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Websites can now use WebRTC to determine your local IP address Websites can now use WebRTC to determine your local IP address
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Old 02-07-2015, 02:57 PM   #1
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Websites can now use WebRTC to determine your local IP address
so this happened recently:

https://www.reddit.com/r/VPN/comment...etermine_your/

is this something i should be worried about for security and privacy issues?
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Last edited by thumper; 02-07-2015 at 03:46 PM.
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Old 02-07-2015, 05:17 PM   #2
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Yes, so try to disable it if you can.

Correct me if I am wrong, but I don't believe websites can access your location via. your browser without your approval. You need to click 'Allow' or 'Deny' before the website can determine your location.

EDIT: I retract my statement. This has nothing to do with WebRTC.
Last edited by willystyle; 02-07-2015 at 07:33 PM.
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Old 02-07-2015, 06:12 PM   #3
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So all the girls in the ads really are from Surrey!?!?

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Old 02-07-2015, 06:57 PM   #4
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Quote:
Originally Posted by punkwax View Post
So all the girls in the ads really are from Surrey!?!?

That has nothing to do with WebRTC.

EDIT:

Quote:
Originally Posted by thumper View Post
so this happened recently:

https://www.reddit.com/r/VPN/comment...etermine_your/

is this something i should be worried about for security and privacy issues?
I just followed your instruction and installed the Chrome extension (WebRTC Block) on my browser, and IT DOES NOT WORK!

I did a WebRTC test while running PIA VPN using a link provided by one of the comments on Reddit: https://diafygi.github.io/webrtc-ips/

My External IP address, Internal IP address (LAN IP Address), VPN IP address, TAP Server IP Address are ALL EXPOSED!


This is a MAJOR SECURITY LEAK!!!

Info blurred cause it's actually my real IP's.

EDIT2: Just did another WebRTC test with a link provided by WebRTC Block (https://www.browserleaks.com/webrtc). For this test, it says WebRTC is disabled on my browser, but I believe their test is faulty as I am still leaking mad with this link (https://diafygi.github.io/webrtc-ips/).

EDIT3: Apparently this security leak ONLY AFFECTS WINDOWS USERS. OSX, and Android users are safe.

EDIT4: SOLUTION: For Chrome users on WINDOWS, install Scriptsafe (https://chrome.google.com/webstore/d...hbdbdgdf?hl=en) to block WebRTC requests. This was intentionally put in by Google, without an official method to disable it.

EDIT5: I'm switching to Waterfox (has a built-in feature to disable it). The fact that Chrome doesn't have an official way to disable it troubles me. It's not ONLY the VPN address that's leaking. All of my IP addresses are leaking, if shit hits the fan, they can trace directly to my desktop computer that I am using.
EDIT6: Without ScriptSafe extension installed on Chrome, it also leaks on Chromebook as well.
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Last edited by willystyle; 02-11-2015 at 07:42 PM.
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