Browser fingerprint lab
WebRTC
To set up a peer-to-peer connection, WebRTC asks a STUN server "what is my public address?", and that request can slip past a proxy.
Running…
Result
Details
- Support
- IP
- WebRTC public IP
- WebRTC local IP
- mDNS obfuscation
- STUN servers answered
- Camera / microphone permission
- Gathering time
What this means
If the WebRTC public IP differs from the HTTP IP above, your tool is not carrying WebRTC traffic and websites see both addresses. That is the well-known WebRTC leak. Local IPs are normally hidden behind mDNS names; if you can see something like 192.168.x.x here, that protection is off too. Inside censored networks the STUN servers themselves may be unreachable, which is why several domestic and foreign ones are probed. An empty result does not mean you are safe.