WebRTC peer connections not working?

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OS/Platform

Windows

Installed

https://ungoogled-software.github.io/ungoogled-chromium-binaries/

Version

127.0.6533.99

Have you tested that this is not an upstream issue or an issue with your configuration?

• [X] I have tried reproducing this issue in Chrome and it could not be reproduced there
• [X] I have tried reproducing this issue in vanilla Chromium and it could not be reproduced there
• [ ] I have tried reproducing this issue in ungoogled-chromium with a new and empty profile using --user-data-dir command line argument and it could not be reproduced there

Description

Webrtc does not seem to work. SDPs and ICE candidates can be generated but peer connections cannot be established

How to Reproduce?

1. go to https://theanam.github.io/webrtc-test-suite/
2. click "Start Test"
3. observe that the report says "Peer connection did not work"

I found this to be the case on my own project and am just using this website as it is simpler to show the problem. I just installed this browser specifically to test this so its already a new profile so I doubt creating a new profile will fix it. (and I don't understand how to do that in any case.)

Actual behaviour

The peer connection did not work

Expected behaviour

The peer connection should work

Relevant log output

No response

Additional context

related: https://github.com/ungoogled-software/ungoogled-chromium/issues/2516

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Ok, you just need to set chrome://flags/#webrtc-ip-handling-policy. That was actually in the issue I linked above but I actually meant to link to another issue I read that had the same test link on it. I just read that issue I linked above now.