dom.disable_beforeunload", true); +/* 2414: disable shaking the screen ***/ +pref("dom.vibrator.enabled", false); +/* 2420: disable asm.js [FF22+] [SETUP-PERF] + * [1] http://asmjs.org/ + * [2] https://www.mozilla.org/security/advisories/mfsa2015-29/ + * [3] https://www.mozilla.org/security/advisories/mfsa2015-50/ + * [4] https://www.mozilla.org/security/advisories/mfsa2017-01/#CVE-2017-5375 + * [5] https://www.mozilla.org/security/advisories/mfsa2017-05/#CVE-2017-5400 + * [6] https://rh0dev.github.io/blog/2017/the-return-of-the-jit/ ***/ +pref("javascript.options.asmjs", false); +/* 2421: disable Ion and baseline JIT to help harden JS against exploits + * [SETUP-PERF] If false, causes the odd site issue and there is also a performance loss + * [1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817 ***/ + // pref("javascript.options.ion", false); + // pref("javascript.options.baselinejit", false); +/* 2422: disable WebAssembly [FF52+] [SETUP-PERF] + * [1] https://developer.mozilla.org/docs/WebAssembly ***/ +pref("javascript.options.wasm", false); +/* 2426: disable Intersection Observer API [FF53+] + * Almost a year to complete, three versions late to stable (as default false), + * number #1 cause of crashes in nightly numerous times, and is (primarily) an + * ad network API for "ad viewability checks" down to a pixel level + * [1] https://developer.mozilla.org/docs/Web/API/Intersection_Observer_API + * [2] https://w3c.github.io/IntersectionObserver/ + * [3] https://bugzilla.mozilla.org/1243846 ***/ +pref("dom.IntersectionObserver.enabled", false); +/* 2427: disable Shared Memory (Spectre mitigation) + * [1] https://github.com/tc39/ecmascript_sharedmem/blob/master/TUTORIAL.md + * [2] https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/ ***/ +pref("javascript.options.shared_memory", false); +/* 2428: enforce DOMHighResTimeStamp API + * [WARNING] Required for normalization of timestamps and any timer resolution mitigations ***/ +pref("dom.event.highrestimestamp.enabled", true); // [DEFAULT: true] +/* 2429: enable (limited but sufficient) window.opener protection [FF65+] + * Makes rel=noopener implicit for target=_blank in anchor and area elements when no rel attribute is set ***/ +pref("dom.targetBlankNoOpener.enabled", true); + +/*** [SECTION 2500]: HARDWARE FINGERPRINTING ***/ +pref("_user.js.parrot", "2500 syntax error: the parrot's shuffled off 'is mortal coil!"); +/* 2502: disable Battery Status API + * Initially a Linux issue (high precision readout) that was fixed. + * However, it is still another metric for fingerprinting, used to raise entropy. + * e.g. do you have a battery or not, current charging status, charge level, times remaining etc + * [NOTE] From FF52+ Battery Status API is only available in chrome/privileged code. see [1] + * [1] https://bugzilla.mozilla.org/1313580 ***/ +pref("dom.battery.enabled", false); //BRACE-UNCOMMENTED +/* 2504: disable virtual reality devices + * Optional protection depending on your connected devices + * [1] https://developer.mozilla.org/docs/Web/API/WebVR_API ***/ +pref("dom.vr.enabled", false); //BRACE-UNCOMMENTED +/* 2505: disable media device enumeration [FF29+] + * [NOTE] media.peerconnection.enabled should also be set to false (see 2001) + * [1] https://wiki.mozilla.org/Media/getUserMedia + * [2] https://developer.mozilla.org/docs/Web/API/MediaDevices/enumerateDevices ***/ +pref("media.navigator.enabled", false); +/* 2508: disable hardware acceleration to reduce graphics fingerprinting + * [SETUP-PERF] Affects text rendering (fonts will look different), impacts video performance, + * and parts of Quantum that utilize the GPU will also be affected as they are rolled out + * [SETTING] General>Performance>Custom>Use hardware acceleration when available + * [1] https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration ***/ + // pref("gfx.direct2d.disabled", true); // [WINDOWS] + // pref("layers.acceleration.disabled", true); //BRACE-COMMENTED +/* 2510: disable Web Audio API [FF51+] + * [1] https://bugzilla.mozilla.org/1288359 ***/ +pref("dom.webaudio.enabled", false); +/* 2517: disable Media Capabilities API [FF63+] + * [SETUP-PERF] This *may* affect media performance if disabled, no one is sure + * [1] https://github.com/WICG/media-capabilities + * [2] https://wicg.github.io/media-capabilities/#security-privacy-considerations ***/ + // pref("media.media-capabilities.enabled", false); + +/*** [SECTION 2600]: MISCELLANEOUS ***/ +pref("_user.js.parrot", "2600 syntax error: the parrot's run down the curtain!"); +/* 2601: prevent accessibility services from accessing your browser [RESTART] + * [SETTING] Privacy & Security>Permissions>Prevent accessibility services from accessing your browser + * [1] https://support.mozilla.org/kb/accessibility-services ***/ +pref("accessibility.force_disabled", 1); +/* 2602: disable sending additional analytics to web servers + * [1] https://developer.mozilla.org/docs/Web/API/Navigator/sendBeacon ***/ +pref("beacon.enabled", false); +/* 2603: remove temp files opened with an external application + * [1] https://bugzilla.mozilla.org/302433 ***/ +pref("browser.helperApps.deleteTempFileOnExit", true); +/* 2604: disable page thumbnail collection + * look in profile/thumbnails directory - you may want to clean that out ***/ +pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF] +/* 2605: block web content in file processes [FF55+] + * [SETUP-WEB] You may want to disable this for corporate or developer environments + * [1] https://bugzilla.mozilla.org/1343184 ***/ +pref("browser.tabs.remote.allowLinkedWebInFileUriProcess", false); +/* 2606: disable UITour backend so there is no chance that a remote page can use it ***/ +pref("browser.uitour.enabled", false); +pref("browser.uitour.url", ""); +/* 2607: disable various developer tools in browser context + * [SETTING] Devtools>Advanced Settings>Enable browser chrome and add-on debugging toolboxes + * [1] https://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676 ***/ +pref("devtools.chrome.enabled", false); +/* 2608: disable WebIDE to prevent remote debugging and ADB extension download + * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/ +pref("devtools.debugger.remote-enabled", false); +pref("devtools.webide.enabled", false); +pref("devtools.webide.autoinstallADBExtension", false); // [FF64+] +/* 2609: disable MathML (Mathematical Markup Language) [FF51+] + * [TEST] http://browserspy.dk/mathml.php + * [1] https://bugzilla.mozilla.org/1173199 ***/ +pref("mathml.disabled", true); +/* 2610: disable in-content SVG (Scalable Vector Graphics) [FF53+] + * [SETUP-WEB] Expect breakage incl. youtube player controls. Best left for a "hardened" profile. + * [1] https://bugzilla.mozilla.org/1216893 ***/ + // pref("svg.disabled", true); +/* 2611: disable middle mouse click opening links from clipboard + * [1] https://trac.torproject.org/projects/tor/ticket/10089 + * [2] http://kb.mozillazine.org/Middlemouse.contentLoadURL ***/ +pref("middlemouse.contentLoadURL", false); +/* 2614: limit HTTP redirects (this does not control redirects with HTML meta tags or JS) + * [NOTE] A low setting of 5 or under will probably break some sites (e.g. gmail logins) + * To control HTML Meta tag and JS redirects, use an extension. Default is 20 ***/ +pref("network.http.redirection-limit", 10); +/* 2615: disable websites overriding Firefox's keyboard shortcuts [FF58+] + * 0 (default) or 1=allow, 2=block + * [NOTE] In FF65 and under, causes issues with delete and backspace keys (see 1445942) + * [SETTING] to add site exceptions: Page Info>Permissions>Override Keyboard Shortcuts ***/ + // pref("permissions.default.shortcuts", 2); +/* 2616: remove special permissions for certain mozilla domains [FF35+] + * [1] resource://app/defaults/permissions ***/ +pref("permissions.manager.defaultsUrl", ""); +/* 2617: remove webchannel whitelist ***/ +pref("webchannel.allowObject.urlWhitelist", ""); +/* 2618: disable exposure of system colors to CSS or canvas [FF44+] + * [NOTE] See second listed bug: may cause black on black for elements with undefined colors + * [SETUP-CHROME] Might affect CSS in themes and extensions + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=232227,1330876 ***/ +pref("ui.use_standins_for_native_colors", true); // [HIDDEN PREF] +/* 2619: enforce Punycode for Internationalized Domain Names to eliminate possible spoofing + * Firefox has *some* protections, but it is better to be safe than sorry. The downside: it will also + * display legitimate IDN's punycoded, which might be undesirable for users of non-latin alphabets + * [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] CVE-2017-5383: https://www.mozilla.org/security/advisories/mfsa2017-02/ + * [4] https://www.xudongz.com/blog/2017/idn-phishing/ ***/ +pref("network.IDN_show_punycode", true); +/* 2620: enable Firefox's built-in PDF reader + * This setting controls if the option "Display in Firefox" in the above setting is available + * and by effect controls whether PDFs are handled in-browser or externally ("Ask" or "Open With") + * PROS: pdfjs is lightweight, open source, and as secure/vetted as any pdf reader out there (more than most) + * Exploits are rare (1 serious case in 4 yrs), treated seriously and patched quickly. + * It doesn't break "state separation" of browser content (by not sharing with OS, independent apps). + * It maintains disk avoidance and application data isolation. It's convenient. You can still save to disk. + * CONS: You may prefer a different pdf reader for security reasons + * CAVEAT: JS can still force a pdf to open in-browser by bundling its own code (rare) + * [SETTING] General>Applications>Portable Document Format (PDF) ***/ +pref("pdfjs.disabled", false); +/* 2621: disable links launching Windows Store on Windows 8/8.1/10 [WINDOWS] + * [1] https://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/ +pref("network.protocol-handler.external.ms-windows-store", false); + +/** DOWNLOADS ***/ +/* 2650: discourage downloading to desktop (0=desktop 1=downloads 2=last used) + * [SETTING] To set your default "downloads": General>Downloads>Save files to ***/ +pref("browser.download.folderList", 2); +/* 2651: enforce user interaction for security by always asking the user where to download + * [SETTING] General>Downloads>Always ask you where to save files ***/ +pref("browser.download.useDownloadDir", false); +/* 2652: disable adding downloads to the system's "recent documents" list ***/ +pref("browser.download.manager.addToRecentDocs", false); +/* 2653: disable hiding mime types (Options>General>Applications) not associated with a plugin ***/ +pref("browser.download.hide_plugins_without_extensions", false); +/* 2654: disable "open with" in download dialog [FF50+] + * This is very useful to enable when the browser is sandboxed (e.g. via AppArmor) + * in such a way that it is forbidden to run external applications. + * [SETUP-CHROME] This may interfere with some users' workflow or methods + * [1] https://bugzilla.mozilla.org/1281959 ***/ +pref("browser.download.forbid_open_with", true); + +/** EXTENSIONS ***/ +/* 2660: lock down allowed extension directories + * [SETUP-CHROME] This will break extensions, language packs, themes and any other XPI files which are + * installed outside of profile directories (see GitHub issue #674 for an issue with language packs in Linux) + * [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/ + * [1] archived: https://archive.is/DYjAM ***/ + // pref("extensions.enabledScopes", 1); // [HIDDEN PREF] //BRACE-COMMENTED + // pref("extensions.autoDisableScopes", 15); //BRACE-COMMENTED +/* 2662: disable webextension restrictions on certain mozilla domains (also see 4503) [FF60+] + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/ + // pref("extensions.webextensions.restrictedDomains", ""); +/* 2663: enable warning when websites try to install add-ons + * [SETTING] Privacy & Security>Permissions>Warn you when websites try to install add-ons ***/ +pref("xpinstall.whitelist.required", true); // [DEFAULT: true] + +/** SECURITY ***/ +/* 2680: enable CSP (Content Security Policy) + * [1] https://developer.mozilla.org/docs/Web/HTTP/CSP ***/ +pref("security.csp.enable", true); // [DEFAULT: true] +/* 2682: enable CSP 1.1 experimental hash-source directive [FF29+] + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=855326,883975 ***/ +pref("security.csp.experimentalEnabled", true); +/* 2683: block top level window data: URIs [FF56+] + * [1] https://bugzilla.mozilla.org/1331351 + * [2] https://www.wordfence.com/blog/2017/01/gmail-phishing-data-uri/ + * [3] https://www.fxsitecompat.com/en-CA/docs/2017/data-url-navigations-on-top-level-window-will-be-blocked/ ***/ +pref("security.data_uri.block_toplevel_data_uri_navigations", true); // [DEFAULT: true] +/* 2684: enforce a security delay on some confirmation dialogs such as install, open/save + * [1] http://kb.mozillazine.org/Disable_extension_install_delay_-_Firefox + * [2] https://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/ +pref("security.dialog_enable_delay", 700); + +/*** [SECTION 2700]: PERSISTENT STORAGE + Data SET by websites including + cookies : profile\cookies.sqlite + localStorage : profile\webappsstore.sqlite + indexedDB : profile\storage\default + appCache : profile\OfflineCache + serviceWorkers : + + [NOTE] indexedDB and serviceWorkers are not available in Private Browsing Mode + [NOTE] Blocking cookies also blocks websites access to: localStorage (incl. sessionStorage), + indexedDB, sharedWorker, and serviceWorker (and therefore service worker cache and notifications) + If you set a site exception for cookies (either "Allow" or "Allow for Session") then they become + accessible to websites except shared/service workers where the cookie setting *must* be "Allow" +***/ +pref("_user.js.parrot", "2700 syntax error: the parrot's joined the bleedin' choir invisible!"); +/* 2701: disable 3rd-party cookies and site-data + * 0=Accept cookies and site data (default), 1=(Block) All third-party cookies, 2=(Block) All cookies, + * 3=(Block) Cookies from unvisited sites, 4=(Block) Third-party trackers (FF63+) + * [NOTE] Value 4 is tied to the Tracking Protection lists + * [NOTE] You can set exceptions under site permissions or use an extension + * [SETTING] Privacy & Security>Content Blocking>Custom>Choose what to block>Cookies ***/ +pref("network.cookie.cookieBehavior", 1); +/* 2702: set third-party cookies (i.e ALL) (if enabled, see 2701) to session-only + and (FF58+) set third-party non-secure (i.e HTTP) cookies to session-only + [NOTE] .sessionOnly overrides .nonsecureSessionOnly except when .sessionOnly=false and + .nonsecureSessionOnly=true. This allows you to keep HTTPS cookies, but session-only HTTP ones + * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ + * [2] http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly ***/ +pref("network.cookie.thirdparty.sessionOnly", true); +pref("network.cookie.thirdparty.nonsecureSessionOnly", true); // [FF58+] +/* 2703: delete cookies and site data on close + * 0=keep until they expire (default), 2=keep until you close Firefox + * [NOTE] The setting below is disabled (but not changed) if you block all cookies (2701 = 2) + * [SETTING] Privacy & Security>Cookies and Site Data>Delete cookies and site data when Firefox is closed ***/ + // pref("network.cookie.lifetimePolicy", 2); +/* 2705: disable HTTP sites setting cookies with the "secure" directive [FF52+] + * [1] https://developer.mozilla.org/Firefox/Releases/52#HTTP ***/ +pref("network.cookie.leave-secure-alone", true); // [DEFAULT: true] +/* 2706: enable support for same-site cookies [FF60+] + * [1] https://bugzilla.mozilla.org/795346 + * [2] https://blog.mozilla.org/security/2018/04/24/same-site-cookies-in-firefox-60/ + * [3] https://www.sjoerdlangkemper.nl/2016/04/14/preventing-csrf-with-samesite-cookie-attribute/ ***/ + // pref("network.cookie.same-site.enabled", true); // [DEFAULT: true] +/* 2710: disable DOM (Document Object Model) Storage + * [WARNING] This will break a LOT of sites' functionality AND extensions! + * You are better off using an extension for more granular control ***/ + // pref("dom.storage.enabled", false); +/* 2720: enforce IndexedDB (IDB) as enabled + * IDB is required for extensions and Firefox internals (even before FF63 in [1]) + * To control *website* IDB data, control allowing cookies and service workers, or use + * Temporary Containers. To mitigate *website* IDB, FPI helps (4001), and/or sanitize + * on close (Offline Website Data, see 2800) or on-demand (Ctrl-Shift-Del), or automatically + * via an extension. Note that IDB currently cannot be sanitized by host. + * [1] https://blog.mozilla.org/addons/2018/08/03/new-backend-for-storage-local-api/ ***/ +pref("dom.indexedDB.enabled", true); // [DEFAULT: true] +/* 2730: disable offline cache ***/ + // pref("browser.cache.offline.enable", false); //BRACE-COMMENTED +/* 2730b: disable offline cache on insecure sites [FF60+] + * [1] https://blog.mozilla.org/security/2018/02/12/restricting-appcache-secure-contexts/ ***/ +pref("browser.cache.offline.insecure.enable", false); // [DEFAULT: false in FF62+] +/* 2731: enforce websites to ask to store data for offline use + * [1] https://support.mozilla.org/questions/1098540 + * [2] https://bugzilla.mozilla.org/959985 ***/ +pref("offline-apps.allow_by_default", false); +/* 2740: disable service workers cache and cache storage + * [1] https://w3c.github.io/ServiceWorker/#privacy ***/ +pref("dom.caches.enabled", false); +/* 2750: disable Storage API [FF51+] + * The API gives sites the ability to find out how much space they can use, how much + * they are already using, and even control whether or not they need to be alerted + * before the user agent disposes of site data in order to make room for other things. + * [1] https://developer.mozilla.org/docs/Web/API/StorageManager + * [2] https://developer.mozilla.org/docs/Web/API/Storage_API + * [3] https://blog.mozilla.org/l10n/2017/03/07/firefox-l10n-report-aurora-54/ ***/ + // pref("dom.storageManager.enabled", false); +/* 2755: disable Storage Access API [FF65+] + * [1] https://developer.mozilla.org/en-US/docs/Web/API/Storage_Access_API ***/ + // pref("dom.storage_access.enabled", false); + +/*** [SECTION 2800]: SHUTDOWN [SETUP-CHROME] + You should set the values to what suits you best. + - "Offline Website Data" includes appCache (2730), localStorage (2710), + Service Worker cache (2740), and QuotaManager (IndexedDB (2720), asm-cache) + - In both 2803 + 2804, the 'download' and 'history' prefs are combined in the + Firefox interface as "Browsing & Download History" and their values will be synced +***/ +pref("_user.js.parrot", "2800 syntax error: the parrot's bleedin' demised!"); +/* 2802: enable Firefox to clear items on shutdown (see 2803) + * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes ***/ +pref("privacy.sanitize.sanitizeOnShutdown", false); //BRACE-DISABLED +/* 2803: set what items to clear on shutdown (if 2802 is true) + * [NOTE] If 'history' is true, downloads will also be cleared regardless of the value + * but if 'history' is false, downloads can still be cleared independently + * However, this may not always be the case. The interface combines and syncs these + * prefs when set from there, and the sanitize code may change at any time + * [SETTING] Privacy & Security>History>Custom Settings>Clear history when Firefox closes>Settings ***/ +pref("privacy.clearOnShutdown.cache", true); +pref("privacy.clearOnShutdown.cookies", true); +pref("privacy.clearOnShutdown.downloads", true); // see note above +pref("privacy.clearOnShutdown.formdata", true); // Form & Search History +pref("privacy.clearOnShutdown.history", true); // Browsing & Download History +pref("privacy.clearOnShutdown.offlineApps", true); // Offline Website Data +pref("privacy.clearOnShutdown.sessions", true); // Active Logins +pref("privacy.clearOnShutdown.siteSettings", false); // Site Preferences +/* 2804: reset default items to clear with Ctrl-Shift-Del (to match 2803) + * This dialog can also be accessed from the menu History>Clear Recent History + * Firefox remembers your last choices. This will reset them when you start Firefox. + * [NOTE] Regardless of what you set privacy.cpd.downloads to, as soon as the dialog + * for "Clear Recent History" is opened, it is synced to the same as 'history' ***/ +pref("privacy.cpd.cache", true); +pref("privacy.cpd.cookies", true); + // pref("privacy.cpd.downloads", true); // not used, see note above +pref("privacy.cpd.formdata", true); // Form & Search History +pref("privacy.cpd.history", true); // Browsing & Download History +pref("privacy.cpd.offlineApps", true); // Offline Website Data +pref("privacy.cpd.passwords", false); // this is not listed +pref("privacy.cpd.sessions", true); // Active Logins +pref("privacy.cpd.siteSettings", false); // Site Preferences +/* 2805: privacy.*.openWindows (clear session restore data) [FF34+] + * [NOTE] There is a years-old bug that these cause two windows when Firefox restarts. + * You do not need these anyway if session restore is cleared with history (see 2803) ***/ + // pref("privacy.clearOnShutdown.openWindows", true); + // pref("privacy.cpd.openWindows", true); +/* 2806: reset default 'Time range to clear' for 'Clear Recent History' (see 2804) + * Firefox remembers your last choice. This will reset the value when you start Firefox. + * 0=everything, 1=last hour, 2=last two hours, 3=last four hours, + * 4=today, 5=last five minutes, 6=last twenty-four hours + * [NOTE] The values 5 + 6 are not listed in the dropdown, which will display a + * blank value if they are used, but they do work as advertised ***/ +pref("privacy.sanitize.timeSpan", 0); + +/*** [SECTION 4000]: FPI (FIRST PARTY ISOLATION) + ** 1278037 - isolate indexedDB (FF51+) + ** 1277803 - isolate favicons (FF52+) + ** 1264562 - isolate OCSP cache (FF52+) + ** 1268726 - isolate Shared Workers (FF52+) + ** 1316283 - isolate SSL session cache (FF52+) + ** 1317927 - isolate media cache (FF53+) + ** 1323644 - isolate HSTS and HPKP (FF54+) + ** 1334690 - isolate HTTP Alternative Services (FF54+) + ** 1334693 - isolate SPDY/HTTP2 (FF55+) + ** 1337893 - isolate DNS cache (FF55+) + ** 1344170 - isolate blob: URI (FF55+) + ** 1300671 - isolate data:, about: URLs (FF55+) + ** 1473247 - isolate IP addresses (FF63+) + ** 1492607 - isolate postMessage with targetOrigin "*" (requires 4002) (FF65+) +***/ +pref("_user.js.parrot", "4000 syntax error: the parrot's pegged out"); +/* 4001: enable First Party Isolation [FF51+] + * [SETUP-WEB] May break cross-domain logins and site functionality until perfected + * [1] https://bugzilla.mozilla.org/1260931 ***/ +pref("privacy.firstparty.isolate", true); +/* 4002: enforce FPI restriction for window.opener [FF54+] + * [NOTE] Setting this to false may reduce the breakage in 4001 + * FF65+ blocks postMessage with targetOrigin "*" if originAttributes don't match. But + * to reduce breakage it ignores the 1st-party domain (FPD) originAttribute. (see [2],[3]) + * The 2nd pref removes that limitation and will only allow communication if FPDs also match. + * [1] https://bugzilla.mozilla.org/1319773#c22 + * [2] https://bugzilla.mozilla.org/1492607 + * [3] https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage ***/ +pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAULT: true] + // pref("privacy.firstparty.isolate.block_post_message", true); // [HIDDEN PREF] + +/*** [SECTION 4500]: RFP (RESIST FINGERPRINTING) + This master switch will be used for a wide range of items, many of which will + **override** existing prefs from FF55+, often providing a **better** solution + + IMPORTANT: As existing prefs become redundant, and some of them WILL interfere + with how RFP works, they will be moved to section 4600 and made inactive + + ** 418986 - limit window.screen & CSS media queries leaking identifiable info (FF41+) + [POC] http://ip-check.info/?lang=en (screen, usable screen, and browser window will match) + [NOTE] Does not cover everything yet - https://bugzilla.mozilla.org/1216800 + [NOTE] This will probably make your values pretty unique until you resize or snap the + inner window width + height into standard/common resolutions (such as 1366x768) + To set a size, open a XUL (chrome) page (such as about:config) which is at 100% zoom, hit + Shift+F4 to open the scratchpad, type window.resizeTo(1366,768), hit Ctrl+R to run. Test + your window size, do some math, resize to allow for all the non inner window elements + [TEST] https://ghacksuserjs.github.io/TorZillaPrint/TorZillaPrint.html#screen + ** 1281949 - spoof screen orientation (FF50+) + ** 1281963 - hide the contents of navigator.plugins and navigator.mimeTypes (FF50+) + FF53: Fixes GetSupportedNames in nsMimeTypeArray and nsPluginArray (1324044) + ** 1330890 - spoof timezone as UTC 0 (FF55+) + FF58: Date.toLocaleFormat deprecated (818634) + FF60: Date.toLocaleDateString and Intl.DateTimeFormat fixed (1409973) + ** 1360039 - spoof navigator.hardwareConcurrency as 2 (see 4601) (FF55+) + This spoof *shouldn't* affect core chrome/Firefox performance + ** 1217238 - reduce precision of time exposed by javascript (FF55+) + ** 1369303 - spoof/disable performance API (see 2410-deprecated, 4602, 4603) (FF56+) + ** 1333651 & 1383495 & 1396468 - spoof Navigator API (see section 4700) (FF56+) + FF56: The version number will be rounded down to the nearest multiple of 10 + FF57: The version number will match current ESR (1393283, 1418672, 1418162, 1511763) + FF59: The OS will be reported as Windows, OSX, Android, or Linux (to reduce breakage) (1404608) + FF66: The OS in HTTP Headers will be reduced to Windows or Android (1509829) + ** 1369319 - disable device sensor API (see 4604) (FF56+) + ** 1369357 - disable site specific zoom (see 4605) (FF56+) + ** 1337161 - hide gamepads from content (see 4606) (FF56+) + ** 1372072 - spoof network information API as "unknown" when dom.netinfo.enabled = true (see 4607) (FF56+) + ** 1333641 - reduce fingerprinting in WebSpeech API (see 4608) (FF56+) + ** 1372069 & 1403813 & 1441295 - block geolocation requests (same as denying a site permission) (see 0201, 0201b) (FF56-62) + ** 1369309 - spoof media statistics (see 4610) (FF57+) + ** 1382499 - reduce screen co-ordinate fingerprinting in Touch API (see 4611) (FF57+) + ** 1217290 & 1409677 - enable fingerprinting resistance for WebGL (see 2010-12) (FF57+) + ** 1382545 - reduce fingerprinting in Animation API (FF57+) + ** 1354633 - limit MediaError.message to a whitelist (FF57+) + ** 1382533 - enable fingerprinting resistance for Presentation API (FF57+) + This blocks exposure of local IP Addresses via mDNS (Multicast DNS) + ** 967895 - enable site permission prompt before allowing canvas data extraction (FF58+) + FF59: Added to site permissions panel (1413780) Only prompt when triggered by user input (1376865) + ** 1372073 - spoof/block fingerprinting in MediaDevices API (FF59+) + Spoof: enumerate devices reports one "Internal Camera" and one "Internal Microphone" if + media.navigator.enabled is true (see 2505 which we chose to keep disabled) + Block: suppresses the ondevicechange event (see 4612) + ** 1039069 - warn when language prefs are set to non en-US (see 0207, 0208) (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. + FF60: Fix keydown/keyup events (1438795) + ** 1337157 - disable WebGL debug renderer info (see 4613) (FF60+) + ** 1459089 - disable OS locale in HTTP Accept-Language headers (ANDROID) (FF62+) + ** 1363508 - spoof/suppress Pointer Events (see 4614) (FF64+) + FF65: pointerEvent.pointerid (1492766) + ** 1485266 - disable exposure of system colors to CSS or canvas (see 2618) (FF67+) + ** 1407366 - enable inner window letterboxing (see 4504) (FF67+) + ** 1540726 - enforce "light" with prefers-color-scheme (FF67+) + [1] https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme +***/ +pref("_user.js.parrot", "4500 syntax error: the parrot's popped 'is clogs"); +/* 4501: enable privacy.resistFingerprinting [FF41+] + * This pref is the master switch for all other privacy.resist* prefs unless stated + * [SETUP-WEB] RFP is not ready for the masses, so expect some website breakage + * [1] https://bugzilla.mozilla.org/418986 ***/ +pref("privacy.resistFingerprinting", true); +/* 4502: set new window sizes to round to hundreds [FF55+] [SETUP-CHROME] + * Width will round down to multiples of 200s and height to 100s, to fit your screen. + * The override values are a starting point to round from if you want some control + * [1] https://bugzilla.mozilla.org/1330882 + * [2] https://hardware.metrics.mozilla.com/ ***/ + // pref("privacy.window.maxInnerWidth", 1600); // [HIDDEN PREF] + // pref("privacy.window.maxInnerHeight", 900); // [HIDDEN PREF] +/* 4503: disable mozAddonManager Web API [FF57+] + * [NOTE] As a side-effect in FF57-59 this allowed extensions to work on AMO. In FF60+ you also need + * to sanitize or clear extensions.webextensions.restrictedDomains (see 2662) to keep that side-effect + * [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1384330,1406795,1415644,1453988 ***/ +pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF] +/* 4504: enable RFP letterboxing [FF67+] + * Dynamically resizes the inner window in 200w x100h steps by applying letterboxing, using dimensions + * which waste the least content area, If you use the dimension pref, then it will only apply those + * resolutions. The format is "width1xheight1, width2xheight2, ..." (e.g. "800x600, 1000x1000, 1600x900") + * [NOTE] This does NOT require RFP (see 4501) **for now** + * [WARNING] The dimension pref is only meant for testing, and we recommend you DO NOT USE it + * [1] https://bugzilla.mozilla.org/1407366 ***/ +pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF] + // pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF] +/* 4510: disable showing about:blank as soon as possible during startup [FF60+] + * When default true (FF62+) this no longer masks the RFP chrome resizing activity + * [1] https://bugzilla.mozilla.org/1448423 ***/ +pref("browser.startup.blankWindow", false); + +/*** [SECTION 4600]: RFP ALTERNATIVES + * IF you DO use RFP (see 4500) then you DO NOT need these redundant prefs. In fact, + some even cause RFP to not behave as you would expect and alter your fingerprint. + Make sure they are RESET in about:config as per your Firefox version + * IF you DO NOT use RFP or are on ESR... then turn on each ESR section below +***/ +pref("_user.js.parrot", "4600 syntax error: the parrot's crossed the Jordan"); +/* [SETUP-non-RFP] Non-RFP users replace the * with a slash on this line to enable these +// FF55+ +// 4601: [2514] spoof (or limit?) number of CPU cores [FF48+] + // [NOTE] *may* affect core chrome/Firefox performance, will affect content. + // [1] https://bugzilla.mozilla.org/1008453 + // [2] https://trac.torproject.org/projects/tor/ticket/21675 + // [3] https://trac.torproject.org/projects/tor/ticket/22127 + // [4] https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency + // pref("dom.maxHardwareConcurrency", 2); +// * * * / +// FF56+ +// 4602: [2411] disable resource/navigation timing +pref("dom.enable_resource_timing", false); +// 4603: [2412] disable timing attacks + // [1] https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI +pref("dom.enable_performance", false); +// 4604: [2512] disable device sensor API + // Optional protection depending on your device + // [1] https://trac.torproject.org/projects/tor/ticket/15758 + // [2] https://blog.lukaszolejnik.com/stealing-sensitive-browser-data-with-the-w3c-ambient-light-sensor-api/ + // [3] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1357733,1292751 + // pref("device.sensors.enabled", false); +// 4605: [2515] disable site specific zoom + // Zoom levels affect screen res and are highly fingerprintable. This does not stop you using + // zoom, it will just not use/remember any site specific settings. Zoom levels on new tabs + // and new windows are reset to default and only the current tab retains the current zoom +pref("browser.zoom.siteSpecific", false); +// 4606: [2501] disable gamepad API - USB device ID enumeration + // Optional protection depending on your connected devices + // [1] https://trac.torproject.org/projects/tor/ticket/13023 + // pref("dom.gamepad.enabled", false); +// 4607: [2503] disable giving away network info [FF31+] + // e.g. bluetooth, cellular, ethernet, wifi, wimax, other, mixed, unknown, none + // [1] https://developer.mozilla.org/docs/Web/API/Network_Information_API + // [2] https://wicg.github.io/netinfo/ + // [3] https://bugzilla.mozilla.org/960426 +pref("dom.netinfo.enabled", false); // [DEFAULT: true on Android] +// 4608: [2021] disable the SpeechSynthesis (Text-to-Speech) part of the Web Speech API + // [1] https://developer.mozilla.org/docs/Web/API/Web_Speech_API + // [2] https://developer.mozilla.org/docs/Web/API/SpeechSynthesis + // [3] https://wiki.mozilla.org/HTML5_Speech_API +pref("media.webspeech.synth.enabled", false); +// * * * / +// FF57+ +// 4610: [2506] disable video statistics - JS performance fingerprinting [FF25+] + // [1] https://trac.torproject.org/projects/tor/ticket/15757 + // [2] https://bugzilla.mozilla.org/654550 +pref("media.video_stats.enabled", false); +// 4611: [2509] disable touch events + // fingerprinting attack vector - leaks screen res & actual screen coordinates + // 0=disabled, 1=enabled, 2=autodetect + // Optional protection depending on your device + // [1] https://developer.mozilla.org/docs/Web/API/Touch_events + // [2] https://trac.torproject.org/projects/tor/ticket/10286 + // pref("dom.w3c_touch_events.enabled", 0); +// * * * / +// FF59+ +// 4612: [2511] disable MediaDevices change detection [FF51+] + // [1] https://developer.mozilla.org/docs/Web/Events/devicechange + // [2] https://developer.mozilla.org/docs/Web/API/MediaDevices/ondevicechange +pref("media.ondevicechange.enabled", false); +// * * * / +// FF60+ +// 4613: [2011] disable WebGL debug info being available to websites + // [1] https://bugzilla.mozilla.org/1171228 + // [2] https://developer.mozilla.org/docs/Web/API/WEBGL_debug_renderer_info +pref("webgl.enable-debug-renderer-info", false); +// * * * / +// FF65+ +// 4614: [2516] disable PointerEvents + // [1] https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent +pref("dom.w3c_pointer_events.enabled", false); +// * * * / +// ***/ + +/*** [SECTION 4700]: RFP ALTERNATIVES (NAVIGATOR / USER AGENT (UA) SPOOFING) + This is FYI ONLY. These prefs are INSUFFICIENT(a) on their own, you need + to use RFP (4500) or an extension, in which case they become POINTLESS. + (a) Many of the components that make up your UA can be derived by other means. + And when those values differ, you provide more bits and raise entropy. + Examples of leaks include navigator objects, date locale/formats, iframes, + headers, tcp/ip attributes, feature detection, and **many** more. + ALL values below intentionally left blank - use RFP, or get a vetted, tested + extension and mimic RFP values to *lower* entropy, or randomize to *raise* it +***/ +pref("_user.js.parrot", "4700 syntax error: the parrot's taken 'is last bow"); +/* 4701: navigator.userAgent ***/ + // pref("general.useragent.override", ""); // [HIDDEN PREF] +/* 4702: navigator.buildID + * Revealed build time down to the second. In FF64+ it now returns a fixed timestamp + * [1] https://bugzilla.mozilla.org/583181 + * [2] https://www.fxsitecompat.com/en-CA/docs/2018/navigator-buildid-now-returns-a-fixed-timestamp/ ***/ + // pref("general.buildID.override", ""); // [HIDDEN PREF] +/* 4703: navigator.appName ***/ + // pref("general.appname.override", ""); // [HIDDEN PREF] +/* 4704: navigator.appVersion ***/ + // pref("general.appversion.override", ""); // [HIDDEN PREF] +/* 4705: navigator.platform ***/ + // pref("general.platform.override", ""); // [HIDDEN PREF] +/* 4706: navigator.oscpu ***/ + // pref("general.oscpu.override", ""); // [HIDDEN PREF] + +/*** [SECTION 5000]: PERSONAL + Non-project related but useful. If any of these interest you, add them to your overrides ***/ +pref("_user.js.parrot", "5000 syntax error: this is an ex-parrot!"); +/* WELCOME & WHAT's NEW NOTICES ***/ + // pref("browser.startup.homepage_override.mstone", "ignore"); // master switch + // pref("startup.homepage_welcome_url", ""); + // pref("startup.homepage_welcome_url.additional", ""); + // pref("startup.homepage_override_url", ""); // What's New page after updates +/* WARNINGS ***/ + // pref("browser.tabs.warnOnClose", false); + // pref("browser.tabs.warnOnCloseOtherTabs", false); + // pref("browser.tabs.warnOnOpen", false); + // pref("full-screen-api.warning.delay", 0); + // pref("full-screen-api.warning.timeout", 0); + // pref("general.warnOnAboutConfig", false); +/* APPEARANCE ***/ + // pref("browser.download.autohideButton", false); // [FF57+] + // pref("toolkit.cosmeticAnimations.enabled", false); // [FF55+] +/* CONTENT BEHAVIOR ***/ + // pref("accessibility.typeaheadfind", true); // enable "Find As You Type" +pref("clipboard.autocopy", false); // disable autocopy default [LINUX] //BRACE-UNCOMMENTED + // pref("layout.spellcheckDefault", 2); // 0=none, 1-multi-line, 2=multi-line & single-line +/* UX BEHAVIOR ***/ + // pref("browser.backspace_action", 2); // 0=previous page, 1=scroll up, 2=do nothing + // pref("browser.tabs.closeWindowWithLastTab", false); + // pref("browser.tabs.loadBookmarksInTabs", true); // open bookmarks in a new tab [FF57+] + // pref("browser.urlbar.decodeURLsOnCopy", true); // see bugzilla 1320061 [FF53+] + // pref("general.autoScroll", false); // middle-click enabling auto-scrolling [WINDOWS] [MAC] + // pref("ui.key.menuAccessKey", 0); // disable alt key toggling the menu bar [RESTART] +/* OTHER ***/ +pref("browser.bookmarks.max_backups", 2); //BRACE-UNCOMMENTED +pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr", false); // disable CFR [FF64+] //BRACE-UNCOMMENTED + // [SETTING] General>Browsing>Recommend extensions as you browse + // [1] https://support.mozilla.org/en-US/kb/extension-recommendations +pref("identity.fxaccounts.enabled", false); // disable and hide Firefox Accounts and Sync [FF60+] [RESTART] //BRACE-UNCOMMENTED +pref("network.manage-offline-status", false); // see bugzilla 620472 //BRACE-UNCOMMENTED + // pref("reader.parse-on-load.enabled", false); // "Reader View" + // pref("xpinstall.signatures.required", false); // enforced extension signing (Nightly/ESR) + +/*** [SECTION 9999]: DEPRECATED / REMOVED / LEGACY / RENAMED + Documentation denoted as [-]. Numbers may be re-used. See [1] for a link-clickable, + viewer-friendly version of the deprecated bugzilla tickets. The original state of each pref + has been preserved, or changed to match the current setup, but you are advised to review them. + [NOTE] Up to FF53, to enable a section change /* FFxx to // FFxx + For FF53 on, we have bundled releases to cater for ESR. Change /* to // on the first line + [1] https://github.com/ghacksuserjs/ghacks-user.js/issues/123 +***/ +pref("_user.js.parrot", "9999 syntax error: the parrot's deprecated!"); +/* FF42 and older +// 2604: (25+) disable page thumbnails - replaced by browser.pagethumbnails.capturing_disabled + // [-] https://bugzilla.mozilla.org/897811 +pref("pageThumbs.enabled", false); +// 2503: (31+) disable network API - replaced by dom.netinfo.enabled + // [-] https://bugzilla.mozilla.org/960426 +pref("dom.network.enabled", false); +// 2600's: (35+) disable WebSockets + // [-] https://bugzilla.mozilla.org/1091016 +pref("network.websocket.enabled", false); +// 1610: (36+) set DNT "value" to "not be tracked" [FF21+] + // [1] http://kb.mozillazine.org/Privacy.donottrackheader.value + // [-] https://bugzilla.mozilla.org/1042135#c101 + // pref("privacy.donottrackheader.value", 1); +// 2023: (37+) disable camera autofocus callback + // The API will be superseded by the WebRTC Capture and Stream API + // [1] https://developer.mozilla.org/docs/Archive/B2G_OS/API/CameraControl + // [-] https://bugzilla.mozilla.org/1107683 +pref("camera.control.autofocus_moving_callback.enabled", false); +// 0415: (41+) disable reporting URLs (safe browsing) - removed or replaced by various + // [-] https://bugzilla.mozilla.org/1109475 +pref("browser.safebrowsing.reportErrorURL", ""); // browser.safebrowsing.reportPhishMistakeURL +pref("browser.safebrowsing.reportGenericURL", ""); // removed +pref("browser.safebrowsing.reportMalwareErrorURL", ""); // browser.safebrowsing.reportMalwareMistakeURL +pref("browser.safebrowsing.reportMalwareURL", ""); // removed +pref("browser.safebrowsing.reportURL", ""); // removed +// 0702: (41+) disable HTTP2 (draft) + // [-] https://bugzilla.mozilla.org/1132357 +pref("network.http.spdy.enabled.http2draft", false); +// 1804: (41+) disable plugin enumeration + // [-] https://bugzilla.mozilla.org/1169945 +pref("plugins.enumerable_names", ""); +// 2803: (42+) clear passwords on shutdown + // [-] https://bugzilla.mozilla.org/1102184 + // pref("privacy.clearOnShutdown.passwords", false); +// 5002: (42+) disable warning when a domain requests full screen + // replaced by setting full-screen-api.warning.timeout to zero + // [-] https://bugzilla.mozilla.org/1160017 + // pref("full-screen-api.approval-required", false); +// ***/ +/* FF43 +// 0410's: disable safebrowsing urls & updates - replaced by various + // [-] https://bugzilla.mozilla.org/1107372 + // pref("browser.safebrowsing.gethashURL", ""); // browser.safebrowsing.provider.google.gethashURL + // pref("browser.safebrowsing.updateURL", ""); // browser.safebrowsing.provider.google.updateURL +pref("browser.safebrowsing.malware.reportURL", ""); // browser.safebrowsing.provider.google.reportURL +// 0420's: disable tracking protection - replaced by various + // [-] https://bugzilla.mozilla.org/1107372 + // pref("browser.trackingprotection.gethashURL", ""); // browser.safebrowsing.provider.mozilla.gethashURL + // pref("browser.trackingprotection.updateURL", ""); // browser.safebrowsing.provider.mozilla.updateURL +// 1803: remove plugin finder service + // [1] http://kb.mozillazine.org/Pfs.datasource.url + // [-] https://bugzilla.mozilla.org/1202193 +pref("pfs.datasource.url", ""); +// 5003: disable new search panel UI + // [-] https://bugzilla.mozilla.org/1119250 + // pref("browser.search.showOneOffButtons", false); +// ***/ +/* FF44 +// 0414: disable safebrowsing's real-time binary checking (google) [FF43+] + // [-] https://bugzilla.mozilla.org/1237103 +pref("browser.safebrowsing.provider.google.appRepURL", ""); // browser.safebrowsing.appRepURL +// 1200's: block rc4 whitelist + // [-] https://bugzilla.mozilla.org/1215796 +pref("security.tls.insecure_fallback_hosts.use_static_list", false); +// 2300's: disable SharedWorkers + // [1] https://trac.torproject.org/projects/tor/ticket/15562 + // [-] https://bugzilla.mozilla.org/1207635 +pref("dom.workers.sharedWorkers.enabled", false); +// 2403: disable scripts changing images + // [TEST] https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_img_src2 + // [-] https://bugzilla.mozilla.org/773429 + // pref("dom.disable_image_src_set", true); +// ***/ +/* FF45 +// 1021b: disable deferred level of storing extra session data 0=all 1=http-only 2=none + // extra session data contains contents of forms, scrollbar positions, cookies and POST data + // [-] https://bugzilla.mozilla.org/1235379 +pref("browser.sessionstore.privacy_level_deferred", 2); +// ***/ +/* FF46 +// 0340: disable health report + // [-] https://bugzilla.mozilla.org/1234526 +pref("datareporting.healthreport.service.enabled", false); // [HIDDEN PREF] +pref("datareporting.healthreport.documentServerURI", ""); // [HIDDEN PREF] +// 0341: disable FHR (Firefox Health Report) v2 data being sent to Mozilla servers + // [-] https://bugzilla.mozilla.org/1234522 +pref("datareporting.policy.dataSubmissionEnabled.v2", false); +// 0414: disable safebrowsing pref - replaced by browser.safebrowsing.downloads.remote.url + // [-] https://bugzilla.mozilla.org/1239587 +pref("browser.safebrowsing.appRepURL", ""); // Google application reputation check +// 0420: disable polaris (part of Tracking Protection, never used in stable) + // [-] https://bugzilla.mozilla.org/1235565 + // pref("browser.polaris.enabled", false); +// 0510: disable "Pocket" [FF39+] - replaced by extensions.pocket.* + // [-] https://bugzilla.mozilla.org/1215694 +pref("browser.pocket.enabled", false); +pref("browser.pocket.api", ""); +pref("browser.pocket.site", ""); +pref("browser.pocket.oAuthConsumerKey", ""); +// ***/ +/* FF47 +// 0330b: set unifiedIsOptIn to make sure telemetry respects OptIn choice and that telemetry + // is enabled ONLY for people that opted into it, even if unified Telemetry is enabled + // [-] https://bugzilla.mozilla.org/1236580 +pref("toolkit.telemetry.unifiedIsOptIn", true); // [HIDDEN PREF] +// 0340b: disable about:healthreport page UNIFIED + // [-] https://bugzilla.mozilla.org/1236580 +pref("datareporting.healthreport.about.reportUrlUnified", "data:text/plain,"); +// 0807: disable history manipulation + // [1] https://developer.mozilla.org/docs/Web/API/History_API + // [-] https://bugzilla.mozilla.org/1249542 +pref("browser.history.allowPopState", false); +pref("browser.history.allowPushState", false); +pref("browser.history.allowReplaceState", false); +// ***/ +/* FF48 +// 0806: disable 'unified complete': 'Search with [default search engine]' + // [-] http://techdows.com/2016/05/firefox-unified-complete-aboutconfig-preference-removed.html + // [-] https://bugzilla.mozilla.org/1181078 +pref("browser.urlbar.unifiedcomplete", false); +// ***/ +/* FF49 +// 0372: disable "Hello" + // [1] https://www.mozilla.org/privacy/archive/hello/2016-03/ + // [2] https://security.stackexchange.com/questions/94284/how-secure-is-firefox-hello + // [-] https://bugzilla.mozilla.org/1287827 +pref("loop.enabled", false); +pref("loop.server", ""); +pref("loop.feedback.formURL", ""); +pref("loop.feedback.manualFormURL", ""); +pref("loop.facebook.appId", ""); +pref("loop.facebook.enabled", false); +pref("loop.facebook.fallbackUrl", ""); +pref("loop.facebook.shareUrl", ""); +pref("loop.logDomains", false); +// 2201: disable new window scrollbars being hidden + // [-] https://bugzilla.mozilla.org/1257887 +pref("dom.disable_window_open_feature.scrollbars", true); +// 2303: disable push notification (UDP wake-up) + // [-] https://bugzilla.mozilla.org/1265914 +pref("dom.push.udp.wakeupEnabled", false); +// ***/ +/* FF50 +// 0101: disable Windows10 intro on startup [WINDOWS] + // [-] https://bugzilla.mozilla.org/1274633 +pref("browser.usedOnWindows10.introURL", ""); +// 0308: disable plugin update notifications + // [-] https://bugzilla.mozilla.org/1277905 +pref("plugins.update.notifyUser", false); +// 0410: disable "Block dangerous and deceptive content" - replaced by browser.safebrowsing.phishing.enabled + // [-] https://bugzilla.mozilla.org/1025965 + // pref("browser.safebrowsing.enabled", false); +// 1266: disable rc4 ciphers + // [1] https://trac.torproject.org/projects/tor/ticket/17369 + // [-] https://bugzilla.mozilla.org/1268728 + // [-] https://www.fxsitecompat.com/en-CA/docs/2016/rc4-support-has-been-completely-removed/ +pref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false); +pref("security.ssl3.ecdhe_rsa_rc4_128_sha", false); +pref("security.ssl3.rsa_rc4_128_md5", false); +pref("security.ssl3.rsa_rc4_128_sha", false); +// 1809: remove Mozilla's plugin update URL + // [-] https://bugzilla.mozilla.org/1277905 +pref("plugins.update.url", ""); +// ***/ +/* FF51 +// 0702: disable SPDY + // [-] https://bugzilla.mozilla.org/1248197 +pref("network.http.spdy.enabled.v3-1", false); +// 1851: delay play of videos until they're visible + // [1] https://bugzilla.mozilla.org/1180563 + // [-] https://bugzilla.mozilla.org/1262053 +pref("media.block-play-until-visible", true); +// 2504: disable virtual reality devices + // [-] https://bugzilla.mozilla.org/1250244 +pref("dom.vr.oculus050.enabled", false); +// ***/ +/* FF52 +// 1601: disable referer from an SSL Website + // [-] https://bugzilla.mozilla.org/1308725 +pref("network.http.sendSecureXSiteReferrer", false); +// 1850: disable Adobe EME "Primetime CDM" (Content Decryption Module) + // [1] https://trac.torproject.org/projects/tor/ticket/16285 + // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1329538,1337121 // FF52 + // [-] https://bugzilla.mozilla.org/1329543 // FF53 +pref("media.gmp-eme-adobe.enabled", false); +pref("media.gmp-eme-adobe.visible", false); +pref("media.gmp-eme-adobe.autoupdate", false); +// 2405: disable WebTelephony API + // [1] https://wiki.mozilla.org/WebAPI/Security/WebTelephony + // [-] https://bugzilla.mozilla.org/1309719 +pref("dom.telephony.enabled", false); +// ***/ +/* FF53 +// 1265: block rc4 fallback + // [-] https://bugzilla.mozilla.org/1130670 +pref("security.tls.unrestricted_rc4_fallback", false); +// 1806: disable Acrobat, Quicktime, WMP (the string = min version number allowed) + // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1317108,1317109,1317110 +pref("plugin.scan.Acrobat", "99999"); +pref("plugin.scan.Quicktime", "99999"); +pref("plugin.scan.WindowsMediaPlayer", "99999"); +// 2022: disable screensharing + // [-] https://bugzilla.mozilla.org/1329562 +pref("media.getusermedia.screensharing.allow_on_old_platforms", false); +// 2507: disable keyboard fingerprinting + // [-] https://bugzilla.mozilla.org/1322736 +pref("dom.beforeAfterKeyboardEvent.enabled", false); +// ***/ +/* FF54 +// 0415: disable reporting URLs (safe browsing) + // [-] https://bugzilla.mozilla.org/1288633 +pref("browser.safebrowsing.reportMalwareMistakeURL", ""); +pref("browser.safebrowsing.reportPhishMistakeURL", ""); +// 1830: block websites detecting DRM is disabled + // [-] https://bugzilla.mozilla.org/1242321 +pref("media.eme.apiVisible", false); +// 2425: disable Archive Reader API + // i.e. reading archive contents directly in the browser, through DOM file objects + // [-] https://bugzilla.mozilla.org/1342361 +pref("dom.archivereader.enabled", false); +// ***/ +/* FF55 +// 0209: disable geolocation on non-secure origins [FF54+] + // [1] https://bugzilla.mozilla.org/1269531 + // [-] https://bugzilla.mozilla.org/1072859 +pref("geo.security.allowinsecure", false); +// 0336: disable "Heartbeat" (Mozilla user rating telemetry) [FF37+] + // [1] https://trac.torproject.org/projects/tor/ticket/18738 + // [-] https://bugzilla.mozilla.org/1361578 +pref("browser.selfsupport.enabled", false); // [HIDDEN PREF] +pref("browser.selfsupport.url", ""); +// 0360: disable new tab "pings" + // [-] https://bugzilla.mozilla.org/1241390 +pref("browser.newtabpage.directory.ping", "data:text/plain,"); +// 0861: disable saving form history on secure websites + // [-] https://bugzilla.mozilla.org/1361220 +pref("browser.formfill.saveHttpsForms", false); +// 0863: disable Form Autofill [FF54+] - replaced by extensions.formautofill.* + // [-] https://bugzilla.mozilla.org/1364334 +pref("browser.formautofill.enabled", false); +// 2410: disable User Timing API + // [1] https://trac.torproject.org/projects/tor/ticket/16336 + // [-] https://bugzilla.mozilla.org/1344669 +pref("dom.enable_user_timing", false); +// 2507: disable keyboard fingerprinting (physical keyboards) [FF38+] + // The Keyboard API allows tracking the "read parameter" of pressed keys in forms on + // web pages. These parameters vary between types of keyboard layouts such as QWERTY, + // AZERTY, Dvorak, and between various languages, e.g. German vs English. + // [WARNING] Don't use if Android + physical keyboard + // [1] https://developer.mozilla.org/docs/Web/API/KeyboardEvent/code + // [2] https://www.privacy-handbuch.de/handbuch_21v.htm + // [-] https://bugzilla.mozilla.org/1352949 +pref("dom.keyboardevent.code.enabled", false); +// 5015: disable tab animation - replaced by toolkit.cosmeticAnimations.enabled + // [-] https://bugzilla.mozilla.org/1352069 +pref("browser.tabs.animate", false); +// 5016: disable fullscreeen animation - replaced by toolkit.cosmeticAnimations.enabled + // [-] https://bugzilla.mozilla.org/1352069 +pref("browser.fullscreen.animate", false); +// ***/ +/* FF56 +// 0515: disable Screenshots (rollout pref only) [FF54+] + // [-] https://bugzilla.mozilla.org/1386333 + // pref("extensions.screenshots.system-disabled", true); +// 0517: disable Form Autofill [FF55+] - replaced by extensions.formautofill.available + // [-] https://bugzilla.mozilla.org/1385201 +pref("extensions.formautofill.experimental", false); +// ***/ +/* FF57 +// 0374: disable "social" integration + // [1] https://developer.mozilla.org/docs/Mozilla/Projects/Social_API + // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1388902,1406193 (some leftovers were removed in FF58) +pref("social.whitelist", ""); +pref("social.toast-notifications.enabled", false); +pref("social.shareDirectory", ""); +pref("social.remote-install.enabled", false); +pref("social.directories", ""); +pref("social.share.activationPanelEnabled", false); +pref("social.enabled", false); // [HIDDEN PREF] +// 1830: disable DRM's EME WideVineAdapter [FF55+] + // [-] https://bugzilla.mozilla.org/1395468 +pref("media.eme.chromium-api.enabled", false); +// 2608: disable WebIDE extension downloads (Valence) + // [1] https://trac.torproject.org/projects/tor/ticket/16222 + // [-] https://bugzilla.mozilla.org/1393497 +pref("devtools.webide.autoinstallFxdtAdapters", false); +pref("devtools.webide.adaptersAddonURL", ""); +// 2600's: disable SimpleServiceDiscovery - which can bypass proxy settings - e.g. Roku + // [1] https://trac.torproject.org/projects/tor/ticket/16222 + // [-] https://bugzilla.mozilla.org/1393582 +pref("browser.casting.enabled", false); +// 5022: hide recently bookmarked items (you still have the original bookmarks) [FF49+] + // [-] https://bugzilla.mozilla.org/1401238 +pref("browser.bookmarks.showRecentlyBookmarked", false); +// ***/ +/* FF58 +// 0351: disable sending of crash reports [FF51+] - replaced by *.autoSubmit2 + // [-] https://bugzilla.mozilla.org/1424373 +pref("browser.crashReports.unsubmittedCheck.autoSubmit", false); +// ***/ +/* FF59 +// 0203: disable using OS locale, force APP locale - replaced by intl.locale.requested + // [-] https://bugzilla.mozilla.org/1414390 +pref("intl.locale.matchOS", false); +// 0204: set APP locale - replaced by intl.locale.requested + // [-] https://bugzilla.mozilla.org/1414390 +pref("general.useragent.locale", "en-US"); +// 0340b: disable about:healthreport page (which connects to Mozilla for locale/css+js+json) + // If you have disabled health reports, then this about page is useless - disable it + // If you want to see what health data is present, then this must be set at default + // [-] https://bugzilla.mozilla.org/1352497 +pref("datareporting.healthreport.about.reportUrl", "data:,"); +// 0511: disable FlyWeb [FF49+] + // Flyweb is a set of APIs for advertising and discovering local-area web servers + // [1] https://flyweb.github.io/ + // [2] https://wiki.mozilla.org/FlyWeb/Security_scenarios + // [3] https://www.ghacks.net/2016/07/26/firefox-flyweb/ + // [-] https://bugzilla.mozilla.org/1374574 +pref("dom.flyweb.enabled", false); +// 1007: disable randomized FF HTTP cache decay experiments + // [1] https://trac.torproject.org/projects/tor/ticket/13575 + // [-] https://bugzilla.mozilla.org/1430197 +pref("browser.cache.frecency_experiment", -1); +// 1242: enable Mixed-Content-Blocker to use the HSTS cache but disable the HSTS Priming requests [FF51+] + // Allow resources from domains with an existing HSTS cache record or in the HSTS preload list + // to be upgraded to HTTPS internally but disable sending out HSTS Priming requests, because + // those may cause noticeable delays e.g. requests time out or are not handled well by servers + // [NOTE] If you want to use the priming requests make sure 'use_hsts' is also true + // [1] https://bugzilla.mozilla.org/1246540#c145 + // [-] https://bugzilla.mozilla.org/1424917 +pref("security.mixed_content.use_hsts", true); +pref("security.mixed_content.send_hsts_priming", false); +// 1606: set the default Referrer Policy [FF53+] - replaced by network.http.referer.defaultPolicy + // [-] https://bugzilla.mozilla.org/587523 +pref("network.http.referer.userControlPolicy", 3); +// 1804: disable plugins using external/untrusted scripts with XPCOM or XPConnect + // [-] (part8) https://bugzilla.mozilla.org/1416703#c21 +pref("security.xpconnect.plugin.unrestricted", false); +// 2022: disable screensharing domain whitelist + // [-] https://bugzilla.mozilla.org/1411742 +pref("media.getusermedia.screensharing.allowed_domains", ""); +// 2023: disable camera stuff + // [-] (part7) https://bugzilla.mozilla.org/1416703#c21 +pref("camera.control.face_detection.enabled", false); +// 2202: prevent scripts from changing the status text + // [-] https://bugzilla.mozilla.org/1425999 +pref("dom.disable_window_status_change", true); +// 2416: disable idle observation + // [-] (part7) https://bugzilla.mozilla.org/1416703#c21 +pref("dom.idle-observers-api.enabled", false); +// ***/ +/* FF60 +// 0360: disable new tab tile ads & preload & marketing junk + // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1370930,1433133 +pref("browser.newtabpage.directory.source", "data:text/plain,"); +pref("browser.newtabpage.enhanced", false); +pref("browser.newtabpage.introShown", true); +// 0512: disable Shield [FF53+] - renamed to app.normandy.* (see 0503) + // Shield is an telemetry system (including Heartbeat) that can also push and test "recipes" + // [1] https://wiki.mozilla.org/Firefox/Shield + // [2] https://github.com/mozilla/normandy + // [-] https://bugzilla.mozilla.org/1436113 +pref("extensions.shield-recipe-client.enabled", false); +pref("extensions.shield-recipe-client.api_url", ""); +// 0514: disable Activity Stream [FF54+] + // [-] https://bugzilla.mozilla.org/1433324 +pref("browser.newtabpage.activity-stream.enabled", false); +// 2301: disable workers + // [SETUP-WEB] Disabling workers *will* break sites (e.g. Google Street View, Twitter) + // [NOTE] CVE-2016-5259, CVE-2016-2812, CVE-2016-1949, CVE-2016-5287 (fixed) + // [-] https://bugzilla.mozilla.org/1434934 +pref("dom.workers.enabled", false); +// 5000's: open "page/selection source" in a new window + // [-] https://bugzilla.mozilla.org/1418403 + // pref("view_source.tab", false); +// ***/ + +// ESR60.x still uses all the following prefs +// [NOTE] replace the * with a slash in the line above to re-enable them +// FF61 +// 0501: disable experiments + // [1] https://wiki.mozilla.org/Telemetry/Experiments + // [-] https://bugzilla.mozilla.org/buglist.cgi?bug_id=1420908,1450801 +pref("experiments.enabled", false); +pref("experiments.manifest.uri", ""); +pref("experiments.supported", false); +pref("experiments.activeExperiment", false); +// 2612: disable remote JAR files being opened, regardless of content type [FF42+] + // [1] https://bugzilla.mozilla.org/1173171 + // [2] https://www.fxsitecompat.com/en-CA/docs/2015/jar-protocol-support-has-been-disabled-by-default/ + // [-] https://bugzilla.mozilla.org/1427726 +pref("network.jar.block-remote-files", true); +// 2613: disable JAR from opening Unsafe File Types + // [-] https://bugzilla.mozilla.org/1427726 +pref("network.jar.open-unsafe-types", false); +// * * * / +// FF62 +// 1803: disable Java plugin + // [-] (part5) https://bugzilla.mozilla.org/1461243 +pref("plugin.state.java", 0); +// * * * / +// FF63 +// 0202: disable GeoIP-based search results + // [NOTE] May not be hidden if Firefox has changed your settings due to your locale + // [-] https://bugzilla.mozilla.org/1462015 +pref("browser.search.countryCode", "US"); // [HIDDEN PREF] +// 0301a: disable auto-update checks for Firefox + // [SETTING] General>Firefox Updates>Never check for updates + // [-] https://bugzilla.mozilla.org/1420514 + // pref("app.update.enabled", false); +// 0402: enable Kinto blocklist updates [FF50+] + // What is Kinto?: https://wiki.mozilla.org/Firefox/Kinto#Specifications + // As Firefox transitions to Kinto, the blocklists have been broken down into entries for certs to be + // revoked, extensions and plugins to be disabled, and gfx environments that cause problems or crashes + // [-] https://bugzilla.mozilla.org/1458917 +pref("services.blocklist.update_enabled", true); // [DEFAULT: true] +// 0503: disable "Savant" Shield study [FF61+] + // [-] https://bugzilla.mozilla.org/1457226 +pref("shield.savant.enabled", false); +// 1031: disable favicons in tabs and new bookmarks - merged into browser.chrome.site_icons + // [-] https://bugzilla.mozilla.org/1453751 + // pref("browser.chrome.favicons", false); +// 2030: disable autoplay of HTML5 media - replaced by media.autoplay.default + // [SETUP-WEB] This may break video playback on various sites + // [-] https://bugzilla.mozilla.org/1470082 +pref("media.autoplay.enabled", false); +// 2704: set cookie lifetime in days (see 2703) + // [-] https://bugzilla.mozilla.org/1457170 + // pref("network.cookie.lifetime.days", 90); // [DEFAULT: 90] +// 5000's: enable "Ctrl+Tab cycles through tabs in recently used order" - replaced by browser.ctrlTab.recentlyUsedOrder + // [-] https://bugzilla.mozilla.org/1473595 + // pref("browser.ctrlTab.previews", true); +// * * * / +// FF64 +// 0516: disable Onboarding [FF55+] + // Onboarding is an interactive tour/setup for new installs/profiles and features. Every time + // about:home or about:newtab is opened, the onboarding overlay is injected into that page + // [NOTE] Onboarding uses Google Analytics [2], and leaks resource://URIs [3] + // [1] https://wiki.mozilla.org/Firefox/Onboarding + // [2] https://github.com/mozilla/onboard/commit/db4d6c8726c89a5d6a241c1b1065827b525c5baf + // [3] https://bugzilla.mozilla.org/863246#c154 + // [-] https://bugzilla.mozilla.org/1462415 +pref("browser.onboarding.enabled", false); +// 2608: disable WebIDE ADB extension downloads - both renamed + // [1] https://trac.torproject.org/projects/tor/ticket/16222 + // [-] https://bugzilla.mozilla.org/1491315 +pref("devtools.webide.autoinstallADBHelper", false); +pref("devtools.webide.adbAddonURL", ""); +// 2681: disable CSP violation events [FF59+] + // [1] https://developer.mozilla.org/docs/Web/API/SecurityPolicyViolationEvent + // [-] https://bugzilla.mozilla.org/1488165 +pref("security.csp.enable_violation_events", false); +// * * * / +// FF65 +// 0850a: disable location bar autocomplete and suggestion types + // If you enforce any of the suggestion types (see the other 0850a), you MUST enforce 'autocomplete' + // - If *ALL* of the suggestion types are false, 'autocomplete' must also be false + // - If *ANY* of the suggestion types are true, 'autocomplete' must also be true + // [-] https://bugzilla.mozilla.org/1502392 +pref("browser.urlbar.autocomplete.enabled", false); +// 0908: remove user & password info when attempting to fix an entered URL (i.e. 0802 is true) + // e.g. //user:password@foo -> //user@(prefix)foo(suffix) NOT //user:password@(prefix)foo(suffix) + // [-] https://bugzilla.mozilla.org/1510580 +pref("browser.fixup.hide_user_pass", true); // [DEFAULT: true] +// * * * / +// FF66 +// 0380: disable Browser Error Reporter [FF60+] + // [1] https://support.mozilla.org/en-US/kb/firefox-nightly-error-collection + // [2] https://firefox-source-docs.mozilla.org/browser/browser/BrowserErrorReporter.html + // [-] https://bugzilla.mozilla.org/1509888 +pref("browser.chrome.errorReporter.enabled", false); +pref("browser.chrome.errorReporter.submitUrl", ""); +// 0502: disable Mozilla permission to silently opt you into tests + // [-] https://bugzilla.mozilla.org/1415625 +pref("network.allow-experiments", false); +// * * * / +// ***/ + +/* END: internal custom pref to test for syntax errors ***/ +pref("_user.js.parrot", "SUCCESS: No no he's not dead, he's, he's restin'!"); diff --git a/userjs-pyllyukko.js b/userjs-pyllyukko.js new file mode 100644 index 0000000..2372391 --- /dev/null +++ b/userjs-pyllyukko.js @@ -0,0 +1,212 @@ +// +/****************************************************************************** + * user.js * + * https://github.com/pyllyukko/user.js * + ******************************************************************************/ + +// PREF: Disable raw TCP socket support (mozTCPSocket) +// https://trac.torproject.org/projects/tor/ticket/18863 +// https://www.mozilla.org/en-US/security/advisories/mfsa2015-97/ +// https://developer.mozilla.org/docs/Mozilla/B2G_OS/API/TCPSocket +pref("dom.mozTCPSocket.enabled", false); + +// PREF: Disable WebRTC getUserMedia, screen sharing, audio capture, video capture +// https://wiki.mozilla.org/Media/getUserMedia +// https://blog.mozilla.org/futurereleases/2013/01/12/capture-local-camera-and-microphone-streams-with-getusermedia-now-enabled-in-firefox/ +// https://developer.mozilla.org/en-US/docs/Web/API/Navigator +pref("media.navigator.video.enabled", false); + +// PREF: Disable speech recognition +// https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html +// https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition +// https://wiki.mozilla.org/HTML5_Speech_API +pref("media.webspeech.recognition.enable", false); + +// PREF: Set File URI Origin Policy +// http://kb.mozillazine.org/Security.fileuri.strict_origin_policy +// CIS Mozilla Firefox 24 ESR v1.0.0 - 3.8 +pref("security.fileuri.strict_origin_policy", true); + +// PREF: Enable only whitelisted URL protocol handlers +// http://kb.mozillazine.org/Network.protocol-handler.external-default +// http://kb.mozillazine.org/Network.protocol-handler.warn-external-default +// http://kb.mozillazine.org/Network.protocol-handler.expose.%28protocol%29 +// https://news.ycombinator.com/item?id=13047883 +// https://bugzilla.mozilla.org/show_bug.cgi?id=167475 +// https://github.com/pyllyukko/user.js/pull/285#issuecomment-298124005 +// NOTICE: Disabling nonessential protocols breaks all interaction with custom protocols such as mailto:, irc:, magnet: ... and breaks opening third-party mail/messaging/torrent/... clients when clicking on links with these protocols +// TODO: Add externally-handled protocols from Windows 8.1 and Windows 10 (currently contains protocols only from Linux and Windows 7) that might pose a similar threat (see e.g. https://news.ycombinator.com/item?id=13044991) +// TODO: Add externally-handled protocols from Mac OS X that might pose a similar threat (see e.g. https://news.ycombinator.com/item?id=13044991) +// If you want to enable a protocol, set network.protocol-handler.expose.(protocol) to true and network.protocol-handler.external.(protocol) to: +// * true, if the protocol should be handled by an external application +// * false, if the protocol should be handled internally by Firefox +pref("network.protocol-handler.warn-external-default", true); +pref("network.protocol-handler.external.http", false); +pref("network.protocol-handler.external.https", false); +pref("network.protocol-handler.external.javascript", false); +pref("network.protocol-handler.external.moz-extension", false); +pref("network.protocol-handler.external.ftp", false); +pref("network.protocol-handler.external.file", false); +pref("network.protocol-handler.external.about", false); +pref("network.protocol-handler.external.chrome", false); +pref("network.protocol-handler.external.blob", false); +pref("network.protocol-handler.external.data", false); +pref("network.protocol-handler.expose-all", false); +pref("network.protocol-handler.expose.http", true); +pref("network.protocol-handler.expose.https", true); +pref("network.protocol-handler.expose.javascript", true); +pref("network.protocol-handler.expose.moz-extension", true); +pref("network.protocol-handler.expose.ftp", true); +pref("network.protocol-handler.expose.file", true); +pref("network.protocol-handler.expose.about", true); +pref("network.protocol-handler.expose.chrome", true); +pref("network.protocol-handler.expose.blob", true); +pref("network.protocol-handler.expose.data", true); + +// PREF: Disable Shumway (Mozilla Flash renderer) +// https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Shumway +pref("shumway.disabled", true); + +// PREF: Disable Gnome Shell Integration NPAPI plugin +pref("plugin.state.libgnome-shell-browser-plugin", 0); + +// PREF: Disable remote debugging +// https://developer.mozilla.org/en-US/docs/Tools/Remote_Debugging/Debugging_Firefox_Desktop +// https://developer.mozilla.org/en-US/docs/Tools/Tools_Toolbox#Advanced_settings +pref("devtools.debugger.force-local", true); + +// PREF: Reject .onion hostnames before passing the to DNS +// https://bugzilla.mozilla.org/show_bug.cgi?id=1228457 +// RFC 7686 +pref("network.dns.blockDotOnion", true); + +// PREF: Disallow NTLMv1 +// https://bugzilla.mozilla.org/show_bug.cgi?id=828183 +pref("network.negotiate-auth.allow-insecure-ntlm-v1", false); +// it is still allowed through HTTPS. uncomment the following to disable it completely. +//pref("network.negotiate-auth.allow-insecure-ntlm-v1-https", false); + +// PREF: Enable Subresource Integrity +// https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity +// https://wiki.mozilla.org/Security/Subresource_Integrity +pref("security.sri.enable", true); + +// PREF: Disable the "new tab page" feature and show a blank tab instead +// https://wiki.mozilla.org/Privacy/Reviews/New_Tab +// https://support.mozilla.org/en-US/kb/new-tab-page-show-hide-and-customize-top-sites#w_how-do-i-turn-the-new-tab-page-off +pref("browser.newtab.url", "about:blank"); + +// PREF: Display a notification bar when websites offer data for offline use +// http://kb.mozillazine.org/Browser.offline-apps.notify +pref("browser.offline-apps.notify", true); + +// PREF: Enable HSTS preload list (pre-set HSTS sites list provided by Mozilla) +// https://blog.mozilla.org/security/2012/11/01/preloading-hsts/ +// https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List +// https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security +pref("network.stricttransportsecurity.preloadlist", true); + +// PREF: Enable OCSP Must-Staple support (Firefox >= 45) +// https://blog.mozilla.org/security/2015/11/23/improving-revocation-ocsp-must-staple-and-short-lived-certificates/ +// https://www.entrust.com/ocsp-must-staple/ +// https://github.com/schomery/privacy-settings/issues/40 +// NOTICE: Firefox falls back on plain OCSP when must-staple is not configured on the host certificate +pref("security.ssl.enable_ocsp_must_staple", true); + +// PREF: Disable insecure TLS version fallback +// https://bugzilla.mozilla.org/show_bug.cgi?id=1084025 +// https://github.com/pyllyukko/user.js/pull/206#issuecomment-280229645 +pref("security.tls.version.fallback-limit", 3); + +// PREF: Disable null ciphers +pref("security.ssl3.rsa_null_sha", false); +pref("security.ssl3.rsa_null_md5", false); +pref("security.ssl3.ecdhe_rsa_null_sha", false); +pref("security.ssl3.ecdhe_ecdsa_null_sha", false); +pref("security.ssl3.ecdh_rsa_null_sha", false); +pref("security.ssl3.ecdh_ecdsa_null_sha", false); + +// PREF: Disable SEED cipher +// https://en.wikipedia.org/wiki/SEED +pref("security.ssl3.rsa_seed_sha", false); + +// PREF: Disable 40/56/128-bit ciphers +// 40-bit ciphers +pref("security.ssl3.rsa_rc4_40_md5", false); +pref("security.ssl3.rsa_rc2_40_md5", false); +// 56-bit ciphers +pref("security.ssl3.rsa_1024_rc4_56_sha", false); +// 128-bit ciphers +pref("security.ssl3.rsa_camellia_128_sha", false); +pref("security.ssl3.ecdhe_rsa_aes_128_sha", false); +pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); +pref("security.ssl3.ecdh_rsa_aes_128_sha", false); +pref("security.ssl3.ecdh_ecdsa_aes_128_sha", false); +pref("security.ssl3.dhe_rsa_camellia_128_sha", false); +pref("security.ssl3.dhe_rsa_aes_128_sha", false); + +// PREF: Disable RC4 +// https://developer.mozilla.org/en-US/Firefox/Releases/38#Security +// https://bugzilla.mozilla.org/show_bug.cgi?id=1138882 +// https://rc4.io/ +// https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2566 +pref("security.ssl3.ecdh_ecdsa_rc4_128_sha", false); +pref("security.ssl3.ecdh_rsa_rc4_128_sha", false); +pref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false); +pref("security.ssl3.ecdhe_rsa_rc4_128_sha", false); +pref("security.ssl3.rsa_rc4_128_md5", false); +pref("security.ssl3.rsa_rc4_128_sha", false); +pref("security.tls.unrestricted_rc4_fallback", false); + +// PREF: Disable 3DES (effective key size is < 128) +// https://en.wikipedia.org/wiki/3des#Security +// http://en.citizendium.org/wiki/Meet-in-the-middle_attack +// http://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html +pref("security.ssl3.dhe_dss_des_ede3_sha", false); +pref("security.ssl3.dhe_rsa_des_ede3_sha", false); +pref("security.ssl3.ecdh_ecdsa_des_ede3_sha", false); +pref("security.ssl3.ecdh_rsa_des_ede3_sha", false); +pref("security.ssl3.ecdhe_ecdsa_des_ede3_sha", false); +pref("security.ssl3.ecdhe_rsa_des_ede3_sha", false); +pref("security.ssl3.rsa_des_ede3_sha", false); +pref("security.ssl3.rsa_fips_des_ede3_sha", false); + +// PREF: Disable ciphers with ECDH (non-ephemeral) +pref("security.ssl3.ecdh_rsa_aes_256_sha", false); +pref("security.ssl3.ecdh_ecdsa_aes_256_sha", false); + +// PREF: Disable 256 bits ciphers without PFS +pref("security.ssl3.rsa_camellia_256_sha", false); + +// PREF: Enable ciphers with ECDHE and key size > 128bits +pref("security.ssl3.ecdhe_rsa_aes_256_sha", true); // 0xc014 +pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", true); // 0xc00a + +// PREF: Enable GCM ciphers (TLSv1.2 only) +// https://en.wikipedia.org/wiki/Galois/Counter_Mode +pref("security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256", true); // 0xc02b +pref("security.ssl3.ecdhe_rsa_aes_128_gcm_sha256", true); // 0xc02f + +// PREF: Enable ChaCha20 and Poly1305 (Firefox >= 47) +// https://www.mozilla.org/en-US/firefox/47.0/releasenotes/ +// https://tools.ietf.org/html/rfc7905 +// https://bugzilla.mozilla.org/show_bug.cgi?id=917571 +// https://bugzilla.mozilla.org/show_bug.cgi?id=1247860 +// https://cr.yp.to/chacha.html +pref("security.ssl3.ecdhe_ecdsa_chacha20_poly1305_sha256", true); +pref("security.ssl3.ecdhe_rsa_chacha20_poly1305_sha256", true); + +// PREF: Disable ciphers susceptible to the logjam attack +// https://weakdh.org/ +pref("security.ssl3.dhe_rsa_camellia_256_sha", false); +pref("security.ssl3.dhe_rsa_aes_256_sha", false); + +// PREF: Disable ciphers with DSA (max 1024 bits) +pref("security.ssl3.dhe_dss_aes_128_sha", false); +pref("security.ssl3.dhe_dss_aes_256_sha", false); +pref("security.ssl3.dhe_dss_camellia_128_sha", false); +pref("security.ssl3.dhe_dss_camellia_256_sha", false); + +// PREF: Fallbacks due compatibility reasons +pref("security.ssl3.rsa_aes_256_sha", true); // 0x35 +pref("security.ssl3.rsa_aes_128_sha", true); // 0x2f