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+/******************************************************************************
+ * 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);