user.js

user_pref("beacon.enabled", false);
user_pref("storage.vacuum.last.index", 0);
user_pref("storage.vacuum.last.places.sqlite", 1514640880);
user_pref("toolkit.startup.last_success", 1514653048);
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.bhrPing.enabled", false);
user_pref("toolkit.telemetry.cachedClientID", "b4c2e623-fe0c-894f-9bf6-2e2089f07e78");
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
user_pref("toolkit.telemetry.newProfilePing.enabled", false);
user_pref("toolkit.telemetry.previousBuildID", "20171230100110");
user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
user_pref("toolkit.telemetry.server", "");
user_pref("toolkit.telemetry.server_owner", "");
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
user_pref("toolkit.telemetry.shutdownPingSender.enabledFirstSession", true);
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.telemetry.updatePing.enabled", false);
user_pref("webgl.disabled", true);

user_pref("social.directories", "");
user_pref("social.remote-install.enabled", false);
user_pref("social.toast-notifications.enabled", false);
user_pref("social.whitelist", "");

user_pref("services.sync.globalScore", 0);
user_pref("services.sync.nextSync", 0);
user_pref("services.sync.tabs.lastSync", "0");
user_pref("services.sync.tabs.lastSyncLocal", "0");
user_pref("services.sync.clients.lastSync", "0");
user_pref("services.sync.clients.lastSyncLocal", "0");
user_pref("services.sync.declinedEngines", "");
user_pref("services.sync.engine.addresses.available", true);
user_pref("services.sync.engine.creditcards.available", true);

user_pref("network.cookie.cookieBehavior", 1);
user_pref("network.cookie.prefsMigrated", true);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.http.referer.XOriginPolicy", 2);
user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
user_pref("network.http.referer.spoofSource", true);
user_pref("network.http.referer.trimmingPolicy", 2);
user_pref("network.http.sendRefererHeader", 0);
user_pref("network.http.speculative-parallel-limit", 0);
user_pref("network.predictor.enabled", false);
user_pref("network.prefetch-next", false);

user_pref("media.navigator.enabled", false);
user_pref("media.peerconnection.enabled", false);
user_pref("media.peerconnection.ice.proxy_only", true);

user_pref("media.eme.enabled", false);

user_pref("geo.enabled", false);
user_pref("general.warnOnAboutConfig", false);

user_pref("dom.battery.enabled", false);
user_pref("dom.event.clipboardevents.enabled", false);
user_pref("browser.ctrlTab.previews", true);

user_pref("extensions.pocket.enabled",false);
user_pref("camera.control.face_detection.enabled",false)



user_pref("security.tls.version.max", 4);  // please re-set to <default> (or to a value of at least 3), actually it could be set to a value of 4
user_pref("security.tls.version.min", 3);
user_pref("security.ssl.require_safe_negotiation", true);  // handle with care!
user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
user_pref("device.sensors.enabled", false);
user_pref("datareporting.healthreport.uploadEnabled", false);
user_pref("datareporting.policy.dataSubmissionEnabled", false);


user_pref("media.peerconnection.turn.disable", true);
user_pref("media.peerconnection.video.enabled",