If you use proxies, VPNs, anti-detect browsers, or privacy-focused setups, WebRTC leaks are still one of the easiest ways for websites to expose your real IP address.

A lot of developers assume that once traffic is routed through a proxy, the browser becomes fully anonymous. Unfortunately, that’s not how modern browsers work.

Even with a residential proxy enabled, WebRTC can silently reveal:

your local IP

your ISP-assigned public IP