Stop WebRTC Leaks

Google Chrome:

1. Install WebRTC Network Limiter Plugin and it will prevent any WebRTC leaks.

Mozilla Firefox:

1. Type about:config in the address bar.
2. Scroll down to media.peerconnection.enabled, double click to set it to false.

Safari: 

1. Click on “Safari” and choose “Preferences” from the drop-down menu. 
2. Click on the “Advanced” tab and check the checkbox that reads “Show Develop menu in menu bar”. 
3. Click on the new “Develop” tab in the menu bar and choose “WebRTC” from the drop-down menu. If “Enable Legacy WebRTC API” is checked, click on it to disable it.