Download:
https://bit.ly/2GCY8ve (for Win, Linux, OS X)
Just install the extension and WebRTC IP Leaks are stopped. Please get sure to allow it also for Incognito!
You want to use WebRTC again for a while? Simply disable the extension temporarily.
What are WebRTC Leaks?
http://thehackernews.com/2015/02/webrtc ... dress.html

WebRTC-Check:
http://www.ip-secrets.com/webrtc.php