Learn how WebRTC leaks can expose network information in browsers and how to reduce leak risk when using a VPN.
Simple visual schema
Why WebRTC exists
WebRTC is a browser technology used for real-time audio, video, and peer-to-peer connections. It helps power video calls, screen sharing, and interactive web apps without requiring extra plugins.
How a leak can happen
During connection setup, WebRTC may gather network candidates that reveal local or public network details. In some VPN setups, this can expose an IP address or network path that the user expected to hide.
How to reduce the risk
Use a VPN with WebRTC leak protection, keep the browser updated, check browser privacy settings, and avoid running multiple conflicting proxy or VPN extensions. Some browsers also allow tighter WebRTC IP handling.
Testing matters
A VPN can change your visible IP while DNS, IPv6, or WebRTC still reveal unexpected information. A complete privacy check should look at more than one signal.
Frequently Asked Questions
Is WebRTC always dangerous?
No. WebRTC is useful browser technology. The concern is misconfiguration or privacy-sensitive use cases where unexpected IP exposure matters.
Can disabling WebRTC break websites?
Yes. Video calls, screen sharing, and some real-time apps may stop working if WebRTC is disabled completely.
Continue learning in the My IP View guides, or return to the public IP checker.