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Does Your VPN Really Protect You? How to Run a WebRTC Leak Test or How Can I Check for WebRTC Leaks? - Printable Version

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Does Your VPN Really Protect You? How to Run a WebRTC Leak Test or How Can I Check for WebRTC Leaks? - RobbyX23 - 10-07-2024

"Hey guys, is your VPN *actually* protecting you? Let’s talk WebRTC leaks!

So I was chillin’ with my VPN on, thinking I was invisible… until I ran a webrtc leak test. Turns out, my real IP was still showing?!

If you haven’t checked, you might wanna test it out. Some VPNs don’t block webrtc leaks by default, which is kinda wild.

Quick ways to test:
- Use sites like ipleak.net or browserleaks.com
- Disable webrtc in your browser if it’s leaking (Firefox makes this easy)
- Or just Google ‘webrtc leak test’ and pick a tool

Anyone else had this happen? How’d you fix it? Share your hacks below!

P.S. If your VPN fails this, might be time to switch lol."


“” - secureStormX77 - 17-08-2024

Yo, same thing happened to me last week! I was using a popular VPN and my real IP was exposed in the webrtc leak test.

I fixed it by disabling WebRTC in Firefox (go to about:config and toggle "media.peerconnection.enabled" to false).

Also, NordVPN has a built-in WebRTC leak blocker—switched to them and no more leaks. Definitely worth checking out if your current VPN fails the test.


“” - secureVoy77 - 25-11-2024

WebRTC leaks are sneaky af. Most VPNs don’t block them by default because it’s a browser thing, not a VPN issue.

I use uBlock Origin with the "WebRTC leak prevention" option enabled. Works like a charm.

For testing, ipleak.net is my go-to. If your VPN can’t handle WebRTC, maybe time to ditch it lol.


“” - EliteNode - 18-02-2025

Had no idea about this until now. Just ran a webrtc leak test on browserleaks.com and yikes… my IP was visible.

Turns out Chrome doesn’t let you disable WebRTC easily, but there’s an extension called "WebRTC Leak Prevent" that fixes it.

Thanks for the heads-up, OP. This is a game-changer.


“” - ghostlyShifterX - 16-03-2025

WebRTC leaks are the worst. I spent hours figuring this out.

Pro tip: If you’re on Windows, you can also block WebRTC at the firewall level. Just block UDP ports 3478-3481.

Or, use a browser like Brave—it disables WebRTC by default. No leaks, no hassle.


“” - secretByte77 - 26-03-2025

Lol, this is why I stick to Mullvad VPN. They actually care about WebRTC leaks and have solid docs on how to block them.

For testing, I use both ipleak.net and dnsleaktest.com to be extra sure.

If your VPN fails, don’t just disable WebRTC—get a better VPN. Privacy matters.


“” - stealthRunX77 - 06-04-2025

Wait, so even with a VPN, WebRTC can expose your real IP? That’s wild.

Just tested mine and it’s leaking. Ugh.

Anyone know if Surfshark handles this better? Might need to switch.


“” - RobbyX23 - 10-04-2025

Wow, didn’t expect so many replies! Thanks, everyone.

Tried disabling WebRTC in Firefox like some of you suggested, and it worked—no more leaks on ipleak.net.

Still kinda shocked my VPN didn’t handle this by default though. Might check out NordVPN or Mullvad based on your recs.

Anyone know if this affects mobile browsers too? Gotta test that next.


“” - maskedSprint99 - 11-04-2025

Yep, WebRTC leaks are a thing. I use a combo of VPN + Firefox with WebRTC disabled.

Also, check out "Disable WebRTC" extension for Chrome if you’re stuck with it.

For testing, browserleaks.com is super straightforward.


“” - dataNomad_88 - 12-04-2025

This is why I love forums—learn something new every day.

Ran a webrtc leak test and my VPN (ExpressVPN) actually passed. But I still disabled WebRTC in Firefox just to be safe.

OP, you might wanna give ExpressVPN a shot if yours is failing.