Fully disabling WebRTC is the most aggressive response to a leak concern, and also the one with the most collateral impact — browser-based video calls, voice chat, and screen-sharing tools built on WebRTC simply stop working. Worth exhausting narrower options first.
What you lose by disabling it entirely
A large and growing set of legitimate services rely on WebRTC specifically because it enables real-time communication without a plugin — video conferencing tools, customer support chat widgets with voice/video, and collaborative applications. Disabling WebRTC browser-wide breaks all of these, not just the specific leak scenario you were worried about.
Safer fixes to try first
- Check your VPN client for a dedicated WebRTC protection setting — the least disruptive fix, addressing the issue at its actual source.
- Use a targeted browser extension that restricts WebRTC candidate gathering without fully disabling the API — preserves functionality for sites you explicitly trust while blocking it elsewhere.
- Check for a per-site permission control — some browsers let you manage WebRTC-adjacent permissions (camera/microphone access) per site, which indirectly limits exposure to sites you haven't explicitly allowed.
When full disablement might make sense
If you've confirmed a genuine leak, don't use any WebRTC-dependent services, and no narrower fix resolves it, disabling WebRTC entirely (via browser settings or an extension) is a legitimate last resort — just go in aware of the tradeoff rather than as a reflexive first response.
Verifying either way
Whatever you choose, confirm the outcome with NetRiskScan's WebRTC Leak Test — either confirming the leak is closed, or confirming WebRTC still works for the calling features you actually want.
FAQ
Can I disable WebRTC for some sites but not others?
Some browser extensions support per-site rules, letting you keep WebRTC available for sites you trust (like your video-conferencing tool) while restricting it elsewhere.