How can I reliably prevent my local IP address leaking in the web browsers?
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Any site that I visit can see my local IP (e.g. 192.168.1.102). Is there any reliable way to block this behavior? (browser setting, OS setting, router setting, etc.) I am particularity interested in Google Chrome and Mozilla Firefox, but any modern open source browser will do. If it is a browser plugin, it should be open source with a solid user base. By reliable I mean, that I do not need to check the leakage again after every software update. More info / what I have read so far: There was a Chrome plugin that is not working anymore Local IP is obtained using JavaScript / WebRTC Live Demo here: Demo Source code: https://github.com/diafygi/webrtc-ips Firefox developers is not going to fix the leak (bug is open from 2014): Bug 959893 In Private / Incognito mode does not prevent this leak. I