WebRTC IP Leaks in 2025The Hidden VPN Bypass That Exposes Your Real IP

// WebRTC leak detection code (simplified)
async function detectWebRTCLeaks() {
  const ips = new Set();

  const pc = new RTCPeerConnection({
    iceServers: [{ urls: "stun:stun.l.google.com:19302" }]
  });

  pc.createDataChannel("");

  pc.onicecandidate = (event) => {
    if (event.candidate) {
      // Extract IP from ICE candidate
      const regex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/;
      const match = regex.exec(event.candidate.candidate);
      if (match) {
        ips.add(match[1]);
        console.log("Leaked IP:", match[1]);
      }
    }
  };

  await pc.createOffer().then(offer => pc.setLocalDescription(offer));

  // IPs collected include:
  // - Your local IP (192.168.x.x)
  // - Your real public IP (bypasses VPN!)
  // - IPv6 addresses
}

This code runs silently on any website without user permission. No camera or microphone access required - just JavaScript.