pref("general.useragent.compatMode.firefox", true);
pref("distribution.searchplugins.defaultLocale", "en-US");
// Forbid application updates
-lockPref("app.update.enabled", false);
-// POODLE protection, CVE-2014-3566
-pref("security.tls.version.min", 1);
+pref("app.update.enabled", false, locked);