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WebRTC Leak

Network Privacy

VPN (Virtual Private Network) Device/Browser Fingerprinting IP Address DNS Leak

Exposure of network identifiers via WebRTC ICE candidates.

Definition

WebRTC can expose IP addresses through ICE candidate gathering (including local or public interfaces), enabling sites to infer real network identifiers.

In plain English Exposure of network identifiers via WebRTC ICE candidates.

Why this matters

Why it matters: It can defeat IP-masking assumptions and contribute to tracking and deanonymization.

Example

Example: STUN-based candidate discovery revealing non-tunneled IP details.