// Use LANG environment variable to choose locale pref("intl.locale.matchOS", true); // Disable default browser checking. pref("browser.shell.checkDefaultBrowser", false); // Don't disable our bundled extensions in the application directory pref("extensions.autoDisableScopes", 11); pref("extensions.shownSelectionUI", true); // Opt all of us into e10s, instead of just 50% pref("browser.tabs.remote.autostart", true); // Disable "alt" as a shortcut key to open full menu bar. Conflicts with "alt" as a modifier pref("ui.key.menuAccessKeyFocuses", false); // Disable the GeoLocation API for content pref("geo.enabled", false); // Make sure that the request URL of the GeoLocation backend is empty pref("geo.wifi.uri", ""); // Disable Freedom Violating DRM Feature pref("browser.eme.ui.enabled", false); // EME pref("media.eme.enabled", false); pref("media.eme.apiVisible", false); // Google Widevine DRM // https://blog.mozilla.org/futurereleases/2016/04/08/mozilla-to-test-widevine-cdm-in-firefox-nightly/ // https://wiki.mozilla.org/QA/Widevine_CDM // https://bugzilla.mozilla.org/show_bug.cgi?id=1288580 pref("media.gmp-widevinecdm.visible", false); pref("media.gmp-widevinecdm.enabled", false); pref("media.gmp-widevinecdm.autoupdate", false); // Default to classic view for about:newtab pref("browser.newtabpage.enhanced", false); // Poodle attack pref("security.tls.version.min", 1); // Don't call home for blacklisting pref("extensions.blocklist.enabled", false); // Disable plugin installer pref("plugins.hide_infobar_for_missing_plugin", true); pref("plugins.hide_infobar_for_outdated_plugin", true); pref("plugins.notifyMissingFlash", false); //https://developer.mozilla.org/en-US/docs/Web/API/MediaSource //pref("media.mediasource.enabled",true); // Speeding it up pref("network.http.pipelining", true); pref("network.http.proxy.pipelining", true); pref("network.http.pipelining.maxrequests", 10); pref("nglayout.initialpaint.delay", 0); // Disable third party cookies pref("network.cookie.cookieBehavior", 1); // Prevent EULA dialog to popup on first run pref("browser.EULA.override", true); // Set useragent to Firefox compatible //pref("general.useragent.compatMode.firefox", true); // Spoof the useragent to a generic one pref("general.useragent.compatMode.firefox", true); // Spoof the useragent to a generic one pref("general.useragent.override", "Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0"); pref("general.appname.override", "Netscape"); pref("general.appversion.override", "52.0"); pref("general.buildID.override", "Gecko/20100101"); pref("general.oscpu.override", "Windows NT 6.1"); pref("general.platform.override", "Win32"); // Privacy & Freedom Issues // https://webdevelopmentaid.wordpress.com/2013/10/21/customize-privacy-settings-in-mozilla-firefox-part-1-aboutconfig/ // https://panopticlick.eff.org // http://ip-check.info // http://browserspy.dk // https://wiki.mozilla.org/Fingerprinting // http://www.browserleaks.com // http://fingerprint.pet-portal.eu pref("privacy.donottrackheader.enabled", true); pref("privacy.donottrackheader.value", 1); pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false); pref("browser.safebrowsing.enabled", false); pref("browser.safebrowsing.malware.enabled", false); //pref("services.sync.privacyURL", "https://www.gnu.org/software/gnuzilla/"); pref("social.enabled", false); pref("social.remote-install.enabled", false); pref("datareporting.healthreport.uploadEnabled", false); pref("datareporting.healthreport.about.reportUrl", "127.0.0.1"); pref("datareporting.healthreport.documentServerURI", "127.0.0.1"); pref("healthreport.uploadEnabled", false); pref("social.toast-notifications.enabled", false); pref("datareporting.policy.dataSubmissionEnabled", false); pref("datareporting.healthreport.service.enabled", false); pref("browser.slowStartup.notificationDisabled", true); pref("network.http.sendRefererHeader", 2); //pref("network.http.referer.spoofSource", true); //http://grack.com/blog/2010/01/06/3rd-party-cookies-dom-storage-and-privacy/ //pref("dom.storage.enabled", false); pref("dom.event.clipboardevents.enabled",false); pref("network.prefetch-next", false); pref("network.dns.disablePrefetch", true); pref("network.http.sendSecureXSiteReferrer", false); pref("toolkit.telemetry.enabled", false); pref("toolkit.telemetry.unified", false); // Do not tell what plugins do we have enabled: https://mail.mozilla.org/pipermail/firefox-dev/2013-November/001186.html pref("plugins.enumerable_names", ""); pref("plugin.state.flash", 0); // Do not autoupdate search engines pref("browser.search.update", false); // Warn when the page tries to redirect or refresh //pref("accessibility.blockautorefresh", true); pref("dom.battery.enabled", false); pref("device.sensors.enabled", false); pref("camera.control.face_detection.enabled", false); pref("camera.control.autofocus_moving_callback.enabled", false); pref("network.http.speculative-parallel-limit", 0); // No search suggestions pref("browser.urlbar.userMadeSearchSuggestionsChoice", true); pref("browser.search.suggest.enabled", false); // Crypto hardening // https://gist.github.com/haasn/69e19fc2fe0e25f3cff5 // General settings //pref("security.tls.unrestricted_rc4_fallback", false); //pref("security.tls.insecure_fallback_hosts.use_static_list", false); //pref("security.tls.version.min", 1); //pref("security.ssl.require_safe_negotiation", true); //pref("security.ssl.treat_unsafe_negotiation_as_broken", true); //pref("security.ssl3.rsa_seed_sha", true); //pref("security.OCSP.enabled", 1); //pref("security.OCSP.require", true); // Disable channel updates pref("app.update.enabled", false); pref("app.update.auto", false); // WebRTC pref("media.peerconnection.enabled", false); pref("media.peerconnection.ice.default_address_only", true); pref("font.default.x-western", "sans-serif"); // Preferences for the Get Add-ons panel and search engines pref ("extensions.webservice.discoverURL", "https://directory.fsf.org/wiki/GNU_IceCat"); pref ("extensions.getAddons.search.url", "https://directory.fsf.org/wiki/GNU_IceCat"); pref ("browser.search.searchEnginesURL", "https://directory.fsf.org/wiki/GNU_IceCat"); // Mobile pref("privacy.announcements.enabled", false); pref("browser.snippets.enabled", false); pref("browser.snippets.syncPromo.enabled", false); pref("identity.mobilepromo.android", "https://f-droid.org/repository/browse/?fdid=org.gnu.icecat&"); pref("browser.snippets.geoUrl", "http://127.0.0.1/"); pref("browser.snippets.updateUrl", "http://127.0.0.1/"); pref("browser.snippets.statsUrl", "http://127.0.0.1/"); pref("datareporting.policy.firstRunTime", 0); pref("datareporting.policy.dataSubmissionPolicyVersion", 2); pref("browser.webapps.checkForUpdates", 0); pref("browser.webapps.updateCheckUrl", "http://127.0.0.1/"); pref("app.faqURL", "http://libreplanet.org/wiki/Group:IceCat/FAQ"); // PFS url pref("pfs.datasource.url", "http://gnuzilla.gnu.org/plugins/PluginFinderService.php?mimetype=%PLUGIN_MIMETYPE%"); pref("pfs.filehint.url", "http://gnuzilla.gnu.org/plugins/PluginFinderService.php?mimetype=%PLUGIN_MIMETYPE%"); // Geolocation depends on third party services pref("geo.enabled", false); pref("geo.wifi.uri", ""); // Disable Gecko media plugins: https://wiki.mozilla.org/GeckoMediaPlugins pref("media.gmp-manager.url", "http://127.0.0.1/"); pref("media.gmp-manager.url.override", "data:text/plain,"); pref("media.gmp-provider.enabled", false); // Don't install openh264 codec pref("media.gmp-gmpopenh264.enabled", false); pref("media.gmp-eme-adobe.enabled", false); pref("media.peerconnection.video.h264_enabled", false); // Disable heartbeat pref("browser.selfsupport.url", ""); // Disable Link to FireFox Marketplace, currently loaded with non-free "apps" pref("browser.apps.URL", ""); // Use old style preferences, that allow javascript to be disabled pref("browser.preferences.inContent",false); // Don't download ads for the newtab page pref("browser.newtabpage.directory.source", ""); pref("browser.newtabpage.directory.ping", ""); pref("browser.newtabpage.introShown", true); // Disable home snippets pref("browser.aboutHomeSnippets.updateUrl", "data:text/html"); // Disable hardware acceleration and WebGL //pref("layers.acceleration.disabled", false); pref("webgl.disabled", false); // Disable SSDP pref("browser.casting.enabled", false); // Disable directory service pref("social.directories", ""); pref("social.whitelist", ""); pref("social.shareDirectory", ""); // Disable Pocket integration pref("browser.pocket.api", "about:blank"); pref("browser.pocket.enabled", false); pref("browser.pocket.enabledLocales", "about:blank"); pref("browser.pocket.oAuthConsumerKey", "about:blank"); pref("browser.pocket.site", "about:blank"); pref("browser.pocket.useLocaleList", false); pref("extensions.pocket.enabled", false); // Do not require xpi extensions to be signed by Mozilla pref("xpinstall.signatures.required", false); // Disable Barlog pref("app.update.url", "about:blank"); // Disable File and Directory Entries API (Imported from Edge/Chromium) // https://developer.mozilla.org/en-US/Firefox/Releases/50#Files_and_directories // https://developer.mozilla.org/en-US/docs/Web/API/File_and_Directory_Entries_API // https://developer.mozilla.org/en-US/docs/Web/API/File_and_Directory_Entries_API/Introduction // https://developer.mozilla.org/en-US/docs/Web/API/File_and_Directory_Entries_API/Firefox_support // https://bugzilla.mozilla.org/show_bug.cgi?id=1265767 pref("dom.webkitBlink.filesystem.enabled", false); // https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/webkitdirectory // https://bugzilla.mozilla.org/show_bug.cgi?id=1258489 // https://hg.mozilla.org/releases/mozilla-release/rev/133af19777be pref("dom.webkitBlink.dirPicker.enabled", false); // Directory Upload API, webkitdirectory // https://bugzilla.mozilla.org/show_bug.cgi?id=1188880 // https://bugzilla.mozilla.org/show_bug.cgi?id=907707 // https://wicg.github.io/directory-upload/proposal.html pref("dom.input.dirpicker", false);