diff --git a/user.js b/user.js index f6f0a68..8ebe85c 100644 --- a/user.js +++ b/user.js @@ -33,13 +33,13 @@ /* START: internal custom pref to test for syntax errors (thanks earthling) * Yes, this next pref setting is redundant, but we like it! - * https://en.wikipedia.org/wiki/Dead_parrot - * https://en.wikipedia.org/wiki/Warrant_canary ***/ + * [1] https://en.wikipedia.org/wiki/Dead_parrot + * [2] https://en.wikipedia.org/wiki/Warrant_canary ***/ user_pref("ghacks_user.js.parrot", "Oh yes, the Norwegian Blue... what's wrong with it?"); /* 0001: Start Firefox in PB (Private Browsing) mode * [SETTING] Options>Privacy>History>Custom Settings>Always use private browsing mode - * https://wiki.mozilla.org/Private_Browsing ***/ + * [1] https://wiki.mozilla.org/Private_Browsing ***/ // user_pref("browser.privatebrowsing.autostart", true); /*** 0100: STARTUP ***/ @@ -72,7 +72,7 @@ user_pref("geo.wifi.xhr.timeout", 1); user_pref("browser.search.geoip.timeout", 1); /* 0202: disable GeoIP-based search results * [NOTE] may not be hidden if Firefox has changed your settings due to your locale - * https://trac.torproject.org/projects/tor/ticket/16254 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/16254 ***/ user_pref("browser.search.countryCode", "US"); // (hidden pref) user_pref("browser.search.region", "US"); // (hidden pref) /* 0203: disable using OS locale, force APP locale ***/ @@ -86,7 +86,7 @@ user_pref("browser.search.geoSpecificDefaults.url", ""); /* 0207: set language to match ***/ user_pref("intl.accept_languages", "en-US, en"); /* 0208: enforce US English locale regardless of the system locale - * https://bugzilla.mozilla.org/show_bug.cgi?id=867501 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=867501 ***/ user_pref("javascript.use_us_english_locale", true); // (hidden pref) /*** 0300: QUIET FOX [PART 1] @@ -127,11 +127,11 @@ user_pref("dom.ipc.plugins.reportCrashURL", false); * featured extensions for displaying in Get Add-ons panel ***/ user_pref("extensions.webservice.discoverURL", "http://127.0.0.1"); /* 0330a: disable telemetry - * https://gecko.readthedocs.org/en/latest/toolkit/components/telemetry/telemetry/preferences.html * 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 ***/ + * so make sure to have both set as false + * [1] https://gecko.readthedocs.org/en/latest/toolkit/components/telemetry/telemetry/preferences.html ***/ user_pref("toolkit.telemetry.unified", false); user_pref("toolkit.telemetry.enabled", false); /* 0330b: set unifiedIsOptIn to make sure telemetry respects OptIn choice and that telemetry @@ -151,16 +151,16 @@ user_pref("datareporting.healthreport.service.enabled", false); // (hidden pref) user_pref("datareporting.healthreport.about.reportUrl", "data:text/plain,"); /* 0334: disable new data submission, master kill switch (FF41+) * If disabled, no policy is shown or upload takes place, ever - * https://bugzilla.mozilla.org/show_bug.cgi?id=1195552 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1195552 ***/ user_pref("datareporting.policy.dataSubmissionEnabled", false); /* 0335: remove telemetry clientID ***/ user_pref("toolkit.telemetry.cachedClientID", ""); /* 0336: disable "Heartbeat" (Mozilla user rating telemetry) - * https://trac.torproject.org/projects/tor/ticket/18738 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/18738 ***/ user_pref("browser.selfsupport.enabled", false); // (hidden pref) user_pref("browser.selfsupport.url", ""); /* 0340: disable experiments - * https://wiki.mozilla.org/Telemetry/Experiments ***/ + * [1] https://wiki.mozilla.org/Telemetry/Experiments ***/ user_pref("experiments.enabled", false); user_pref("experiments.manifest.uri", ""); user_pref("experiments.supported", false); @@ -179,18 +179,18 @@ user_pref("browser.newtabpage.enabled", false); user_pref("browser.newtabpage.enhanced", false); user_pref("browser.newtabpage.introShown", true); /* 0370: disable "Snippets" (Mozilla content shown on about:home screen) - * https://wiki.mozilla.org/Firefox/Projects/Firefox_Start/Snippet_Service - * MUST use HTTPS - arbitrary content injected into this page via http opens up MiTM attacks ***/ + * MUST use HTTPS - arbitrary content injected into this page via http opens up MiTM attacks + * [1] https://wiki.mozilla.org/Firefox/Projects/Firefox_Start/Snippet_Service ***/ user_pref("browser.aboutHomeSnippets.updateUrl", "https://127.0.0.1"); /* 0373: disable "Pocket" (third party "save for later" service) & remove urls for good measure * [NOTE] Important: Remove the pocket icon from your toolbar first - * https://www.gnu.gl/blog/Posts/multiple-vulnerabilities-in-pocket/ ***/ + * [1] https://www.gnu.gl/blog/Posts/multiple-vulnerabilities-in-pocket/ ***/ user_pref("extensions.pocket.enabled", false); user_pref("extensions.pocket.api", ""); user_pref("extensions.pocket.site", ""); user_pref("extensions.pocket.oAuthConsumerKey", ""); /* 0374: disable "social" integration - * https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Social_API ***/ + * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Social_API ***/ user_pref("social.whitelist", ""); user_pref("social.toast-notifications.enabled", false); user_pref("social.shareDirectory", ""); @@ -201,8 +201,8 @@ user_pref("social.enabled", false); // (hidden pref) /* 0375: disable "Reader View" [SETUP] ***/ user_pref("reader.parse-on-load.enabled", false); /* 0376: disable FlyWeb, a set of APIs for advertising and discovering local-area web servers - * https://wiki.mozilla.org/FlyWeb - * http://www.ghacks.net/2016/07/26/firefox-flyweb/ ***/ + * [1] https://wiki.mozilla.org/FlyWeb + * [2] http://www.ghacks.net/2016/07/26/firefox-flyweb/ ***/ user_pref("dom.flyweb.enabled", false); /* 0380: disable sync [SETUP] ***/ user_pref("services.sync.enabled", false); // (hidden pref) @@ -226,8 +226,8 @@ user_pref("services.sync.enabled", false); // (hidden pref) user_pref("ghacks_user.js.parrot", "0400 syntax error: the parrot's passed on!"); /* 0401: DON'T disable extension blocklist, but sanitize blocklist url * It now includes updates for "revoked certificates" - * https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl - * https://trac.torproject.org/projects/tor/ticket/16931 ***/ + * [1] https://blog.mozilla.org/security/2015/03/03/revoking-intermediate-certificates-introducing-onecrl + * [2] https://trac.torproject.org/projects/tor/ticket/16931 ***/ user_pref("extensions.blocklist.enabled", true); user_pref("extensions.blocklist.url", "https://blocklist.addons.mozilla.org/blocklist/3/%APP_ID%/%APP_VERSION%/"); /* 0402: disable/enable various Kinto blocklist updates (FF50+) @@ -249,8 +249,8 @@ user_pref("services.blocklist.gfx.collection", ""); // if gfx hw acceleration is * also takes measures such as striping out identifying parameters and storing safe browsing * cookies in a separate jar. (#Turn on browser.safebrowsing.debug to monitor this activity) * To use safebrowsing but not "leak" binary download info to Google, only use 0410e and 0410f - * #Required reading: https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/ - * https://wiki.mozilla.org/Security/Safe_Browsing ***/ + * #Required reading [1] https://feeding.cloud.geek.nz/posts/how-safe-browsing-works-in-firefox/ + * [1] https://wiki.mozilla.org/Security/Safe_Browsing ***/ /* 0410a: disable "Block dangerous and deceptive content" (under Options>Security) * Until FF48 this was titled "Block reported web forgeries" * It covers deceptive sites such as phishing and social engineering ***/ @@ -285,60 +285,60 @@ user_pref("browser.safebrowsing.reportPhishURL", ""); user_pref("browser.safebrowsing.provider.google4.reportURL", ""); // (FF50+) /* 0410g: show=true or hide=false the 'ignore this warning' on Safe Browsing warnings which * when clicked bypasses the block for that session. This is a means for admins to enforce SB - * https://bugzilla.mozilla.org/show_bug.cgi?id=1226490 - * [TEST] see github wiki APPENDIX C: Test Sites: Section 5 ***/ + * [TEST] see github wiki APPENDIX C: Test Sites: Section 5 + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1226490 ***/ // user_pref("browser.safebrowsing.allowOverride", true); /* 0420: disable Tracking Protection (TP) * There SHOULD be NO privacy concerns here, but we strongly recommend to use uBlock Origin instead, * which offers more comprehensive as well as specialized lists. It also allows per domain control. * [NOTE] There are two prefs (see 0410d) shared with Safe Browsing - * https://wiki.mozilla.org/Security/Tracking_protection - * https://support.mozilla.org/en-US/kb/tracking-protection-firefox ***/ + * [1] https://wiki.mozilla.org/Security/Tracking_protection + * [2] https://support.mozilla.org/en-US/kb/tracking-protection-firefox ***/ user_pref("privacy.trackingprotection.enabled", false); // all windows pref (not just private) user_pref("privacy.trackingprotection.pbmode.enabled", false); // private browsing pref /* 0421: enable more Tracking Protection choices under Options>Privacy>Use Tracking Protection ***/ user_pref("privacy.trackingprotection.ui.enabled", true); /* 0430: disable SSL Error Reporting - * https://gecko.readthedocs.org/en/latest/browser/base/sslerrorreport/preferences.html ***/ + * [1] https://gecko.readthedocs.org/en/latest/browser/base/sslerrorreport/preferences.html ***/ user_pref("security.ssl.errorReporting.automatic", false); user_pref("security.ssl.errorReporting.enabled", false); user_pref("security.ssl.errorReporting.url", ""); /* 0440: disable Mozilla's blocklist for known Flash tracking/fingerprinting (FF48+) * If you don't have Flash, then you don't need this enabled * [NOTE] if enabled, you will need to check what prefs (safebrowsing URLs etc) this uses to update - * http://www.ghacks.net/2016/07/18/firefox-48-blocklist-against-plugin-fingerprinting/ - * https://bugzilla.mozilla.org/show_bug.cgi?id=1237198 ***/ + * [1] http://www.ghacks.net/2016/07/18/firefox-48-blocklist-against-plugin-fingerprinting/ + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1237198 ***/ user_pref("browser.safebrowsing.blockedURIs.enabled", false); /*** 0600: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - eg clicked on] ***/ user_pref("ghacks_user.js.parrot", "0600 syntax error: the parrot's no more!"); /* 0601: disable link prefetching - * https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ ***/ user_pref("network.prefetch-next", false); /* 0602: disable DNS prefetching - * http://www.ghacks.net/2013/04/27/firefox-prefetching-what-you-need-to-know/ - * https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching ***/ + * [1] http://www.ghacks.net/2013/04/27/firefox-prefetching-what-you-need-to-know/ + * [2] https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching ***/ user_pref("network.dns.disablePrefetch", true); user_pref("network.dns.disablePrefetchFromHTTPS", true); // (hidden pref) /* 0603a: disable Seer/Necko - * https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Necko ***/ + * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Necko ***/ user_pref("network.predictor.enabled", false); /* 0603b: disable more Necko/Captive Portal - * https://en.wikipedia.org/wiki/Captive_portal - * https://wiki.mozilla.org/Necko/CaptivePortal ***/ + * [1] https://en.wikipedia.org/wiki/Captive_portal + * [2] https://wiki.mozilla.org/Necko/CaptivePortal ***/ user_pref("captivedetect.canonicalURL", ""); user_pref("network.captive-portal-service.enabled", false); // (FF52+) /* 0605: disable link-mouseover opening connection to linked server - * http://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests - * http://www.ghacks.net/2015/08/16/block-firefox-from-connecting-to-sites-when-you-hover-over-links ***/ + * [1] http://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests + * [2] http://www.ghacks.net/2015/08/16/block-firefox-from-connecting-to-sites-when-you-hover-over-links ***/ user_pref("network.http.speculative-parallel-limit", 0); /* 0606: disable pings (but enforce same host in case) - * http://kb.mozillazine.org/Browser.send_pings - * http://kb.mozillazine.org/Browser.send_pings.require_same_host ***/ + * [1] http://kb.mozillazine.org/Browser.send_pings + * [2] http://kb.mozillazine.org/Browser.send_pings.require_same_host ***/ user_pref("browser.send_pings", false); user_pref("browser.send_pings.require_same_host", true); /* 0607: stop links launching Windows Store on Windows 8/8.1/10 - * http://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/ + * [1] http://www.ghacks.net/2016/03/25/block-firefox-chrome-windows-store/ ***/ user_pref("network.protocol-handler.external.ms-windows-store", false); /* 0608: disable predictor / prefetching (FF48+) ***/ user_pref("network.predictor.enable-prefetch", false); @@ -349,7 +349,7 @@ user_pref("network.predictor.enable-prefetch", false); hardened), then items 0850 and above can be relaxed in return for more convenience and functionality. 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/ + #Required reading [1] https://xkcd.com/538/ ***/ user_pref("ghacks_user.js.parrot", "0800 syntax error: the parrot's ceased to be!"); /* 0801: disable location bar using search - PRIVACY @@ -372,11 +372,11 @@ user_pref("browser.urlbar.trimURLs", false); user_pref("browser.sessionhistory.max_entries", 10); /* 0805: disable CSS querying page history - CSS history leak - PRIVACY * [NOTE] this has NEVER been fully "resolved": in Mozilla/docs it is stated it's - * only in 'certain circumstances', also see latest comments in the bug link + * only in 'certain circumstances', also see latest comments in [3] * [TEST] http://lcamtuf.coredump.cx/yahh/ (see github wiki APPENDIX C on how to use) - * https://dbaron.org/mozilla/visited-privacy - * https://bugzilla.mozilla.org/show_bug.cgi?id=147777 - * https://developer.mozilla.org/en-US/docs/Web/CSS/Privacy_and_the_:visited_selector ***/ + * [1] https://dbaron.org/mozilla/visited-privacy + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=147777 + * [3] https://developer.mozilla.org/en-US/docs/Web/CSS/Privacy_and_the_:visited_selector ***/ user_pref("layout.css.visited_links_enabled", false); /* 0806: disable displaying javascript in history URLs - SECURITY ***/ user_pref("browser.urlbar.filter.javascript", true); @@ -401,11 +401,11 @@ user_pref("browser.urlbar.suggest.history", false); user_pref("browser.urlbar.suggest.bookmark", false); user_pref("browser.urlbar.suggest.openpage", false); /* 0850d: disable location bar autofill - * http://kb.mozillazine.org/Inline_autocomplete ***/ + * [1] http://kb.mozillazine.org/Inline_autocomplete ***/ user_pref("browser.urlbar.autoFill", false); user_pref("browser.urlbar.autoFill.typed", false); /* 0850e: disable location bar one-off searches (FF51+) - * http://www.ghacks.net/2016/08/09/firefox-one-off-searches-address-bar/ ***/ + * [1] http://www.ghacks.net/2016/08/09/firefox-one-off-searches-address-bar/ ***/ user_pref("browser.urlbar.oneOffSearches", false); /* 0860: disable search and form history * [SETTING] Options>Privacy>History>Custom Settings>Remember search and form history @@ -436,7 +436,7 @@ user_pref("ghacks_user.js.parrot", "0900 syntax error: the parrot's expired!"); // user_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. - * https://support.mozilla.org/en-US/kb/use-master-password-protect-stored-logins ***/ + * [1] https://support.mozilla.org/en-US/kb/use-master-password-protect-stored-logins ***/ /* 0903: set how often Mozilla should ask for the master password * 0=the first time (default), 1=every time it's needed, 2=every n minutes (as per the next pref) ***/ user_pref("security.ask_for_password", 2); @@ -445,8 +445,8 @@ user_pref("security.ask_for_password", 2); user_pref("security.password_lifetime", 5); /* 0905: disable auto-filling username & password form fields - SECURITY * can leak in cross-site forms AND be spoofed - * http://kb.mozillazine.org/Signon.autofillForms - * password will still be auto-filled after a user name is manually entered ***/ + * [NOTE] password will still be auto-filled after a user name is manually entered + * [1] http://kb.mozillazine.org/Signon.autofillForms ***/ user_pref("signon.autofillForms", false); /* 0906: ignore websites' autocomplete="off" (FF30+) * Don't let sites dictate use of saved logins and passwords. Increase security through @@ -454,7 +454,7 @@ user_pref("signon.autofillForms", false); * saved (such as banking sites). Set at true, informed users can make their own choice. ***/ user_pref("signon.storeWhenAutocompleteOff", true); /* 0907: force warnings for logins on non-secure (non HTTPS) pages - * https://bugzilla.mozilla.org/show_bug.cgi?id=1217156 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1217156 ***/ user_pref("security.insecure_password.ui.enabled", true); /* 0908: When attempting to fix an entered URL, do not fix an entered password along with it * i.e do not turn ~http://user:password@foo into ~http://user:password@(prefix)foo(suffix) @@ -463,7 +463,7 @@ user_pref("browser.fixup.hide_user_pass", true); /* 0909: disable formless login capture for Password Manager (FF51+) ***/ user_pref("signon.formlessCapture.enabled", false); /* 0910: enforce disable autofilling saved password on HTTP pages and show warning (FF52+) - * https://www.fxsitecompat.com/en-CA/docs/2017/insecure-login-forms-now-disable-autofill-show-warning-beneath-input-control/ ***/ + * [1] https://www.fxsitecompat.com/en-CA/docs/2017/insecure-login-forms-now-disable-autofill-show-warning-beneath-input-control/ ***/ user_pref("signon.autofillForms.http", false); user_pref("security.insecure_field_warning.contextual.enabled", true); @@ -475,7 +475,7 @@ user_pref("browser.cache.disk.capacity", 0); user_pref("browser.cache.disk.smart_size.enabled", false); user_pref("browser.cache.disk.smart_size.first_run", false); /* 1002: disable disk caching of SSL pages - * http://kb.mozillazine.org/Browser.cache.disk_cache_ssl ***/ + * [1] http://kb.mozillazine.org/Browser.cache.disk_cache_ssl ***/ user_pref("browser.cache.disk_cache_ssl", false); /* 1003: disable memory cache as well IF you're REALLY paranoid ***/ // user_pref("browser.cache.memory.enable", false); @@ -490,7 +490,7 @@ user_pref("browser.sessionstore.privacy_level", 2); * re-parsed. This improves performance when pressing back/forward. * For the sake of completeness, this option is listed for the truly paranoid. * 0=none, -1=auto (that's minus 1), or any other positive integer - * http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers ***/ + * [1] http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers ***/ // user_pref("browser.sessionhistory.max_total_viewers", 0); /* 1007: disable the Session Restore service completely * [WARNING] [SETUP] This also disables the "Recently Closed Tabs" feature @@ -508,10 +508,10 @@ user_pref("browser.sessionstore.max_windows_undo", 0); // user_pref("network.dnsCacheEntries", 400); // user_pref("network.dnsCacheExpiration", 60); /* 1010: disable randomized FF HTTP cache decay experiments - * https://trac.torproject.org/projects/tor/ticket/13575 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/13575 ***/ user_pref("browser.cache.frecency_experiment", -1); /* 1011: disable permissions manager from writing to disk (requires restart) - * https://bugzilla.mozilla.org/show_bug.cgi?id=967812 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=967812 ***/ // user_pref("permissions.memory_only", true); // (hidden pref) /* 1012: disable resuming session from crash [SETUP] ***/ user_pref("browser.sessionstore.resume_from_crash", false); @@ -525,14 +525,14 @@ user_pref("ghacks_user.js.parrot", "1200 syntax error: the parrot's a stiff!"); /* 1201: block rc4 fallback (default is now false as of at least FF45) ***/ user_pref("security.tls.unrestricted_rc4_fallback", false); /* 1203: enable OCSP stapling - * https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/ + * [1] https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ ***/ user_pref("security.ssl.enable_ocsp_stapling", true); /* 1204: reject communication with servers using old SSL/TLS - vulnerable to a MiTM attack - * https://wiki.mozilla.org/Security:Renegotiation - * [WARNING] tested Feb 2017 - still breaks too many sites ***/ + * [WARNING] tested Feb 2017 - still breaks too many sites + * [1] https://wiki.mozilla.org/Security:Renegotiation ***/ // user_pref("security.ssl.require_safe_negotiation", true); /* 1205: display warning (red padlock) for "broken security" - * https://wiki.mozilla.org/Security:Renegotiation ***/ + * [1] https://wiki.mozilla.org/Security:Renegotiation ***/ user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true); /* 1206: require certificate revocation check through OCSP protocol * This leaks information about the sites you visit to the CA (cert authority) @@ -545,23 +545,23 @@ user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true); * 2=enable and use values in security.OCSP.URL and security.OCSP.signing ***/ user_pref("security.OCSP.enabled", 1); /* 1208: enforce strict pinning - * https://trac.torproject.org/projects/tor/ticket/16206 * 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 ***/ + * by inspecting ALL your web traffic, then leave at current default =1 + * [1] https://trac.torproject.org/projects/tor/ticket/16206 ***/ user_pref("security.cert_pinning.enforcement_level", 2); /* 1209: control TLS versions with min and max * 1=min version of TLS 1.0, 2-min version of TLS 1.1, 3=min version of TLS 1.2 etc * [WARNING] FF/chrome currently allow TLS 1.0 by default, so this is your call. - * http://kb.mozillazine.org/Security.tls.version.* - * https://www.ssl.com/how-to/turn-off-ssl-3-0-and-tls-1-0-in-your-browser/ ***/ + * [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/ ***/ // user_pref("security.tls.version.min", 2); // user_pref("security.tls.version.fallback-limit", 3); // user_pref("security.tls.version.max", 4); // 4 = allow up to and including TLS 1.3 /* 1210: disable DHE (Diffie-Hellman Key Exchange) - * https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH - * [WARNING] may break obscure sites, but not major sites, which should support ECDH over DHE ***/ -user_pref("security.ssl3.dhe_rsa_aes_128_sha", false); +* [WARNING] may break obscure sites, but not major sites, which should support ECDH over DHE +* [1] https://www.eff.org/deeplinks/2015/10/how-to-protect-yourself-from-nsa-attacks-1024-bit-DH ***/ + user_pref("security.ssl3.dhe_rsa_aes_128_sha", false); user_pref("security.ssl3.dhe_rsa_aes_256_sha", false); /* 1211: disable or limit SHA-1 * 0 = all SHA1 certs are allowed @@ -571,20 +571,20 @@ user_pref("security.ssl3.dhe_rsa_aes_256_sha", false); * 4 = only allowed for locally-added roots or for certs in 2015 and earlier * [WARNING] when disabled, some man-in-the-middle devices (eg security scanners and antivirus * products, are failing to connect to HTTPS sites. SHA-1 will eventually become obsolete. - * https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/ - * https://github.com/pyllyukko/user.js/issues/194#issuecomment-256509998 ***/ + * [1] https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/ + * [2] https://github.com/pyllyukko/user.js/issues/194#issuecomment-256509998 ***/ user_pref("security.pki.sha1_enforcement_level", 1); /* 1212: disable SSL session tracking (FF36+) * SSL session IDs speed up HTTPS connections (no need to renegotiate) and last for 48hrs. * Since the ID is unique, web servers can (and do) use it for tracking. If set to true, * this disables sending SSL3 Session IDs and TLS Session Tickets to prevent session tracking - * https://tools.ietf.org/html/rfc5077 - * https://bugzilla.mozilla.org/show_bug.cgi?id=967977 ***/ + * [1] https://tools.ietf.org/html/rfc5077 + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=967977 ***/ user_pref("security.ssl.disable_session_identifiers", true); // (hidden pref) /* 1213: disable 3DES (effective key size < 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 ***/ + * [1] https://en.wikipedia.org/wiki/3des#Security + * [2] http://en.citizendium.org/wiki/Meet-in-the-middle_attack + * [3] http://www-archive.mozilla.org/projects/security/pki/nss/ssl/fips-ssl-ciphersuites.html ***/ user_pref("security.ssl3.rsa_des_ede3_sha", false); /* 1214: disable 128 bits ***/ user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false); @@ -602,24 +602,24 @@ user_pref("security.mixed_content.block_active_content", true); /* 1218: disable HSTS Priming (FF51+) * We disable it because formerly blocked mixed-content may load, may cause noticeable delays * eg requests time out, requests may not be handled well by servers, possible fingerprinting - * https://bugzilla.mozilla.org/show_bug.cgi?id=1246540#c145 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1246540#c145 ***/ user_pref("security.mixed_content.send_hsts_priming", false); user_pref("security.mixed_content.use_hsts", false); /* 1219: enforce HSTS preload list (default is true) * The list is compiled into Firefox and is used to always use HTTPS for the domains on that list - * https://blog.mozilla.org/security/2012/11/01/preloading-hsts/ - * https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List ***/ + * [1] https://blog.mozilla.org/security/2012/11/01/preloading-hsts/ + * [2] https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List ***/ user_pref("network.stricttransportsecurity.preloadlist", true); /* 1220: disable intermediate certificate caching (fingerprinting attack vector) * [NOTE] This may be better handled under FPI (ticket 1323644, part of Tor Uplift) * [WARNING] 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. - * https://bugzilla.mozilla.org/show_bug.cgi?id=1334485 - related bug - * https://bugzilla.mozilla.org/show_bug.cgi?id=1216882 - related bug (see comment 9) ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334485 - related bug + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1216882 - related bug (see comment 9) ***/ // user_pref("security.nocertdb", true); // (hidden pref) /* 1221: control "Add Security Exception" dialog on SSL warnings * 0=do neither 1=pre-populate url 2+pre-populate url + pre-fetch cert (default) - * https://github.com/pyllyukko/user.js/issues/210 ***/ + * [1] https://github.com/pyllyukko/user.js/issues/210 ***/ user_pref("browser.ssl_override_behavior", 1); /* 1223: display advanced information on Insecure Connection warning pages (thanks crssi) * only works when it's possible to add an exception, i.e doesn't work for HSTS (https://subdomain.preloaded-hsts.badssl.com/) @@ -641,7 +641,7 @@ user_pref("browser.display.use_document_fonts", 0); /* 1402: allow icon fonts (glyphs) (FF41+) ***/ user_pref("gfx.downloadable_fonts.enabled", true); /* 1403: disable rendering of SVG OpenType fonts - * https://wiki.mozilla.org/SVGOpenTypeFonts - iSECPartnersReport recommends to disable this ***/ + * [1] https://wiki.mozilla.org/SVGOpenTypeFonts - iSECPartnersReport recommends to disable this ***/ user_pref("gfx.font_rendering.opentype_svg.enabled", false); /* 1404: use more legible default fonts * [SETTING] Options>Fonts & Colors>Advanced>Serif|Sans-serif|Monospace @@ -660,7 +660,7 @@ user_pref("gfx.downloadable_fonts.woff2.enabled", false); user_pref("layout.css.font-loading-api.enabled", false); /* 1407: remove special underline handling for a few fonts which you will probably never use. * Any of these fonts on your system can be enumerated for fingerprinting. Requires restart. - * http://kb.mozillazine.org/Font.blacklist.underline_offset ***/ + * [1] http://kb.mozillazine.org/Font.blacklist.underline_offset ***/ user_pref("font.blacklist.underline_offset", ""); /* 1408: disable graphite which FF49 turned back on by default * In the past it had security issues - need citation ***/ @@ -670,26 +670,26 @@ user_pref("gfx.font_rendering.graphite.enabled", false); * [NOTE] Creating your own probably highly-unique whitelist will raise your entropy. If * you block sites choosing fonts in 1401, this preference is irrelevant. In future, * privacy.resistFingerprinting (see 2699) may cover this, and 1401 can be relaxed. - * https://bugzilla.mozilla.org/show_bug.cgi?id=1121643 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1121643 ***/ // user_pref("font.system.whitelist", ""); // (hidden pref) /*** 1600: HEADERS / REFERERS [SETUP] Except for DNT (Do Not Track), referers are best controlled by an extension. It is important to realize that it is *cross domain* referers that need controlling, and this is best handled by EITHER 1603 or 1604, not both. - + Option 1: Recommended: Use an extension to block all referers, and then whitelist sites on a granular, per domain level. Option 2: As per the original settings below: Set XOriginPolicy (1603) to 1 (less breakage) or 2 (more breakage) and leave XOriginTrimmingPolicy (1604) at default 0 Option 3: Set XOriginPolicy (1603) to default 0 and set XOriginTrimmingPolicy (1604) to 2 - + full URI: https://example.com:8888/foo/bar.html?id=1234 scheme+host+path+port: 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/ -***/ + #Required reading [1] https://feeding.cloud.geek.nz/posts/tweaking-referrer-for-privacy-in-firefox/ + ***/ user_pref("ghacks_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) @@ -714,8 +714,8 @@ user_pref("network.http.referer.spoofSource", false); * 0=no-referer 1=same-origin 2=strict-origin-when-cross-origin * 3=no-referrer-when-downgrade (default) * [NOTE] This is only a default, it can be overridden by a site-controlled Referrer Policy - * https://www.w3.org/TR/referrer-policy/ - * https://bugzilla.mozilla.org/show_bug.cgi?id=1304623 ***/ + * [1] https://www.w3.org/TR/referrer-policy/ + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1304623 ***/ // user_pref("network.http.referer.userControlPolicy", 3); /* 1610: ALL: disable the DNT HTTP header (this is essentially USELESS and raises entropy) * [SETTING] Options>Privacy>Tracking>Request that sites not track you @@ -734,12 +734,12 @@ user_pref("plugin.sessionPermissionNow.intervalInMinutes", 0); /* 1803: make sure a plugin is in a certain state: 0=deactivated 1=ask 2=enabled (Flash example) * you can set all these plugin.state's via Add-ons>Plugins or search for plugin.state in about:config * [NOTE] you can still over-ride individual sites eg youtube via site permissions - * http://www.ghacks.net/2013/07/09/how-to-make-sure-that-a-firefox-plugin-never-activates-again/ ***/ + * [1] http://www.ghacks.net/2013/07/09/how-to-make-sure-that-a-firefox-plugin-never-activates-again/ ***/ // user_pref("plugin.state.flash", 0); /* 1804: disable plugins using external/untrusted scripts with XPCOM or XPConnect ***/ user_pref("security.xpconnect.plugin.unrestricted", false); /* 1805: disable scanning for plugins - * http://kb.mozillazine.org/Plugin_scanning + * [1] http://kb.mozillazine.org/Plugin_scanning * plid.all = whether to scan the directories specified in the Windows registry for PLIDs * includes: RealPlayer, Next-Generation Java Plug-In, Adobe Flash, Antivirus etc * [WARNING] [SETUP] This means Firefox will not load ANY plugins. Try it. You are not missing anything. ***/ @@ -750,7 +750,7 @@ user_pref("plugin.scan.Acrobat", "99999"); user_pref("plugin.scan.Quicktime", "99999"); user_pref("plugin.scan.WindowsMediaPlayer", "99999"); /* 1820: disable all GMP (Gecko Media Plugins) [SETUP] - * https://wiki.mozilla.org/GeckoMediaPlugins ***/ + * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/ user_pref("media.gmp-provider.enabled", false); user_pref("media.gmp.trial-create.enabled", false); /* 1825: disable widevine CDM (Content Decryption Module) [SETUP] ***/ @@ -771,7 +771,7 @@ user_pref("media.gmp-manager.url", "data:text/plain,"); /*** 2000: MEDIA / CAMERA / MIKE ***/ user_pref("ghacks_user.js.parrot", "2000 syntax error: the parrot's snuffed it!"); /* 2001: disable WebRTC (Web Real-Time Communication) - * https://www.privacytools.io/#webrtc ***/ + * [1] https://www.privacytools.io/#webrtc ***/ user_pref("media.peerconnection.enabled", false); user_pref("media.peerconnection.use_document_iceservers", false); user_pref("media.peerconnection.video.enabled", false); @@ -781,28 +781,28 @@ user_pref("media.peerconnection.turn.disable", true); user_pref("media.navigator.video.enabled", false); // video capability for WebRTC /* 2002: pref which improves the WebRTC IP Leak issue, as opposed to completely * disabling WebRTC. You still need to enable WebRTC for this to be applicable (FF42+) - * https://wiki.mozilla.org/Media/WebRTC/Privacy ***/ + * [1] https://wiki.mozilla.org/Media/WebRTC/Privacy ***/ user_pref("media.peerconnection.ice.default_address_only", true); // (FF41-FF50) user_pref("media.peerconnection.ice.no_host", true); // (FF51+) /* 2010: disable WebGL (Web Graphics Library), force bare minimum feature set if used & disable WebGL extensions - * http://www.contextis.com/resources/blog/webgl-new-dimension-browser-exploitation/ - * https://security.stackexchange.com/questions/13799/is-webgl-a-security-concern ***/ + * [1] http://www.contextis.com/resources/blog/webgl-new-dimension-browser-exploitation/ + * [2] https://security.stackexchange.com/questions/13799/is-webgl-a-security-concern ***/ user_pref("webgl.disabled", true); user_pref("pdfjs.enableWebGL", false); user_pref("webgl.min_capability_mode", true); user_pref("webgl.disable-extensions", true); user_pref("webgl.disable-fail-if-major-performance-caveat", true); /* 2011: don't make WebGL debug info available to websites - * https://bugzilla.mozilla.org/show_bug.cgi?id=1171228 - * https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_debug_renderer_info ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1171228 + * [2] https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_debug_renderer_info ***/ user_pref("webgl.enable-debug-renderer-info", false); /* 2012: two more webgl preferences (FF51+) ***/ user_pref("webgl.dxgl.enabled", false); user_pref("webgl.enable-webgl2", false); /* 2021: disable speech recognition - * https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition - * https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesis - * https://wiki.mozilla.org/HTML5_Speech_API ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition + * [2] https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesis + * [3] https://wiki.mozilla.org/HTML5_Speech_API ***/ user_pref("media.webspeech.recognition.enable", false); user_pref("media.webspeech.synth.enabled", false); /* 2022: disable screensharing ***/ @@ -814,7 +814,7 @@ user_pref("media.getusermedia.audiocapture.enabled", false); /* 2023: disable camera stuff ***/ user_pref("camera.control.face_detection.enabled", false); /* 2024: enable/disable MSE (Media Source Extensions) - * http://www.ghacks.net/2014/05/10/enable-media-source-extensions-firefox/ ***/ + * [1] http://www.ghacks.net/2014/05/10/enable-media-source-extensions-firefox/ ***/ user_pref("media.mediasource.enabled", true); user_pref("media.mediasource.mp4.enabled", true); user_pref("media.mediasource.webm.audio.enabled", true); @@ -830,21 +830,21 @@ user_pref("media.wave.enabled", false); user_pref("media.webm.enabled", true); user_pref("media.wmf.enabled", true); // https://www.youtube.com/html5 - for the two H.264 entries /* 2026: disable canvas capture stream - * https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/captureStream ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/captureStream ***/ user_pref("canvas.capturestream.enabled", false); /* 2027: disable camera image capture - * https://trac.torproject.org/projects/tor/ticket/16339 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/16339 ***/ user_pref("dom.imagecapture.enabled", false); /* 2028: disable offscreen canvas - * https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas ***/ user_pref("gfx.offscreencanvas.enabled", false); /* 2030: disable auto-play of HTML5 media * [WARNING] This may break youtube video playback (and probably other sites). If you block * autoplay but occasionally would like a toggle button, try the following add-on - * https://addons.mozilla.org/en-US/firefox/addon/autoplay-toggle ***/ + * [1] https://addons.mozilla.org/en-US/firefox/addon/autoplay-toggle ***/ user_pref("media.autoplay.enabled", false); /* 2031: disable audio auto-play in non-active tabs (FF51+) - * http://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/ + * [1] http://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/ user_pref("media.block-autoplay-until-in-foreground", true); /*** 2200: UI MEDDLING @@ -873,22 +873,22 @@ user_pref("dom.allow_scripts_to_close_windows", false); * with 2203 dom.disable_window_move_resize=true | 2418 full-screen-api.enabled=false * [NOTE] You can still right click a link and select open in a new window * [TEST] https://people.torproject.org/~gk/misc/entire_desktop.html - * https://trac.torproject.org/projects/tor/ticket/9881 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/9881 ***/ user_pref("browser.link.open_newwindow.restriction", 0); /* 2205: disable "Confirm you want to leave" dialog on page close * Does not prevent JS leaks of the page close event. - * https://developer.mozilla.org/en-US/docs/Web/Events/beforeunload - * https://support.mozilla.org/en-US/questions/1043508 ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/Events/beforeunload + * [2] https://support.mozilla.org/en-US/questions/1043508 ***/ user_pref("dom.disable_beforeunload", true); /*** 2300: SERVICE WORKERS ***/ user_pref("ghacks_user.js.parrot", "2300 syntax error: the parrot's off the twig!"); /* 2301: disable workers API and service workers API * [NOTE] CVE-2016-5259, CVE-2016-2812, CVE-2016-1949, CVE-2016-5287 (fixed) - * [WARNING] WILL break sites as this gains traction: eg mega.nz requires workers - * https://developer.mozilla.org/en-US/docs/Web/API/Worker - * https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker_API - * http://www.ghacks.net/2016/03/02/manage-service-workers-in-firefox-and-chrome/ ***/ + * [WARNING] WILL break sites especially workers eg Google Street View + * [1] https://developer.mozilla.org/en-US/docs/Web/API/Worker + * [2] https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker_API + * [3] http://www.ghacks.net/2016/03/02/manage-service-workers-in-firefox-and-chrome/ ***/ user_pref("dom.workers.enabled", false); user_pref("dom.serviceWorkers.enabled", false); /* 2302: disable service workers cache and cache storage ***/ @@ -896,47 +896,47 @@ user_pref("dom.caches.enabled", false); /* 2303: disable push notifications (FF44+) [requires serviceWorkers to be enabled] * web apps can receive messages pushed to them from a server, whether or * not the web app is in the foreground, or even currently loaded - * https://developer.mozilla.org/en/docs/Web/API/Push_API - * [WARNING] may affect social media sites like Twitter ***/ + * [WARNING] may affect social media sites like Twitter + * [1] https://developer.mozilla.org/en/docs/Web/API/Push_API ***/ user_pref("dom.push.enabled", false); user_pref("dom.push.connection.enabled", false); user_pref("dom.push.serverURL", ""); user_pref("dom.push.userAgentID", ""); /* 2304: disable web/push notifications - * https://developer.mozilla.org/en-US/docs/Web/API/notification * [NOTE] you can still override individual domains under site permissions (FF44+) - * [WARNING] may affect social media sites like Twitter ***/ + * [WARNING] may affect social media sites like Twitter + * [1] https://developer.mozilla.org/en-US/docs/Web/API/notification ***/ user_pref("dom.webnotifications.enabled", false); user_pref("dom.webnotifications.serviceworker.enabled", false); /*** 2400: DOM & JAVASCRIPT ***/ user_pref("ghacks_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!"); /* 2402: disable website access to clipboard events/content - * http://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/ * [WARNING] 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 ***/ + * the website for it to look at the clipboard + * [1] http://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/ ***/ user_pref("dom.event.clipboardevents.enabled", false); /* 2403: disable clipboard commands (cut/copy) from "non-privileged" content * this disables document.execCommand("cut"/"copy") to protect your clipboard - * https://bugzilla.mozilla.org/show_bug.cgi?id=1170911 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1170911 ***/ user_pref("dom.allow_cut_copy", false); // (hidden pref) /* 2404: disable JS storing data permanently * If you block indexedDB but would like a toggle button, try the following add-on - * https://addons.mozilla.org/en-US/firefox/addon/disable-indexeddb/ * This setting WAS under about:permissions>All Sites>Maintain Offline Storage * [NOTE] about:permissions is no longer available since FF46 but you can still override * individual domains: use info icon in urlbar etc or right click on a web page>view page info - * [WARNING] [SETUP] If set as false (disabled), this WILL break some [old] add-ons and DOES break - * a lot of sites' functionality. Applies to websites, add-ons and session data. ***/ + * [WARNING] [SETUP] If set as false (disabled), this WILL break some [old] add-ons and DOES + * break a lot of sites' functionality. Applies to websites, add-ons and session data. + * [1] https://addons.mozilla.org/en-US/firefox/addon/disable-indexeddb/ ***/ user_pref("dom.indexedDB.enabled", false); /* 2410: disable User Timing API - * https://trac.torproject.org/projects/tor/ticket/16336 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/16336 ***/ user_pref("dom.enable_user_timing", false); /* 2411: disable resource/navigation timing ***/ user_pref("dom.enable_resource_timing", false); /* 2412: disable timing attacks - javascript performance fingerprinting - * https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI ***/ + * [1] https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI ***/ user_pref("dom.enable_performance", false); /* 2414: disable shaking the screen ***/ user_pref("dom.vibrator.enabled", false); @@ -944,7 +944,7 @@ user_pref("dom.vibrator.enabled", false); user_pref("dom.popup_maximum", 3); /* 2415b: limit events that can cause a popup * default is "change click dblclick mouseup notificationclick reset submit touchend" - * http://kb.mozillazine.org/Dom.popup_allowed_events ***/ + * [1] http://kb.mozillazine.org/Dom.popup_allowed_events ***/ user_pref("dom.popup_allowed_events", "click dblclick"); /* 2416: disable idle observation ***/ user_pref("dom.idle-observers-api.enabled", false); @@ -955,24 +955,24 @@ user_pref("dom.idle-observers-api.enabled", false); * set to false=block, set to true=ask ***/ user_pref("full-screen-api.enabled", false); /* 2420: disable support for asm.js ( http://asmjs.org/ ) - * https://www.mozilla.org/en-US/security/advisories/mfsa2015-29/ - * https://www.mozilla.org/en-US/security/advisories/mfsa2015-50/ - * https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2712 ***/ + * [1] https://www.mozilla.org/en-US/security/advisories/mfsa2015-29/ + * [2] https://www.mozilla.org/en-US/security/advisories/mfsa2015-50/ + * [3] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2712 ***/ user_pref("javascript.options.asmjs", false); /* 2421: in addition to 2420, these settings will help harden JS against exploits such as CVE-2015-0817 - * https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817 - * [WARNING] causes the odd site issue and there is also a performance loss ***/ + * [WARNING] 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 ***/ // user_pref("javascript.options.ion", false); // user_pref("javascript.options.baselinejit", false); /* 2422: disable WebAssembly for now (FF52+) - * https://developer.mozilla.org/en-US/docs/WebAssembly ***/ + * [1] https://developer.mozilla.org/en-US/docs/WebAssembly ***/ user_pref("javascript.options.wasm", false); /* 2425: disable ArchiveAPI i.e reading content of archives, such as zip files, directly * in the browser, through DOM file objects. Default is false. ***/ user_pref("dom.archivereader.enabled", false); /* 2450a: force Firefox to tell you if a website asks to store data for offline use - * https://support.mozilla.org/en-US/questions/1098540 - * https://bugzilla.mozilla.org/show_bug.cgi?id=959985 ***/ + * [1] https://support.mozilla.org/en-US/questions/1098540 + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=959985 ***/ user_pref("offline-apps.allow_by_default", false); /* 2450b: display a notification when websites offer data for offline use * [SETTING] Options>Advanced>Network>Tell me when a website asks to store data for offline use ***/ @@ -985,27 +985,27 @@ user_pref("browser.offline-apps.notify", true); /*** 2500: HARDWARE FINGERPRINTING ***/ user_pref("ghacks_user.js.parrot", "2500 syntax error: the parrot's shuffled off 'is mortal coil!"); /* 2501: disable gamepad API - USB device ID enumeration - * https://trac.torproject.org/projects/tor/ticket/13023 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/13023 ***/ user_pref("dom.gamepad.enabled", false); /* 2503: disable giving away network info * eg bluetooth, cellular, ethernet, wifi, wimax, other, mixed, unknown, none - * https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API - * https://wicg.github.io/netinfo/ - * https://bugzilla.mozilla.org/show_bug.cgi?id=960426 ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API + * [2] https://wicg.github.io/netinfo/ + * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=960426 ***/ user_pref("dom.netinfo.enabled", false); /* 2504: disable virtual reality devices - * https://developer.mozilla.org/en-US/docs/Web/API/WebVR_API ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/WebVR_API ***/ user_pref("dom.vr.enabled", false); user_pref("dom.vr.oculus.enabled", false); user_pref("dom.vr.osvr.enabled", false); // (FF49+) user_pref("dom.vr.openvr.enabled", false); // (FF51+) /* 2505: disable media device enumeration (FF29+) * [NOTE] media.peerconnection.enabled should also be set to false (see 2001) - * https://wiki.mozilla.org/Media/getUserMedia - * https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/enumerateDevices ***/ + * [1] https://wiki.mozilla.org/Media/getUserMedia + * [2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/enumerateDevices ***/ user_pref("media.navigator.enabled", false); /* 2506: disable video statistics - JS performance fingerprinting - * https://trac.torproject.org/projects/tor/ticket/15757 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/15757 ***/ user_pref("media.video_stats.enabled", false); /* 2507: disable keyboard fingerprinting (FF38+) (physical keyboards) * The Keyboard API allows tracking the "read parameter" of pressed keys in forms on @@ -1013,8 +1013,8 @@ user_pref("media.video_stats.enabled", false); * AZERTY, Dvorak, and between various languages, eg German vs English. * [WARNING] Don't use if Android + physical keyboard * [UPDATE] This MAY be incorporated better under privacy.resistFingerprinting (see 2699) - * https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code - * https://www.privacy-handbuch.de/handbuch_21v.htm ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code + * [2] https://www.privacy-handbuch.de/handbuch_21v.htm ***/ user_pref("dom.keyboardevent.code.enabled", false); user_pref("dom.beforeAfterKeyboardEvent.enabled", false); user_pref("dom.keyboardevent.dispatch_during_composition", false); @@ -1022,29 +1022,29 @@ user_pref("dom.keyboardevent.dispatch_during_composition", false); * [SETTING] Options>Advanced>General>Use hardware acceleration when available * [NOTE] changing this option changes BOTH these preferences * [WARNING] [SETUP] Affects text rendering (fonts will look different) and impacts video performance - * https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration ***/ + * [1] https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration ***/ user_pref("gfx.direct2d.disabled", true); user_pref("layers.acceleration.disabled", true); /* 2509: disable touch events [SETUP] - * https://developer.mozilla.org/en-US/docs/Web/API/Touch_events - * https://trac.torproject.org/projects/tor/ticket/10286 - * fingerprinting attack vector - leaks screen res & actual screen coordinates ***/ + * fingerprinting attack vector - leaks screen res & actual screen coordinates + * [1] https://developer.mozilla.org/en-US/docs/Web/API/Touch_events + * [2] https://trac.torproject.org/projects/tor/ticket/10286 ***/ user_pref("dom.w3c_touch_events.enabled", 0); /* 2510: disable Web Audio API (FF51+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1288359 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1288359 ***/ user_pref("dom.webaudio.enabled", false); /* 2511: disable MediaDevices change detection (FF51+) (enabled by default starting FF52+) - * https://developer.mozilla.org/en-US/docs/Web/Events/devicechange - * https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/ondevicechange ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/Events/devicechange + * [2] https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/ondevicechange ***/ user_pref("media.ondevicechange.enabled", false); /* 2512: disable device sensor API - * https://trac.torproject.org/projects/tor/ticket/15758 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/15758 ***/ user_pref("device.sensors.enabled", false); /*** 2600: MISC - LEAKS / FINGERPRINTING / PRIVACY / SECURITY ***/ user_pref("ghacks_user.js.parrot", "2600 syntax error: the parrot's run down the curtain!"); /* 2601: disable sending additional analytics to web servers - * https://developer.mozilla.org/en-US/docs/Web/API/navigator.sendBeacon ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/navigator.sendBeacon ***/ user_pref("beacon.enabled", false); /* 2602: CIS 2.3.2 disable downloading on desktop ***/ user_pref("browser.download.folderList", 2); @@ -1062,17 +1062,17 @@ user_pref("browser.pagethumbnails.capturing_disabled", true); // (hidden pref) /* 2608: disable JAR from opening Unsafe File Types ***/ user_pref("network.jar.open-unsafe-types", false); /* 2611: disable WebIDE to prevent remote debugging and add-on downloads - * https://trac.torproject.org/projects/tor/ticket/16222 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/ user_pref("devtools.webide.autoinstallADBHelper", false); user_pref("devtools.webide.autoinstallFxdtAdapters", false); user_pref("devtools.debugger.remote-enabled", false); user_pref("devtools.webide.enabled", false); /* 2612: disable SimpleServiceDiscovery - which can bypass proxy settings - eg Roku - * https://trac.torproject.org/projects/tor/ticket/16222 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/16222 ***/ user_pref("browser.casting.enabled", false); user_pref("gfx.layerscope.enabled", false); /* 2614: disable SPDY as it can contain identifiers - * https://www.torproject.org/projects/torbrowser/design/#identifier-linkability (no. 10) ***/ + * [1] https://www.torproject.org/projects/torbrowser/design/#identifier-linkability (no. 10) ***/ user_pref("network.http.spdy.enabled", false); user_pref("network.http.spdy.enabled.deps", false); /* 2615: disable http2 for now as well ***/ @@ -1088,18 +1088,18 @@ user_pref("network.http.spdy.enabled.http2", false); * [SETUP] By all means, use an external app you consider MORE secure ***/ user_pref("pdfjs.disabled", false); /* 2618: when using SOCKS have the proxy server do the DNS lookup - DNS leak issue - * http://kb.mozillazine.org/Network.proxy.socks_remote_dns - * https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers * eg in TOR, this stops your local DNS server from knowing your Tor destination - * as a remote Tor node will handle the DNS request ***/ + * 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 ***/ user_pref("network.proxy.socks_remote_dns", true); /* 2619: limit HTTP redirects (this does not control redirects with HTML meta tags or JS) * [WARNING] a low setting of 5 or under will probably break some sites (eg gmail logins) * To control HTML Meta tag and JS redirects, use an add-on (eg NoRedirect). Default is 20 ***/ user_pref("network.http.redirection-limit", 10); /* 2620: disable middle mouse click opening links from clipboard - * https://trac.torproject.org/projects/tor/ticket/10089 - * http://kb.mozillazine.org/Middlemouse.contentLoadURL ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/10089 + * [2] http://kb.mozillazine.org/Middlemouse.contentLoadURL ***/ user_pref("middlemouse.contentLoadURL", false); /* 2621: disable IPv6 (included for knowledge ONLY [WARNING] do not do this) * This is all about covert channels such as MAC addresses being included/abused in the @@ -1109,35 +1109,35 @@ user_pref("middlemouse.contentLoadURL", false); * 2011: https://iapp.org/news/a/2011-09-09-facing-the-privacy-implications-of-ipv6 * 2012: http://www.zdnet.com/article/security-versus-privacy-with-ipv6-deployment/ * [NOTE] It is a myth that disabling IPv6 will speed up your internet connection - * http://www.howtogeek.com/195062/no-disabling-ipv6-probably-wont-speed-up-your-internet-connection ***/ + * [1] http://www.howtogeek.com/195062/no-disabling-ipv6-probably-wont-speed-up-your-internet-connection ***/ // user_pref("network.dns.disableIPv6", true); // user_pref("network.http.fast-fallback-to-IPv4", true); /* 2622: ensure you have a security delay when installing add-ons (milliseconds) * default=1000, This also covers the delay in "Save" on downloading files. - * http://kb.mozillazine.org/Disable_extension_install_delay_-_Firefox - * http://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/ + * [1] http://kb.mozillazine.org/Disable_extension_install_delay_-_Firefox + * [2] http://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/ ***/ user_pref("security.dialog_enable_delay", 700); /* 2623: ensure Strict File Origin Policy on local files * The default is true. Included for completeness - * http://kb.mozillazine.org/Security.fileuri.strict_origin_policy ***/ + * [1] http://kb.mozillazine.org/Security.fileuri.strict_origin_policy ***/ user_pref("security.fileuri.strict_origin_policy", true); /* 2624: enforce Subresource Integrity (SRI) (FF43+) * The default is true. Included for completeness - * https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity - * https://wiki.mozilla.org/Security/Subresource_Integrity ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity + * [2] https://wiki.mozilla.org/Security/Subresource_Integrity ***/ user_pref("security.sri.enable", true); /* 2625: Applications [non Tor protocol] SHOULD generate an error * upon the use of .onion and SHOULD NOT perform a DNS lookup. - * https://bugzilla.mozilla.org/show_bug.cgi?id=1228457 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1228457 ***/ user_pref("network.dns.blockDotOnion", true); /* 2626: strip optional user agent token, default is false, included for completeness - * https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Gecko_user_agent_string_reference ***/ user_pref("general.useragent.compatMode.firefox", false); /* 2628: disable UITour backend so there is no chance that a remote page can use it ***/ user_pref("browser.uitour.enabled", false); user_pref("browser.uitour.url", ""); /* 2629: disable remote JAR files being opened, regardless of content type - * https://bugzilla.mozilla.org/show_bug.cgi?id=1215235 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1215235 ***/ user_pref("network.jar.block-remote-files", true); /* 2650: start the browser in e10s mode (FF48+) * After restarting the browser, you can check whether it's enabled by visiting @@ -1148,70 +1148,70 @@ user_pref("network.jar.block-remote-files", true); // user_pref("browser.tabs.remote.force-enable", true); // (hidden pref) // user_pref("extensions.e10sBlocksEnabling", false); /* 2651: control e10s number of container processes - * http://www.ghacks.net/2016/02/15/change-how-many-processes-multi-process-firefox-uses/ - * https://bugzilla.mozilla.org/show_bug.cgi?id=1207306 ***/ + * [1] http://www.ghacks.net/2016/02/15/change-how-many-processes-multi-process-firefox-uses/ + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1207306 ***/ // user_pref("dom.ipc.processCount", 4); /* 2652: enable console shim warnings for extensions that don't have the flag 'multiprocessCompatible' as true ***/ user_pref("dom.ipc.shims.enabledWarnings", true); /* 2660: enforce separate content process for file://URLs (FF53+?) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1147911 - * http://www.ghacks.net/2016/11/27/firefox-53-exclusive-content-process-for-local-files/ ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1147911 + * [2] http://www.ghacks.net/2016/11/27/firefox-53-exclusive-content-process-for-local-files/ ***/ user_pref("browser.tabs.remote.separateFileUriProcess", true); /* 2662: 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] This may interfere with some users' workflow or methods - * https://bugzilla.mozilla.org/show_bug.cgi?id=1281959 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281959 ***/ user_pref("browser.download.forbid_open_with", true); /* 2663: disable MathML (Mathematical Markup Language) (FF51+) * [TEST] http://browserspy.dk/mathml.php - * https://bugzilla.mozilla.org/show_bug.cgi?id=1173199 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1173199 ***/ user_pref("mathml.disabled", true); /* 2664: disable DeviceStorage API - * https://wiki.mozilla.org/WebAPI/DeviceStorageAPI ***/ + * [1] https://wiki.mozilla.org/WebAPI/DeviceStorageAPI ***/ user_pref("device.storage.enabled", false); /* 2665: sanitize webchannel whitelist ***/ user_pref("webchannel.allowObject.urlWhitelist", ""); /* 2666: disable HTTP Alternative Services - * http://www.ghacks.net/2015/08/18/a-comprehensive-list-of-firefox-privacy-and-security-settings/#comment-3970881 ***/ + * [1] http://www.ghacks.net/2015/08/18/a-comprehensive-list-of-firefox-privacy-and-security-settings/#comment-3970881 ***/ user_pref("network.http.altsvc.enabled", false); user_pref("network.http.altsvc.oe", false); /* 2667: disable various developer tools in browser context * [SETTING] Devtools>Advanced Settings>Enable browser chrome and add-on debugging toolboxes - * http://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676 ***/ + * [1] http://github.com/pyllyukko/user.js/issues/179#issuecomment-246468676 ***/ user_pref("devtools.chrome.enabled", false); /* 2668: lock down allowed extension directories * [WARNING] this will break add-ons that do not use the default XPI directories - * https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/ - * archived: http://archive.is/DYjAM ***/ + * [1] https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/ + * [2] archived: http://archive.is/DYjAM ***/ user_pref("extensions.enabledScopes", 1); // (hidden pref) user_pref("extensions.autoDisableScopes", 15); /* 2669: strip paths when sending URLs to PAC scripts (FF51+) * CVE-2017-5384: Information disclosure via Proxy Auto-Config (PAC) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1255474 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1255474 ***/ user_pref("network.proxy.autoconfig_url.include_path", false); /* 2670: close bypassing of CSP via image mime types (FF51+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1288361 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1288361 ***/ user_pref("security.block_script_with_wrong_mime", true); /* 2671: disable in-content SVG (Scalable Vector Graphics) (FF53+) * [WARNING] SVG is fairly common (~15% of the top 10K sites), so will cause some breakage - * https://bugzilla.mozilla.org/show_bug.cgi?id=1216893 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1216893 ***/ user_pref("svg.disabled", true); /* 2672: force Punycode for Internationalized Domain Names to eliminate possible spoofing security risk * Firefox has *some* protections to mitigate the risk, 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 from countries with non-latin alphabets - * http://kb.mozillazine.org/Network.IDN_show_punycode - * https://wiki.mozilla.org/IDN_Display_Algorithm - * https://en.wikipedia.org/wiki/IDN_homograph_attack - * CVE-2017-5383: https://www.mozilla.org/en-US/security/advisories/mfsa2017-02/ ***/ + * [1] http://kb.mozillazine.org/Network.IDN_show_punycode + * [2] https://wiki.mozilla.org/IDN_Display_Algorithm + * [3] https://en.wikipedia.org/wiki/IDN_homograph_attack + * [4] CVE-2017-5383: https://www.mozilla.org/en-US/security/advisories/mfsa2017-02/ ***/ user_pref("network.IDN_show_punycode", true); /* 2673: enforce CSP (Content Security Policy) (default is true) - * https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP ***/ user_pref("security.csp.enable", true); /* 2674: enable CSP 1.1 experimental hash-source directive (FF29+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=855326 - * https://bugzilla.mozilla.org/show_bug.cgi?id=883975 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=855326 + * [2] https://bugzilla.mozilla.org/show_bug.cgi?id=883975 ***/ user_pref("security.csp.experimentalEnabled", true); /*** 2697: USER AGENT (UA) SPOOFING @@ -1231,7 +1231,7 @@ user_pref("security.csp.experimentalEnabled", true); // user_pref("general.useragent.override", "Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Firefox/45.0"); // (hidden pref) /* 2697b: navigator.buildID (see gecko.buildID in about:config) reveals build time * down to the second which defeats user agent spoofing and can compromise OS etc - * https://bugzilla.mozilla.org/show_bug.cgi?id=583181 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=583181 ***/ // user_pref("general.buildID.override", "20100101"); // (hidden pref) /* 2697c: navigator.appName ***/ //user_pref("general.appname.override", "Netscape"); // (hidden pref) @@ -1246,25 +1246,25 @@ user_pref("security.csp.experimentalEnabled", true); /*** 2698: FIRST PARTY ISOLATION (FPI) ***/ /* 2698a: enable first party isolation pref and OriginAttribute (FF51+) * [WARNING] breaks lots of cross-domain logins and site functionality until perfected - * https://bugzilla.mozilla.org/show_bug.cgi?id=1260931 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1260931 ***/ /* 2698b: isolate favicons (FF52+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1277803 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1277803 ***/ /* 2698c: isolate OCSP cache (FF52+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1264562 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1264562 ***/ /* 2698d: isolate Shared Workers (FF52+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1268726 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1268726 ***/ /* 2698e: isolate SSL session cache (FF52+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1316283 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1316283 ***/ /* 2698f: isolate media cache (FF53+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1317927 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1317927 ***/ /* 2698g: isolate HSTS and HPKP (FF54+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1323644 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1323644 ***/ /* 2698h: isolate HTTP Alternative Services (FF54+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1334690 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334690 ***/ /* 2698i: isolate SPDY/HTTP2 (FF55+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1334693 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1334693 ***/ /* 2698j: isolate DNS cache (FF55+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1337893 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1337893 ***/ // user_pref("privacy.firstparty.isolate", true); /*** 2699: TOR UPLIFT: privacy.resistFingerprinting @@ -1272,7 +1272,7 @@ user_pref("security.csp.experimentalEnabled", true); This section will attempt to list all the ramifications and Mozilla tickets ***/ /* 2699a: limit window.screen & CSS media queries providing large amounts of identifiable info. * POC: http://ip-check.info/?lang=en (screen, usable screen, and browser window will match) - * https://bugzilla.mozilla.org/show_bug.cgi?id=418986 + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=418986 * [NOTE] does not cover everything yet - https://bugzilla.mozilla.org/show_bug.cgi?id=1216800 * [NOTE] this will probably make your values pretty unique until you resize or snap the * inner window width + height into standard/common resolutions (mine is at 1366x768) @@ -1282,9 +1282,9 @@ user_pref("security.csp.experimentalEnabled", true); * [TEST] http://browserspy.dk/screen.php * Common resolutions: http://www.rapidtables.com/web/dev/screen-resolution-statistics.htm ***/ /* 2699b: spoof screen orientation - * https://bugzilla.mozilla.org/show_bug.cgi?id=1281949 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281949 ***/ /* 2699c: hide the contents of navigator.plugins and navigator.mimeTypes (FF50+) - * https://bugzilla.mozilla.org/show_bug.cgi?id=1281963 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1281963 ***/ user_pref("privacy.resistFingerprinting", true); // (hidden pref) /*** 2700: COOKIES & DOM STORAGE ***/ @@ -1295,8 +1295,8 @@ user_pref("ghacks_user.js.parrot", "2700 syntax error: the parrot's joined the b * [SETTING] Options>Privacy>History>Custom Settings>Accept cookies from sites ***/ user_pref("network.cookie.cookieBehavior", 2); /* 2702: ensure that third-party cookies (if enabled, see above pref) are session-only - * https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ - * http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly ***/ + * [1] https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ + * [1] http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly ***/ user_pref("network.cookie.thirdparty.sessionOnly", true); /* 2703: set cookie lifetime policy * 0=until they expire (default), 2=until you close Firefox, 3=for n days (see next pref) @@ -1312,17 +1312,17 @@ user_pref("network.cookie.thirdparty.sessionOnly", true); * The API gives sites the ability to find out how much space they can use, how much * they are already using, and even control whether or not they need to be alerted * before the user agent disposes of site data in order to make room for other things. - * https://developer.mozilla.org/en-US/docs/Web/API/StorageManager - * https://developer.mozilla.org/en-US/docs/Web/API/Storage_API ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/API/StorageManager + * [1] https://developer.mozilla.org/en-US/docs/Web/API/Storage_API ***/ user_pref("dom.storageManager.enabled", false); /* 2707: clear localStorage and UUID when a WebExtension is uninstalled * [NOTE] both preferences must be the same - * https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/storage/local - * https://bugzilla.mozilla.org/show_bug.cgi?id=1213990 ***/ + * [1] https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/storage/local + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1213990 ***/ user_pref("extensions.webextensions.keepStorageOnUninstall", false); user_pref("extensions.webextensions.keepUuidOnUninstall", false); /* 2708: prevent HTTP sites from setting cookies with the "secure" directive (default: true) (FF52+) - * https://developer.mozilla.org/en-US/Firefox/Releases/52#HTTP ***/ + * [1] https://developer.mozilla.org/en-US/Firefox/Releases/52#HTTP ***/ user_pref("network.cookie.leave-secure-alone", true); /*** 2800: SHUTDOWN [SETUP] @@ -1384,7 +1384,7 @@ user_pref("browser.tabs.warnOnClose", false); user_pref("browser.tabs.warnOnCloseOtherTabs", false); user_pref("browser.tabs.warnOnOpen", false); /* 3001a: disable warning when a domain requests full screen - * https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode ***/ + * [1] https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode ***/ // user_pref("full-screen-api.warning.delay", 0); // user_pref("full-screen-api.warning.timeout", 0); /* 3002: disable closing browser with last tab ***/ @@ -1398,7 +1398,7 @@ user_pref("browser.backspace_action", 2); * [SETTING] Options>General>Tabs>Open new windows in a new tab instead ***/ user_pref("browser.link.open_newwindow", 3); /* 3009: turn on APZ (Async Pan/Zoom) - requires e10s - * http://www.ghacks.net/2015/07/28/scrolling-in-firefox-to-get-a-lot-better-thanks-to-apz/ ***/ + * [1] http://www.ghacks.net/2015/07/28/scrolling-in-firefox-to-get-a-lot-better-thanks-to-apz/ ***/ // user_pref("layers.async-pan-zoom.enabled", true); /* 3010: enable ctrl-tab previews ***/ user_pref("browser.ctrlTab.previews", true); @@ -1408,8 +1408,8 @@ user_pref("view_source.tab", false); /* 3012: spellchecking: 0=none, 1-multi-line controls, 2=multi-line & single-line controls ***/ user_pref("layout.spellcheckDefault", 1); /* 3013: disable automatic "Work Offline" status - * https://bugzilla.mozilla.org/show_bug.cgi?id=620472 - * https://developer.mozilla.org/en-US/docs/Online_and_offline_events ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=620472 + * [1] https://developer.mozilla.org/en-US/docs/Online_and_offline_events ***/ user_pref("network.manage-offline-status", false); /* 3015: disable tab animation, speed things up a little ***/ user_pref("browser.tabs.animate", false); @@ -1446,7 +1446,7 @@ user_pref("browser.bookmarks.showRecentlyBookmarked", false); * need more info, but lock down for now ***/ user_pref("browser.migrate.automigrate.enabled", false); /* 3024: enable "Find As You Type" - * http://kb.mozillazine.org/Accessibility.typeaheadfind ***/ + * [1] http://kb.mozillazine.org/Accessibility.typeaheadfind ***/ // user_pref("accessibility.typeaheadfind", true); /* END: internal custom pref to test for syntax errors ***/ @@ -1461,12 +1461,12 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem /* 2408: (31+) disable network API - fingerprinting vector ***/ // user_pref("dom.network.enabled", false); /* 2620: (35+) disable WebSockets - * https://developer.mozilla.org/en-US/Firefox/Releases/35 ***/ + * [1] https://developer.mozilla.org/en-US/Firefox/Releases/35 ***/ // user_pref("network.websocket.enabled", false); /* 2023: (37+) disable camera autofocus callback (was in 36, not in 37) * Not part of any specification, the API will be superceded by the WebRTC Capture * and Stream API ( http://w3c.github.io/mediacapture-main/getusermedia.html ) - * https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/API/CameraControl/ ***/ + * [1] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/API/CameraControl/ ***/ // user_pref("camera.control.autofocus_moving_callback.enabled", false); /* 1804: (41+) disable plugin enumeration ***/ // user_pref("plugins.enumerable_names", ""); @@ -1475,7 +1475,7 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem * labelled v42+ because that's when tracking protection landed ***/ // user_pref("browser.polaris.enabled", false); /* 2803: (42+) what to clear on shutdown - * https://bugzilla.mozilla.org/show_bug.cgi?id=1102184#c23 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1102184#c23 ***/ // user_pref("privacy.clearOnShutdown.passwords", false); /* 0411: (43+) disable safebrowsing urls & download ***/ // user_pref("browser.safebrowsing.gethashURL", ""); @@ -1488,13 +1488,13 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem // user_pref("browser.safebrowsing.reportURL", ""); // user_pref("browser.safebrowsing.updateURL", ""); /* 0420: (43+) disable tracking protection. FF43+ URLs are now part of safebrowsing - * https://wiki.mozilla.org/Security/Tracking_protection (look under Prefs) + * [1] https://wiki.mozilla.org/Security/Tracking_protection (look under Prefs) * [NOTE] getupdateURL = WRONG / never existed. updateURL = CORRECT and has been added FYI ***/ // user_pref("browser.trackingprotection.gethashURL", ""); // user_pref("browser.trackingprotection.getupdateURL", ""); // user_pref("browser.trackingprotection.updateURL", ""); /* 1803: (43+) remove plugin finder service - * http://kb.mozillazine.org/Pfs.datasource.url ***/ + * [1] http://kb.mozillazine.org/Pfs.datasource.url ***/ // user_pref("pfs.datasource.url", ""); /* 2403: (43+) disable scripts changing images * [TEST] http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_img_src2 @@ -1508,12 +1508,12 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem /* 3003: (43+) disable new search panel UI [Classic Theme Restorer can restore the old search] ***/ // user_pref("browser.search.showOneOffButtons", false); /* 1201: (44+) block rc4 whitelist - * https://developer.mozilla.org/en-US/Firefox/Releases/44#Security ***/ + * [1] https://developer.mozilla.org/en-US/Firefox/Releases/44#Security ***/ // user_pref("security.tls.insecure_fallback_hosts.use_static_list", false); /* 2417: (44+) disable SharedWorkers, which allow the exchange of data between iFrames that * are open in different tabs, even if the sites do not belong to the same domain. - * https://www.torproject.org/projects/torbrowser/design/#identifier-linkability (no. 8) - * https://bugs.torproject.org/15562 + * [1] https://www.torproject.org/projects/torbrowser/design/#identifier-linkability (no. 8) + * [1] https://bugs.torproject.org/15562 * is used in FF 45 and 46 code once, to set it for a test ***/ // user_pref("dom.workers.sharedWorkers.enabled", false); /* 1005: (45+) disable deferred level of storing extra session data 0=all 1=http-only 2=none ***/ @@ -1530,28 +1530,28 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem /* 0333b: (47+) disable about:healthreport page UNIFIED ***/ // user_pref("datareporting.healthreport.about.reportUrlUnified", "data:text/plain,"); /* 0807: (47+) disable history manipulation - * https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Manipulating_the_browser_history + * [1] https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Manipulating_the_browser_history * [WARNING] if set to false it breaks some sites (youtube) ability to correctly show the * url in location bar and for the forward/back tab history to work ***/ // user_pref("browser.history.allowPopState", false); // user_pref("browser.history.allowPushState", false); // user_pref("browser.history.allowReplaceState", false); /* (48+) disable dom.mozTCPSocket.enabled (raw TCP socket support) - * 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 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/18863 + * [1] https://www.mozilla.org/en-US/security/advisories/mfsa2015-97/ + * [1] https://developer.mozilla.org/docs/Mozilla/B2G_OS/API/TCPSocket ***/ // user_pref("dom.mozTCPSocket.enabled", false); /* 0806: (48+) disable 'unified complete': 'Search with [default search engine]' * this feature has been added back in Classic Theme Restorer - * http://techdows.com/2016/05/firefox-unified-complete-aboutconfig-preference-removed.html ***/ + * [1] http://techdows.com/2016/05/firefox-unified-complete-aboutconfig-preference-removed.html ***/ // user_pref("browser.urlbar.unifiedcomplete", false); /* 3006: (48+) disable enforced add-on signing * [NOTE] the preference is still in FF48+, but it's legacy code and does not work in stable ***/ // user_pref("xpinstall.signatures.required", false); /* 0372: (49+) disable "Hello" (TokBox/Telefonica WebRTC voice & video call PUP) WebRTC (IP leak) - * https://www.mozilla.org/en-US/privacy/firefox-hello/ - * https://security.stackexchange.com/questions/94284/how-secure-is-firefox-hello - * https://support.mozilla.org/en-US/kb/hello-status ***/ + * [1] https://www.mozilla.org/en-US/privacy/firefox-hello/ + * [1] https://security.stackexchange.com/questions/94284/how-secure-is-firefox-hello + * [1] https://support.mozilla.org/en-US/kb/hello-status ***/ // user_pref("loop.enabled", false); // user_pref("loop.server", ""); // user_pref("loop.feedback.formURL", ""); @@ -1574,8 +1574,8 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem /* 0410a: (50+) "Block dangerous and deceptive content" pref name change ***/ // user_pref("browser.safebrowsing.enabled", false); // FF49 and earlier /* 1202: (50+) disable rc4 ciphers - * https://www.fxsitecompat.com/en-CA/docs/2016/rc4-support-has-been-completely-removed/ - * https://trac.torproject.org/projects/tor/ticket/17369 ***/ + * [1] https://www.fxsitecompat.com/en-CA/docs/2016/rc4-support-has-been-completely-removed/ + * [1] https://trac.torproject.org/projects/tor/ticket/17369 ***/ // user_pref("security.ssl3.ecdhe_ecdsa_rc4_128_sha", false); // user_pref("security.ssl3.ecdhe_rsa_rc4_128_sha", false); // user_pref("security.ssl3.rsa_rc4_128_md5", false); @@ -1583,20 +1583,20 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem /* 1809: (50+) remove Mozilla's plugin update URL ***/ // user_pref("plugins.update.url", ""); /* 1851: (51+) delay play of videos until they're visible - * https://bugzilla.mozilla.org/show_bug.cgi?id=1180563 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1180563 ***/ // user_pref("media.block-play-until-visible", true); /* 2504: (51+) disable virtual reality devices ***/ // user_pref("dom.vr.oculus050.enabled", false); /* 2614: (51+) disable SPDY ***/ // user_pref("network.http.spdy.enabled.v3-1", false); /* 1602: (?) this DNT .value pref (still in code) was deprecated some time ago - * http://kb.mozillazine.org/Privacy.donottrackheader.value (pref required since FF21+) ***/ + * [1] http://kb.mozillazine.org/Privacy.donottrackheader.value (pref required since FF21+) ***/ // user_pref("privacy.donottrackheader.value", 1); // (hidden pref) /* 1601: (52+) disable referer from an SSL Website * removed: https://bugzilla.mozilla.org/show_bug.cgi?id=1308725 ***/ // user_pref("network.http.sendSecureXSiteReferrer", false); /* 1850: (52+) disable the Adobe EME "Primetime CDM" (Content Decryption Module) - * https://trac.torproject.org/projects/tor/ticket/16285 ***/ + * [1] https://trac.torproject.org/projects/tor/ticket/16285 ***/ // user_pref("media.gmp-eme-adobe.enabled", false); // user_pref("media.gmp-eme-adobe.visible", false); // user_pref("media.gmp-eme-adobe.autoupdate", false); @@ -1605,10 +1605,10 @@ user_pref("ghacks_user.js.parrot", "No no he's not dead, he's, he's restin'! Rem /* 2502: (52+) 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. * eg: do you have a battery or not, current charging status, charge level, times remaining etc - * http://techcrunch.com/2015/08/04/battery-attributes-can-be-used-to-track-web-users/ - * https://bugzilla.mozilla.org/show_bug.cgi?id=1124127 - * https://www.w3.org/TR/battery-status/ - * https://www.theguardian.com/technology/2016/aug/02/battery-status-indicators-tracking-online + * [1] http://techcrunch.com/2015/08/04/battery-attributes-can-be-used-to-track-web-users/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1124127 + * [1] https://www.w3.org/TR/battery-status/ + * [1] https://www.theguardian.com/technology/2016/aug/02/battery-status-indicators-tracking-online * [NOTE] From FF52+ Battery Status API is only available in chrome/privileged code. - * https://bugzilla.mozilla.org/show_bug.cgi?id=1313580 ***/ + * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1313580 ***/ // user_pref("dom.battery.enabled", false);