diff options
Diffstat (limited to 'nonprism-testing/iceweasel-hardened/firefox-branding.js')
| -rw-r--r-- | nonprism-testing/iceweasel-hardened/firefox-branding.js | 1101 |
1 files changed, 1101 insertions, 0 deletions
diff --git a/nonprism-testing/iceweasel-hardened/firefox-branding.js b/nonprism-testing/iceweasel-hardened/firefox-branding.js new file mode 100644 index 000000000..e90c70fd0 --- /dev/null +++ b/nonprism-testing/iceweasel-hardened/firefox-branding.js @@ -0,0 +1,1101 @@ +/****************************************************************************** + * user.js * + * https://github.com/pyllyukko/user.js * + ******************************************************************************/ + + /***************************************************************************** + * Avoid hardware based fingerprintings * + * Canvas/Font's/Plugins * + ******************************************************************************/ +// https://wiki.mozilla.org/Platform/GFX/HardwareAcceleration +// https://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html +// https://github.com/dillbyrne/random-agent-spoofer/issues/74 +pref("gfx.direct2d.disabled", true); +pref("layers.acceleration.disabled", true); +pref("gfx.downloadable_fonts.fallback_delay", -1); +pref("intl.charset.default", "windows-1252"); +pref("intl.locale.matchOS", false); +pref("javascript.use_us_english_locale", true); +pref("noscript.forbidFonts", true); + +/****************************************************************************** + * HTML5 / APIs / DOM * + * * + ******************************************************************************/ + +// disable Location-Aware Browsing +// http://www.mozilla.org/en-US/firefox/geolocation/ +pref("geo.enabled", false); + +// 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 +pref("dom.mozTCPSocket.enabled", false); + +// Disable DOM Shared Workers +// See https://bugs.torproject.org/15562 +pref("dom.workers.sharedWorkers.enabled", false); + +// Disable WebSockets +// https://www.infoq.com/news/2012/03/websockets-security +// http://mdn.beonex.com/en/WebSockets.html +pref("network.websocket.max-connections", 0); + +// Disable DOM Push API +// https://developer.mozilla.org/en-US/docs/Web/API/Push_API +// https://wiki.mozilla.org/Security/Reviews/Push_API +// https://wiki.mozilla.org/Privacy/Reviews/Push_API +// https://bugzilla.mozilla.org/show_bug.cgi?id=1038811 +// https://bugzilla.mozilla.org/show_bug.cgi?id=1153499 +pref("dom.push.enabled", false); +pref("dom.push.serverURL", ""); +pref("dom.push.userAgentID", ""); +// https://hg.mozilla.org/releases/mozilla-beta/file/e549349b8d66/modules/libpref/init/all.js#l4237 +pref("dom.push.connection.enabled", false); +pref("dom.push.adaptive.enabled", false); +pref("dom.push.udp.wakeupEnabled", false); +// https://hg.mozilla.org/releases/mozilla-beta/file/00bcc10b3bdc/modules/libpref/init/all.js#l4445 +// https://hg.mozilla.org/releases/mozilla-beta/file/00bcc10b3bdc/dom/push/PushRecord.jsm#l59 +pref("dom.push.maxQuotaPerSubscription", 0); +// https://wiki.mozilla.org/Security/Reviews/SimplePush +pref("services.push.enabled", false); +pref("services.push.serverURL", ""); + +// Disable Kinto Cloud +// Note: Pref may change name in future release +// https://bugzilla.mozilla.org/show_bug.cgi?id=1266235#c2 +pref("services.kinto.base", ""); + +// Disable MDNS (Supposedly only for Android but is in Desktop version also) +// https://hg.mozilla.org/releases/mozilla-beta/file/00bcc10b3bdc/dom/presentation/provider/MulticastDNSDeviceProvider.cpp#l18 +pref("dom.presentation.discovery.enabled", false); +pref("dom.presentation.discoverable", false); + +// http://kb.mozillazine.org/Dom.storage.enabled +// http://dev.w3.org/html5/webstorage/#dom-localstorage +// you can also see this with Panopticlick's "DOM localStorage" +pref("dom.storage.enabled", false); + +// Whether JS can get information about the network/browser connection +// Network Information API provides general information about the system's connection type (WiFi, cellular, etc.) +// https://developer.mozilla.org/en-US/docs/Web/API/Network_Information_API +// https://wicg.github.io/netinfo/#privacy-considerations +// https://bugzilla.mozilla.org/show_bug.cgi?id=960426 +pref("dom.netinfo.enabled", false); +// fingerprinting due to differing OS implementations +pref("dom.network.enabled", false); + +// Disable Web Audio API +// https://bugzil.la/1288359 +pref("dom.webaudio.enabled", false); + +// Audio_data is deprecated in future releases, but still present +// in FF24. This is a dangerous combination (spotted by iSec) +pref("media.audio_data.enabled", false); + +// Don't autoplay WebM and other embedded media files +// https://support.mozilla.org/en-US/questions/1073167 +pref("media.autoplay.enabled", false); +pref("noscript.forbidMedia", true); + +// Don't reveal your internal IP +// Check the settings with: http://net.ipcalf.com/ +// https://wiki.mozilla.org/Media/WebRTC/Privacy +pref("media.peerconnection.ice.default_address_only", true); // Firefox < 51 +pref("media.peerconnection.ice.no_host", true); // Firefox >= 51 +// Disable WebRTC entirely +pref("media.peerconnection.enabled", false); + +// getUserMedia +// https://wiki.mozilla.org/Media/getUserMedia +pref("media.getusermedia.screensharing.allowed_domains", ""); +pref("media.getusermedia.screensharing.enabled", false); +// https://developer.mozilla.org/en-US/docs/Web/API/Navigator +pref("media.navigator.enabled", false); +// https://developer.mozilla.org/en-US/docs/Web/API/BatteryManager +pref("dom.battery.enabled", false); +// https://wiki.mozilla.org/WebAPI/Security/WebTelephony +pref("dom.telephony.enabled", false); +// https://developer.mozilla.org/en-US/docs/Web/API/navigator.sendBeacon +pref("beacon.enabled", false); +// https://developer.mozilla.org/en-US/docs/Mozilla/Preferences/Preference_reference/dom.event.clipboardevents.enabled +pref("dom.event.clipboardevents.enabled", false); +// https://wiki.mozilla.org/Security/Reviews/Firefox/NavigationTimingAPI +pref("dom.enable_performance", false); +// https://wiki.mozilla.org/B2G/QA/WebAPI_Test_Plan/Vibration#API +pref("dom.vibrator.enabled", false); + +// Speech recognition +// https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html +// https://wiki.mozilla.org/HTML5_Speech_API +pref("media.webspeech.recognition.enable", false); +pref("media.webspeech.synth.enabled", false); + +// Disable getUserMedia screen sharing +// https://mozilla.github.io/webrtc-landing/gum_test.html +pref("media.getusermedia.screensharing.enabled", false); + +// Disable sensor API +// https://wiki.mozilla.org/Sensor_API +pref("device.sensors.enabled", false); + +// Disable MMS +pref("dom.mms.retrieval_mode", "never"); + +// http://kb.mozillazine.org/Browser.send_pings +pref("browser.send_pings", false); +// this shouldn't have any effect, since we block pings altogether, but we'll set it anyway. +// http://kb.mozillazine.org/Browser.send_pings.require_same_host +pref("browser.send_pings.require_same_host", true); + +// https://developer.mozilla.org/en-US/docs/IndexedDB +// https://wiki.mozilla.org/Security/Reviews/Firefox4/IndexedDB_Security_Review +// TODO: find out why html5test still reports this as available +// Note: Disabled, Can be enable if it breaks plugins/sites which require it. Privacy Risk. +// see: http://forums.mozillazine.org/viewtopic.php?p=13842047#p13842047 +pref("dom.indexedDB.enabled", false); + +// TODO: "Access Your Location" "Maintain Offline Storage" "Show Notifications" + +// Disable gamepad input +// http://www.w3.org/TR/gamepad/ +pref("dom.gamepad.enabled", false); + +// Disable virtual reality devices +// https://developer.mozilla.org/en-US/Firefox/Releases/36#Interfaces.2FAPIs.2FDOM +pref("dom.vr.enabled", false); +pref("dom.vr.cardboard.enabled", false); +pref("dom.vr.oculus.enabled", false); +pref("dom.vr.oculus050.enabled", false); +pref("dom.vr.poseprediction.enabled", false); +pref("dom.vr.add-test-devices", 0); + +// disable notifications +pref("dom.webnotifications.enabled", false); + +// HTML5 privacy https://bugzilla.mozilla.org/show_bug.cgi?id=500328 +pref("browser.history.allowPopState", false); +pref("browser.history.allowPushState", false); +pref("browser.history.allowReplaceState", false); +// Idle Observation +pref("dom.idle-observers-api.enabled", false); + +// Prevent Timing Attacks +// https://network23.org/inputisevil/2015/09/06/how-html5-apis-can-fingerprint-users/ +pref("dom.performance.enable_user_timing_logging", false); +pref("dom.enable_resource_timing", false); // Bug 13024 +pref("dom.enable_user_timing", false); // Bug 16336 +pref("dom.event.highrestimestamp.enabled", true); // Bug 17046: Don't leak system uptime in Events + +// disable webGL +// http://www.contextis.com/resources/blog/webgl-new-dimension-browser-exploitation/ +pref("webgl.disabled", true); +// https://bugzilla.mozilla.org/show_bug.cgi?id=1171228 +// https://developer.mozilla.org/en-US/docs/Web/API/WEBGL_debug_renderer_info +pref("webgl.enable-debug-renderer-info", false); +pref("webgl.disable-extensions", false); +pref("webgl.min_capability_mode", true); +// somewhat related... +pref("pdfjs.enableWebGL", false); + +/****************************************************************************** + * Misc * + * * + ******************************************************************************/ + + // Disable website autorefresh, user can still proceed with warning +pref("accessibility.blockautorefresh", true); +pref("browser.meta_refresh_when_inactive.disabled", true); +pref("noscript.forbidMetaRefresh", true); + + +// Disable face detection by default +pref("camera.control.face_detection.enabled", false); +pref("camera.control.autofocus_moving_callback.enabled", false); + +// Default search engine +//pref("browser.search.defaultenginename", "DuckDuckGo"); + +// http://kb.mozillazine.org/Clipboard.autocopy +pref("clipboard.autocopy", false); + +// Display an error message indicating the entered information is not a valid +// URL instead of asking from google. +// http://kb.mozillazine.org/Keyword.enabled#Caveats +pref("keyword.enabled", false); + +// Don't trim HTTP off of URLs in the address bar. +// https://bugzilla.mozilla.org/show_bug.cgi?id=665580 +pref("browser.urlbar.trimURLs", false); + +// Don't try to guess where i'm trying to go!!! e.g.: "http://foo" -> "http://(prefix)foo(suffix)" +// http://www-archive.mozilla.org/docs/end-user/domain-guessing.html +pref("browser.fixup.alternate.enabled", false); + +// Set TOR as default proxy +pref("network.proxy.socks", "127.0.0.1"); +pref("network.proxy.socks_port", 9050); +// Proxy off by default, user can toggle it on. +pref("network.proxy.type", 0); +// Protect TOR ports +pref("network.security.ports.banned", "9050,9051,9150,9151"); + +// https://trac.torproject.org/projects/tor/wiki/doc/TorifyHOWTO/WebBrowsers +pref("network.proxy.socks_remote_dns", true); + +// For fingerprinting and local service vulns (#10419) +pref("network.proxy.no_proxies_on", ""); + +// We not want to monitoring the connection state of users +// https://trac.torproject.org/projects/tor/ticket/18945 +pref("network.manage-offline-status", false); + +// Mixed content stuff +// https://developer.mozilla.org/en-US/docs/Site_Compatibility_for_Firefox_23#Non-SSL_contents_on_SSL_pages_are_blocked_by_default +// https://blog.mozilla.org/tanvi/2013/04/10/mixed-content-blocking-enabled-in-firefox-23/ +pref("security.mixed_content.block_active_content", true); +// Mixed Passive Content (a.k.a. Mixed Display Content). +pref("security.mixed_content.block_display_content", true); + +// https://secure.wikimedia.org/wikibooks/en/wiki/Grsecurity/Application-specific_Settings#Firefox_.28or_Iceweasel_in_Debian.29 +pref("javascript.options.methodjit.chrome", false); +pref("javascript.options.methodjit.content", false); + +// CIS Mozilla Firefox 24 ESR v1.0.0 - 3.7 Disable JAR from opening Unsafe File Types +// http://kb.mozillazine.org/Network.jar.open-unsafe-types +pref("network.jar.open-unsafe-types", false); +// https://bugzilla.mozilla.org/show_bug.cgi?id=1173171 +pref("network.jar.block-remote-files", true); + +// CIS 2.7.4 Disable Scripting of Plugins by JavaScript +pref("security.xpconnect.plugin.unrestricted", false); + +// CIS Mozilla Firefox 24 ESR v1.0.0 - 3.8 Set File URI Origin Policy +// http://kb.mozillazine.org/Security.fileuri.strict_origin_policy +pref("security.fileuri.strict_origin_policy", true); + +// CIS 2.3.6 Disable Displaying Javascript in History URLs +// http://kb.mozillazine.org/Browser.urlbar.filter.javascript +pref("browser.urlbar.filter.javascript", true); + +// 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 +pref("javascript.options.asmjs", false); +// https://hacks.mozilla.org/2016/03/a-webassembly-milestone/ +pref("javascript.options.wasm", false); +// https://trac.torproject.org/projects/tor/ticket/9387#comment:43 +pref("javascript.options.typeinference", false); +pref("javascript.options.baselinejit.content", false); +pref("javascript.options.ion.content", false); +// https://www.torproject.org/projects/torbrowser/design +pref("mathml.disabled", true); + +// https://wiki.mozilla.org/SVGOpenTypeFonts +// the iSEC Partners Report recommends to disable this +pref("gfx.font_rendering.opentype_svg.enabled", false); + +// Disable SVG +// Note: May only work in TBB due to upstream not implementing? +// https://trac.torproject.org/projects/tor/ticket/18770 +// https://bugzilla.mozilla.org/show_bug.cgi?id=1173199#c9 +pref("svg.in-content.enabled", false); + +// https://bugzil.la/654550 +// https://github.com/pyllyukko/user.js/issues/9#issuecomment-100468785 +// https://github.com/pyllyukko/user.js/issues/9#issuecomment-148922065 +pref("media.video_stats.enabled", false); + +// Don't reveal build ID +// Value taken from Tor Browser +// https://bugzil.la/583181 +pref("general.buildID.override", "20100101"); + +// Prevent font fingerprinting +// http://www.browserleaks.com/fonts +// https://github.com/pyllyukko/user.js/issues/120 +pref("browser.display.use_document_fonts", 0); + +// Prefer sans-serif +pref("font.default.x-western", "sans-serif"); + + +/****************************************************************************** + * extensions / plugins * + * * + ******************************************************************************/ + +// Require signatures +pref("xpinstall.signatures.required", true); + +// Opt-out of add-on metadata updates +// https://blog.mozilla.org/addons/how-to-opt-out-of-add-on-metadata-updates/ +pref("extensions.getAddons.cache.enabled", false); + +// Flash plugin state - never activate +pref("plugin.state.flash", 0); +pref("plugins.notifyMissingFlash", false); + +// Java plugin state - never activate +pref("plugin.state.java", 0); + +// disable Gnome Shell Integration +pref("plugin.state.libgnome-shell-browser-plugin", 0); + +// disable the bundled OpenH264 video codec +// http://forums.mozillazine.org/viewtopic.php?p=13845077&sid=28af2622e8bd8497b9113851676846b1#p13845077 +pref("media.gmp-provider.enabled", false); + +// https://wiki.mozilla.org/Firefox/Click_To_Play +// https://blog.mozilla.org/security/2012/10/11/click-to-play-plugins-blocklist-style/ +pref("plugins.click_to_play", true); + +// Updates addons automatically +// Disabled due to Fingerprinting, you can update addons manually. +// https://blog.mozilla.org/addons/how-to-turn-off-add-on-updates/ +pref("extensions.update.enabled", false); +pref("extensions.update.autoUpdateDefault", false); +// User can still update manually, but we disable background updates. +pref("extensions.update.background.url", ""); +// The system add-ons infrastructure that's used to ship Hello and Pocket in Firefox +pref("extensions.systemAddon.update.url", ""); +// We can update our themes manually, may fingerprint the user. +pref("lightweightThemes.update.enabled", false); + +// Only install extensions to user profile +// https://developer.mozilla.org/en-US/Add-ons/Installing_extensions +// https://mike.kaply.com/2012/02/21/understanding-add-on-scopes/ +pref("extensions.enabledScopes", 1); + +// http://kb.mozillazine.org/Extensions.blocklist.enabled +pref("extensions.blocklist.enabled", false); +pref("extensions.blocklist.detailsURL", "about:blank"); +pref("extensions.blocklist.itemURL", "about:blank"); +pref("extensions.blocklist.url", "about:blank"); +pref("extensions.getAddons.get.url", "about:blank"); +pref("extensions.getAddons.getWithPerformance.url", "about:blank"); +pref("extensions.getAddons.recommended.url", "about:blank"); +pref("services.settings.server", ""); +// If blocklist downloads, we want it to be signed. +pref("services.blocklist.signing.enforced", true); + +// Disable Freedom Violating DRM Feature +// https://bugzilla.mozilla.org/show_bug.cgi?id=1144903#c8 +pref("media.eme.apiVisible", false); +pref("media.eme.enabled", false); +pref("browser.eme.ui.enabled", false); +pref("media.gmp-eme-adobe.enabled", false); + +// Fingerprints the user, not HTTPS. Remove it. +pref("pfs.datasource.url", "about:blank"); +pref("pfs.filehint.url", "about:blank"); + +/****************************************************************************** + * firefox features / components * + * * + ******************************************************************************/ + +// WebIDE +// https://trac.torproject.org/projects/tor/ticket/16222 +pref("devtools.webide.enabled", false); +pref("devtools.webide.autoinstallADBHelper", false); +pref("devtools.webide.autoinstallFxdtAdapters", false); + +// disable remote debugging +// https://developer.mozilla.org/docs/Tools/Remote_Debugging/Debugging_Firefox_Desktop#Enable_remote_debugging +// https://developer.mozilla.org/en-US/docs/Tools/Tools_Toolbox#Advanced_settings +pref("devtools.debugger.remote-enabled", false); +// "to use developer tools in the context of the browser itself, and not only web content" +pref("devtools.chrome.enabled", false); +// https://developer.mozilla.org/en-US/docs/Tools/Remote_Debugging/Debugging_Firefox_Desktop#Firefox_37_onwards +pref("devtools.debugger.force-local", true); +pref("devtools.devices.url", "about:blank"); +pref("devtools.gcli.imgurUploadURL", "about:blank"); +pref("devtools.gcli.jquerySrc", "about:blank"); +pref("devtools.gcli.lodashSrc", "about:blank"); +pref("devtools.gcli.underscoreSrc", "about:blank"); +// http://forum.top-hat-sec.com/index.php?topic=4951.5;wap2 +pref("devtools.remote.wifi.scan", false); +pref("devtools.remote.wifi.visible", false); +pref("devtools.webide.adaptersAddonURL", "about:blank"); +pref("devtools.webide.adbAddonURL", "about:blank"); +pref("devtools.webide.addonsURL", "about:blank"); +//https://trac.torproject.org/projects/tor/ticket/16222 +pref("devtools.webide.enabled", false); +pref("devtools.webide.simulatorAddonsURL", "about:blank"); +pref("devtools.webide.templatesURL", "about:blank"); + +// https://wiki.mozilla.org/Platform/Features/Telemetry +// https://www.mozilla.org/en-US/legal/privacy/firefox.html#telemetry +// https://wiki.mozilla.org/Security/Reviews/Firefox6/ReviewNotes/telemetry +pref("toolkit.telemetry.enabled", false); +// https://gecko.readthedocs.org/en/latest/toolkit/components/telemetry/telemetry/preferences.html +pref("toolkit.telemetry.unified", false); +pref("toolkit.telemetry.server", "about:blank"); +pref("toolkit.telemetry.archive.enabled", false); +// https://wiki.mozilla.org/Telemetry/Experiments +pref("experiments.supported", false); +pref("experiments.enabled", false); +pref("experiments.manifest.uri", false); +// https://trac.torproject.org/projects/tor/ticket/13170 +pref("network.allow-experiments", false); + +// Disable the UITour backend so there is no chance that a remote page +// can use it to confuse Tor Browser users. +pref("browser.uitour.enabled", false); + +// https://wiki.mozilla.org/Security/Tracking_protection +// https://support.mozilla.org/en-US/kb/tracking-protection-firefox +pref("privacy.trackingprotection.enabled", true); +// https://support.mozilla.org/en-US/kb/tracking-protection-pbm +pref("privacy.trackingprotection.pbmode.enabled", true); + +// Third Party Isolation Enabled Always +// https://github.com/arthuredelstein/tor-browser/commit/b8da7721a9df4af1b595eb046e94280fe8e32d31 +pref("privacy.thirdparty.isolate", 2); + +// Resist fingerprinting via window.screen and CSS media queries and other techniques +// https://bugzil.la/418986 +// https://bugzil.la/1281949 +// https://bugzil.la/1281963 +pref("privacy.resistFingerprinting", true); + +// Disable the built-in PDF viewer (CVE-2015-2743) +// https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-2743 +pref("pdfjs.disabled", true); + +// Disable sending of the health report +// https://support.mozilla.org/en-US/kb/firefox-health-report-understand-your-browser-perf +pref("datareporting.healthreport.uploadEnabled", false); +// disable collection of the data (the healthreport.sqlite* files) +pref("datareporting.healthreport.service.enabled", false); +// https://gecko.readthedocs.org/en/latest/toolkit/components/telemetry/telemetry/preferences.html +pref("datareporting.policy.dataSubmissionEnabled", false); +pref("datareporting.healthreport.about.reportUrl", "about:blank"); +pref("datareporting.healthreport.documentServerURI", "about:blank"); +pref("datareporting.policy.firstRunTime", 0); + +// Disable new tab tile ads & preload +// http://www.thewindowsclub.com/disable-remove-ad-tiles-from-firefox +// http://forums.mozillazine.org/viewtopic.php?p=13876331#p13876331 +pref("browser.newtabpage.enhanced", false); +pref("browser.newtab.preload", false); +pref("browser.newtabpage.introShown", true); +// https://wiki.mozilla.org/Tiles/Technical_Documentation#Ping +// https://gecko.readthedocs.org/en/latest/browser/browser/DirectoryLinksProvider.html#browser-newtabpage-directory-ping +pref("browser.newtabpage.directory.ping", ""); +// https://gecko.readthedocs.org/en/latest/browser/browser/DirectoryLinksProvider.html#browser-newtabpage-directory-source +pref("browser.newtabpage.directory.source", "data:text/plain,{}"); + +// disable heartbeat +// https://wiki.mozilla.org/Advocacy/heartbeat +pref("browser.selfsupport.url", ""); + +// Disable firefox hello +// https://wiki.mozilla.org/Loop +//pref("loop.enabled", false); +// https://groups.google.com/d/topic/mozilla.dev.platform/nyVkCx-_sFw/discussion +pref("loop.logDomains", false); + +// Disable Crash Reporter (Massive browser fingerprinting) +pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false); +pref("browser.tabs.crashReporting.sendReport", false); +pref("breakpad.reportURL", "about:blank"); + +// Disable Slow Startup Notifications +pref("browser.slowStartup.maxSamples", 0); +pref("browser.slowStartup.notificationDisabled", true); +pref("browser.slowStartup.samples", 0); + +// CIS 2.1.1 Disable Auto Update / Balrog +pref("app.update.auto", false); +pref("app.update.checkInstallTime", false); +pref("app.update.enabled", false); +pref("app.update.staging.enabled", false); +pref("app.update.url", "about:blank"); +pref("media.gmp-manager.certs.1.commonName", ""); +pref("media.gmp-manager.certs.2.commonName", ""); + +// CIS 2.3.4 Block Reported Web Forgeries +// http://kb.mozillazine.org/Browser.safebrowsing.enabled +// http://kb.mozillazine.org/Safe_browsing +// https://support.mozilla.org/en-US/kb/how-does-phishing-and-malware-protection-work +// http://forums.mozillazine.org/viewtopic.php?f=39&t=2711237&p=12896849#p12896849 +pref("browser.safebrowsing.enabled", false); + +// CIS 2.3.5 Block Reported Attack Sites +// http://kb.mozillazine.org/Browser.safebrowsing.malware.enabled +pref("browser.safebrowsing.malware.enabled", false); + +// Disable safe browsing remote lookups for downloaded files. +// This leaks information to google. +// https://www.mozilla.org/en-US/firefox/39.0/releasenotes/ +// https://wiki.mozilla.org/Security/Application_Reputation +pref("browser.safebrowsing.downloads.remote.enabled", false); +pref("browser.safebrowsing.appRepURL", "about:blank"); +pref("browser.safebrowsing.provider.mozilla.gethashURL", "about:blank"); +pref("browser.safebrowsing.provider.mozilla.updateURL", "about:blank"); +pref("browser.safebrowsing.downloads.remote.block_dangerous", false); +pref("browser.safebrowsing.downloads.remote.block_dangerous_host", false); +pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false); +pref("browser.safebrowsing.downloads.remote.block_uncommon", false); +pref("browser.safebrowsing.downloads.remote.enabled", false); +pref("browser.safebrowsing.downloads.remote.url", ""); +pref("browser.safebrowsing.provider.google.gethashURL", ""); +pref("browser.safebrowsing.provider.google.updateURL", ""); +pref("browser.safebrowsing.provider.google.lists", ""); + +// Disable pocket +// https://support.mozilla.org/en-US/kb/save-web-pages-later-pocket-firefox +pref("browser.pocket.enabled", false); +// https://github.com/pyllyukko/user.js/issues/143 +pref("extensions.pocket.enabled", false); +pref("extensions.pocket.api", "about:blank"); +pref("extensions.pocket.enabled", false); +pref("browser.pocket.api", "about:blank"); +pref("browser.pocket.enabledLocales", "about:blank"); +pref("browser.pocket.oAuthConsumerKey", "about:blank"); +pref("browser.pocket.site", "about:blank"); +pref("browser.pocket.useLocaleList", false); +pref("browser.toolbarbuttons.introduced.pocket-button", true); + +// Disable Hello (Soon to be removed upstream finally!) +pref("loop.copy.throttler", "about:blank"); +pref("loop.enabled",false); +pref("loop.facebook.appId", "about:blank"); +pref("loop.facebook.enabled", false); +pref("loop.facebook.fallbackUrl", "about:blank"); +pref("loop.facebook.shareUrl", "about:blank"); +pref("loop.feedback.baseUrl", "about:blank"); +pref("loop.feedback.formURL", "about:blank"); +pref("loop.feedback.manualFormURL", "about:blank"); +pref("loop.gettingStarted.url", "about:blank"); +pref("loop.learnMoreUrl", "about:blank"); +pref("loop.legal.ToS_url", "about:blank"); +pref("loop.legal.privacy_url", "about:blank"); +pref("loop.linkClicker.url", "about:blank"); +pref("loop.oauth.google.redirect_uri", "about:blank"); +pref("loop.oauth.google.scope", "about:blank"); +pref("loop.remote.autostart", false); +pref("loop.server", "about:blank"); +pref("loop.soft_start_hostname", "about:blank"); +pref("loop.support_url", "about:blank"); +pref("loop.throttled2", false); + +// Disable Social +pref("social.directories", ""); +pref("social.enabled", false); +// remote-install allows any website to activate a provider, with extended UI +pref("social.remote-install.enabled", false); +pref("social.shareDirectory", ""); +pref("social.toast-notifications.enabled", false); +pref("social.whitelist", ""); + +// Disable Snippets +pref("browser.snippets.enabled", false); +pref("browser.snippets.geoUrl", "about:blank"); +pref("browser.snippets.statsUrl", "about:blank"); +pref("browser.snippets.syncPromo.enabled", false); +pref("browser.snippets.updateUrl", "about:blank"); + +// Disable WAN IP leaks +pref("captivedetect.canonicalURL", "about:blank"); +pref("noscript.ABE.wanIpAsLocal", false); + +// Disable Default Protocol Handlers, always warn user instead +pref("network.protocol-handler.external-default", false); +pref("network.protocol-handler.external.mailto", false); +pref("network.protocol-handler.external.news", false); +pref("network.protocol-handler.external.nntp", false); +pref("network.protocol-handler.external.snews", false); +pref("network.protocol-handler.warn-external.mailto", true); +pref("network.protocol-handler.warn-external.news", true); +pref("network.protocol-handler.warn-external.nntp", true); +pref("network.protocol-handler.warn-external.snews", true); + +// Disable Sync +pref("services.sync.engine.addons", false); +// Never sync prefs, addons, or tabs with other browsers +pref("services.sync.engine.prefs", false); +pref("services.sync.engine.tabs", false); +pref("services.sync.prefs.sync.addons.ignoreUserEnabledChanges", false); +pref("services.sync.prefs.sync.extensions.update.enabled", false); +pref("services.sync.serverURL", "about:blank"); +pref("services.sync.jpake.serverURL", "about:blank"); +// Disable Failed Sync Logs since we killed sync. +pref("services.sync.log.appender.file.logOnError", false); + +/****************************************************************************** + * automatic connections * + * * + ******************************************************************************/ + +// Disable link prefetching +// http://kb.mozillazine.org/Network.prefetch-next +// https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ#Is_there_a_preference_to_disable_link_prefetching.3F +pref("network.prefetch-next", false); + +// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_geolocation-for-default-search-engine +pref("browser.search.geoip.url", ""); +pref("browser.search.geoSpecificDefaults.url", "about:blank"); +pref("browser.search.geoSpecificDefaults", false); +pref("browser.search.geoip.url", "about:blank"); + +// http://kb.mozillazine.org/Network.dns.disablePrefetch +// https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching +pref("network.dns.disablePrefetch", true); +pref("network.dns.disablePrefetchFromHTTPS", true); + +// https://bugzilla.mozilla.org/show_bug.cgi?id=1228457 +pref("network.dns.blockDotOnion", true); + +// https://wiki.mozilla.org/Privacy/Reviews/Necko +pref("network.predictor.enabled", false); +// https://wiki.mozilla.org/Privacy/Reviews/Necko#Principle:_Real_Choice +pref("network.seer.enabled", false); + +// http://kb.mozillazine.org/Browser.search.suggest.enabled +pref("browser.search.suggest.enabled", false); +// Disable "Show search suggestions in location bar results" +pref("browser.urlbar.suggest.searches", false); + +// Disable SSDP +// https://bugzil.la/1111967 +pref("browser.casting.enabled", false); + +// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_media-capabilities +// http://andreasgal.com/2014/10/14/openh264-now-in-firefox/ +pref("media.gmp-gmpopenh264.enabled", false); +// Disable Gecko media plugins: https://wiki.mozilla.org/GeckoMediaPlugins +pref("media.gmp-manager.url", ""); +pref("media.gmp-manager.url.override", "data:text/plain"); +pref("media.gmp.trial-create.enabled", false); + +// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_speculative-pre-connections +// https://bugzil.la/814169 +pref("network.http.speculative-parallel-limit", 0); + +// https://github.com/arthuredelstein/tor-browser/blob/tbb-esr31.1.1/browser/app/profile/000-tor-browser.js +pref("network.http.pipelining", true); +pref("network.http.pipelining.aggressive", true); +pref("network.http.pipelining.maxrequests", 12); +pref("network.http.pipelining.ssl", true); +pref("network.http.proxy.pipelining", true); +pref("security.ssl.enable_false_start", true); +pref("network.http.keep-alive.timeout", 20); +pref("network.http.connection-retry-timeout", 0); +pref("network.http.max-persistent-connections-per-proxy", 256); +pref("network.http.pipelining.reschedule-timeout", 15000); +pref("network.http.pipelining.read-timeout", 60000); +pref("network.http.pipelining.max-optimistic-requests", 3); +pref("network.http.spdy.enabled", false); // Stores state and may have keepalive issues (both fixable) +pref("network.http.spdy.enabled.v2", false); // Seems redundant, but just in case +pref("network.http.spdy.enabled.v3", false); // Seems redundant, but just in case + +// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_mozilla-content +pref("browser.aboutHomeSnippets.updateUrl", ""); + +// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_auto-update-checking +pref("browser.search.update", false); + +//Disable Link to FireFox Marketplace, currently loaded with non-free "apps" +pref("browser.apps.URL", ""); +pref("browser.webapps.checkForUpdates", 0); +pref("browser.webapps.updateCheckUrl", "about:blank"); +pref("dom.mozApps.signed_apps_installable_from", ""); + +// Disable Favicon lookups +// http://kb.mozillazine.org/Browser.chrome.favicons +// pref("browser.chrome.favicons", false); +// pref("browser.chrome.site_icons", false); + +/****************************************************************************** + * HTTP * + * * + ******************************************************************************/ + +// 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); + +// https://bugzilla.mozilla.org/show_bug.cgi?id=855326 +pref("security.csp.experimentalEnabled", true); + +// CSP https://developer.mozilla.org/en-US/docs/Web/Security/CSP/Introducing_Content_Security_Policy +pref("security.csp.enable", true); + +// 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); + +// DNT HTTP header +// http://dnt.mozilla.org/ +// https://en.wikipedia.org/wiki/Do_not_track_header +// https://dnt-dashboard.mozilla.org +// https://github.com/pyllyukko/user.js/issues/11 +// http://www.howtogeek.com/126705/why-enabling-do-not-track-doesnt-stop-you-from-being-tracked/ +//pref("privacy.donottrackheader.enabled", true); + +// Disable HTTP Alternative Services header +// https://trac.torproject.org/projects/tor/ticket/16673 +pref("network.http.altsvc.enabled", false); +pref("network.http.altsvc.oe", false); + +// http://kb.mozillazine.org/Network.http.sendRefererHeader#0 +// https://bugzilla.mozilla.org/show_bug.cgi?id=822869 +// Send a referer header with the target URI as the source +//pref("network.http.sendRefererHeader", 1); +pref("network.http.referer.spoofSource", true); + +// CIS 2.5.1 Accept Only 1st Party Cookies +// http://kb.mozillazine.org/Network.cookie.cookieBehavior#1 +// This breaks a number of payment gateways so you may need to comment it out. +pref("network.cookie.cookieBehavior", 1); +// Make sure that third-party cookies (if enabled) never persist beyond the session. +// https://feeding.cloud.geek.nz/posts/tweaking-cookies-for-privacy-in-firefox/ +// http://kb.mozillazine.org/Network.cookie.thirdparty.sessionOnly +// https://developer.mozilla.org/en-US/docs/Cookies_Preferences_in_Mozilla#network.cookie.thirdparty.sessionOnly +pref("network.cookie.thirdparty.sessionOnly", true); + +// user-agent +//pref("general.useragent.override", "Mozilla/5.0 (Windows NT 6.1; rv:31.0) Gecko/20100101 Firefox/31.0"); + +/****************************************************************************** + * Caching * + * * + ******************************************************************************/ + + // Prevents the Permissions manager from writing to disk (regardless of whether we are in PBM) + // https://bugzilla.mozilla.org/show_bug.cgi?id=967812#c9 + pref("permissions.memory_only", true); + + // Ensures the intermediate certificate store is memory only. + // Note: Conflicts with old HTTP Basic Authentication + // https://bugzilla.mozilla.org/show_bug.cgi?id=1216882#c0 + pref("security.nocertdb", true); + +// http://kb.mozillazine.org/Browser.sessionstore.postdata +// NOTE: relates to CIS 2.5.7 +pref("browser.sessionstore.postdata", 0); +// http://kb.mozillazine.org/Browser.sessionstore.enabled +pref("browser.sessionstore.enabled", false); + +// http://kb.mozillazine.org/Browser.cache.offline.enable +pref("browser.cache.offline.enable", false); + +// Always use private browsing +// https://support.mozilla.org/en-US/kb/Private-Browsing +// https://wiki.mozilla.org/PrivateBrowsing +// pref("browser.privatebrowsing.autostart", true); +pref("extensions.ghostery.privateBrowsing", true); + +// Clear history when Firefox closes +// https://support.mozilla.org/en-US/kb/Clear%20Recent%20History#w_how-do-i-make-firefox-clear-my-history-automatically +pref("privacy.sanitize.sanitizeOnShutdown", true); +pref("privacy.clearOnShutdown.cache", true); +pref("privacy.clearOnShutdown.cookies", true); +pref("privacy.clearOnShutdown.downloads", true); +pref("privacy.clearOnShutdown.formdata", true); +pref("privacy.clearOnShutdown.history", true); +pref("privacy.clearOnShutdown.offlineApps", true); +pref("privacy.clearOnShutdown.passwords", true); +pref("privacy.clearOnShutdown.sessions", true); +//pref("privacy.clearOnShutdown.siteSettings", false); + +// Firefox will store small amounts (less than 50 MB) of data without asking for permission, unless this is set to false +// https://support.mozilla.org/en-US/questions/1014708 +pref("offline-apps.allow_by_default", false); + +// don't remember browsing history +pref("places.history.enabled", false); + +// The cookie expires at the end of the session (when the browser closes). +// http://kb.mozillazine.org/Network.cookie.lifetimePolicy#2 +pref("network.cookie.lifetimePolicy", 2); + +// http://kb.mozillazine.org/Browser.cache.disk.enable +pref("browser.cache.disk.enable", false); + +// http://kb.mozillazine.org/Browser.cache.memory.enable +//pref("browser.cache.memory.enable", false); + +// CIS Version 1.2.0 October 21st, 2011 2.5.8 Disable Caching of SSL Pages +// http://kb.mozillazine.org/Browser.cache.disk_cache_ssl +pref("browser.cache.disk_cache_ssl", false); + +// CIS Version 1.2.0 October 21st, 2011 2.5.2 Disallow Credential Storage +pref("signon.rememberSignons", false); + +// CIS Version 1.2.0 October 21st, 2011 2.5.5 Delete Download History +// Zero (0) is an indication that no download history is retained for the current profile. +pref("browser.download.manager.retention", 0); + +// CIS Version 1.2.0 October 21st, 2011 2.5.6 Delete Search and Form History +pref("browser.formfill.enable", false); +pref("browser.formfill.expire_days", 0); + +// CIS Version 1.2.0 October 21st, 2011 2.5.7 Clear SSL Form Session Data +// http://kb.mozillazine.org/Browser.sessionstore.privacy_level#2 +// Store extra session data for unencrypted (non-HTTPS) sites only. +// NOTE: CIS says 1, we use 2 +pref("browser.sessionstore.privacy_level", 2); + +// https://bugzil.la/238789#c19 +pref("browser.helperApps.deleteTempFileOnExit", true); + +// Disable the media cache, prvents HTML5 videos from being written to the OS temporary directory +// https://www.torproject.org/projects/torbrowser/design/ +pref("media.cache_size", 0); + +// https://support.mozilla.org/en-US/questions/973320 +// https://developer.mozilla.org/en-US/docs/Mozilla/Preferences/Preference_reference/browser.pagethumbnails.capturing_disabled +pref("browser.pagethumbnails.capturing_disabled", true); + +/****************************************************************************** + * UI related * + * * + ******************************************************************************/ + +// Webpages will not be able to affect the right-click menu +//pref("dom.event.contextmenu.enabled", false); + +// Don't promote sync +pref("browser.syncPromoViewsLeftMap", "{\"addons\":0, \"passwords\":0, \"bookmarks\":0}"); + +// CIS 2.3.2 Disable Downloading on Desktop +pref("browser.download.folderList", 2); + +// always ask the user where to download +// https://developer.mozilla.org/en/Download_Manager_preferences +pref("browser.download.useDownloadDir", false); + +// https://wiki.mozilla.org/Privacy/Reviews/New_Tab +pref("browser.newtabpage.enabled", false); +// 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"); + +// CIS Version 1.2.0 October 21st, 2011 2.1.2 Enable Auto Notification of Outdated Plugins +// https://wiki.mozilla.org/Firefox3.6/Plugin_Update_Awareness_Security_Review +// Note: Disabled, we get plugin updates from repository. +//pref("plugins.update.notifyUser", true); + +// CIS Version 1.2.0 October 21st, 2011 2.1.3 Enable Information Bar for Outdated Plugins +pref("plugins.hide_infobar_for_outdated_plugin", false); + +// CIS Mozilla Firefox 24 ESR v1.0.0 - 3.6 Enable IDN Show Punycode +// http://kb.mozillazine.org/Network.IDN_show_punycode +pref("network.IDN_show_punycode", true); + +// http://kb.mozillazine.org/About:config_entries#Browser +// http://kb.mozillazine.org/Inline_autocomplete +pref("browser.urlbar.autoFill", false); +pref("browser.urlbar.autoFill.typed", false); + +// http://www.labnol.org/software/browsers/prevent-firefox-showing-bookmarks-address-location-bar/3636/ +// http://kb.mozillazine.org/Browser.urlbar.maxRichResults +// "Setting the preference to 0 effectively disables the Location Bar dropdown entirely." +pref("browser.urlbar.maxRichResults", 0); + +// https://blog.mozilla.org/security/2010/03/31/plugging-the-css-history-leak/ +// http://dbaron.org/mozilla/visited-privacy +pref("layout.css.visited_links_enabled", false); + +// http://kb.mozillazine.org/Places.frecency.unvisited%28place_type%29Bonus + +// http://kb.mozillazine.org/Disabling_autocomplete_-_Firefox#Firefox_3.5 +pref("browser.urlbar.autocomplete.enabled", false); + +// http://kb.mozillazine.org/Signon.autofillForms +// https://www.torproject.org/projects/torbrowser/design/#identifier-linkability +pref("signon.autofillForms", false); + +// do not check if firefox is the default browser +pref("browser.shell.checkDefaultBrowser", false); + +// CIS Version 1.2.0 October 21st, 2011 2.5.3 Disable Prompting for Credential Storage +pref("security.ask_for_password", 0); + +// Bug 9881: Open popups in new tabs (to avoid fullscreen popups) +pref("browser.link.open_newwindow.restriction", 0); + +// Enable Insecure login field contextual warning +// https://bugzilla.mozilla.org/show_bug.cgi?id=1217162 +pref("security.insecure_field_warning.contextual.enabled", true); + +/****************************************************************************** + * TLS / HTTPS / OCSP related stuff * + * * + ******************************************************************************/ + +// https://blog.mozilla.org/security/2012/11/01/preloading-hsts/ +// https://wiki.mozilla.org/Privacy/Features/HSTS_Preload_List +pref("network.stricttransportsecurity.preloadlist", false); + +// CIS Version 1.2.0 October 21st, 2011 2.2.4 Enable Online Certificate Status Protocol +// https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol#Privacy_concerns +pref("security.OCSP.enabled", 0); +pref("security.OCSP.require", false); + +// https://blog.mozilla.org/security/2013/07/29/ocsp-stapling-in-firefox/ +pref("security.ssl.enable_ocsp_stapling", true); + +// require certificate revocation check through OCSP protocol. +// NOTICE: this leaks information about the sites you visit to the CA. +pref("security.OCSP.require", true); + +// https://www.blackhat.com/us-13/briefings.html#NextGen +// https://media.blackhat.com/us-13/US-13-Daigniere-TLS-Secrets-Slides.pdf +// https://media.blackhat.com/us-13/US-13-Daigniere-TLS-Secrets-WP.pdf +// https://bugzil.la/917049 +// https://bugzil.la/967977 +pref("security.ssl.disable_session_identifiers", true); +// https://www.torproject.org/projects/torbrowser/design/index.html.en +pref("security.ssl.enable_false_start", true); +pref("security.enable_tls_session_tickets", false); + +// TLS 1.[012] +// http://kb.mozillazine.org/Security.tls.version.max +// 1 = TLS 1.0 is the minimum required / maximum supported encryption protocol. (This is the current default for the maximum supported version.) +// 2 = TLS 1.1 is the minimum required / maximum supported encryption protocol. +pref("security.tls.version.min", 1); +pref("security.tls.version.max", 3); + +// pinning +// https://wiki.mozilla.org/SecurityEngineering/Public_Key_Pinning#How_to_use_pinning +// "2. Strict. Pinning is always enforced." +pref("security.cert_pinning.enforcement_level", 2); + +// disallow SHA-1 +// https://bugzilla.mozilla.org/show_bug.cgi?id=1302140 +//pref("security.pki.sha1_enforcement_level", 1); + +// https://wiki.mozilla.org/Security:Renegotiation#security.ssl.treat_unsafe_negotiation_as_broken +// see also CVE-2009-3555 +pref("security.ssl.treat_unsafe_negotiation_as_broken", true); + +// https://wiki.mozilla.org/Security:Renegotiation#security.ssl.require_safe_negotiation +// this makes browsing next to impossible=) (13.2.2012) +// update: the world is not ready for this! (6.5.2014) +// see also CVE-2009-3555 +// The world must comply with this! (11.20.2016) +pref("security.ssl.require_safe_negotiation", true); + +// https://support.mozilla.org/en-US/kb/certificate-pinning-reports +// +// we could also disable security.ssl.errorReporting.enabled, but I think it's +// good to leave the option to report potentially malicious sites if the user +// chooses to do so. +// +// you can test this at https://pinningtest.appspot.com/ +pref("security.ssl.errorReporting.automatic", false); + +// http://kb.mozillazine.org/Browser.ssl_override_behavior +// Pre-populate the current URL but do not pre-fetch the certificate. +pref("browser.ssl_override_behavior", 1); + +/****************************************************************************** + * CIPHERS * + * * + * you can debug the SSL handshake with tshark: * + * tshark -t ad -n -i wlan0 -T text -V -R ssl.handshake * + ******************************************************************************/ + +// 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); + +// SEED +// https://en.wikipedia.org/wiki/SEED +pref("security.ssl3.rsa_seed_sha", false); + +// 40 bits... +pref("security.ssl3.rsa_rc4_40_md5", false); +pref("security.ssl3.rsa_rc2_40_md5", false); + +// 56 bits +pref("security.ssl3.rsa_1024_rc4_56_sha", false); + +// 128 bits +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); + +// RC4 (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); +// https://developer.mozilla.org/en-US/Firefox/Releases/38#Security +// https://bugzil.la/1138882 +// https://rc4.io/ +pref("security.tls.unrestricted_rc4_fallback", false); + +// 3DES -> false because 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 +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); + +// Ciphers with ECDH (without /e$/) +pref("security.ssl3.ecdh_rsa_aes_256_sha", false); +pref("security.ssl3.ecdh_ecdsa_aes_256_sha", false); + +// 256 bits without PFS +pref("security.ssl3.rsa_camellia_256_sha", false); + +// Ciphers with ECDHE and > 128bits +pref("security.ssl3.ecdhe_rsa_aes_256_sha", true); +pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", true); + +// GCM, yes please! +pref("security.ssl3.ecdhe_ecdsa_aes_128_gcm_sha256", true); +pref("security.ssl3.ecdhe_rsa_aes_128_gcm_sha256", true); + +// ChaCha20 and Poly1305. Supported since Firefox 47. +// https://www.mozilla.org/en-US/firefox/47.0/releasenotes/ +// https://tools.ietf.org/html/rfc7905 +// https://bugzil.la/917571 +// https://bugzil.la/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); + +// 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); + +// 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); + +// Fallbacks due compatibility reasons +pref("security.ssl3.rsa_aes_256_sha", true); +pref("security.ssl3.rsa_aes_128_sha", true); + +// Disable static TLS insecure fallback whitelist +// https://bugzilla.mozilla.org/show_bug.cgi?id=1128227 +pref("security.tls.insecure_fallback_hosts.use_static_list", false); |