How to Fix WebRTC VPN IP Leaks

In January 2015 the new security flaw was revealed that enables website owner to see the real IP address of VPN users by exploiting WebRTC protocol.

Only Firefox and Chrome browsers on Windows are affected by this vulnerability. You can use the online service to check if you are affected by WebRTC leak

How to fix WebRTC leak in Chrome

Install the WebRTC Block extension or ScriptSafe, which both block the vulnerability.

How to fix WebRTC leak in Firefox

Type about:config in the browser's address bar and hit enter.
Confirm you will be careful if the prompt appears.
Search for media.peerconnection.enabled.
Double-click the preference to set it to false.
This turns of WebRTC in Firefox.