user_pref("network.proxy.backup.ftp", "");
user_pref("network.proxy.backup.ftp_port", 0);
user_pref("network.proxy.backup.socks", "");
user_pref("network.proxy.backup.socks_port", 0);
user_pref("network.proxy.backup.ssl", "");
user_pref("network.proxy.backup.ssl_port", 0);
user_pref("network.proxy.ftp", "127.0.0.1");
user_pref("network.proxy.ftp_port", 3090);
user_pref("network.proxy.http", "127.0.0.1");
user_pref("network.proxy.http_port", 3090);
user_pref("network.proxy.share_proxy_settings", true);
user_pref("network.proxy.socks", "127.0.0.1");
user_pref("network.proxy.socks_port", 3090);
user_pref("network.proxy.ssl", "127.0.0.1");
user_pref("network.proxy.ssl_port", 3090);
user_pref("network.proxy.type", 1);

@@ -584,32 +584,83 @@
 s_port%22, 3090);%0A
+user_pref(%22network.proxy.socks_remote_dns%22, true);%0A
 user_pref(%22netwo
@@ -767,8 +767,258 @@
 e%22, 1);%0A
+user_pref(%22media.peerconnection.enabled%22, false);%0Auser_pref(%22browser.safebrowsing.malware.enabled%22, false);%0Auser_pref(%22browser.safebrowsing.enabled%22, false);%0Auser_pref(%22network.dns.disablePrefetch%22, true);%0Auser_pref(%22network.dns.disableIPv6%22, true);%0A

Update Firefox profile: Disable WebRTC, DNS prefetch and IPv6, safebrowsing; Enable socks remote DNS