[Webkit-unassigned] [Bug 233752] REGRESSION (iOS 15): Safari loses Network access when establishing WebRTC session

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=233752

--- Comment #7 from David Gölzhäuser <david.goelzhaeuser at loxone.com> ---
I am unable to reproduce this in our development environment, only three users (two of are employees of our company) report these issues. I have access to two systems which I used to analyze this issue.

I may be able to ask for access.

> So all networking to the intercom was broken? Was private relay on?

This issue happens in the Safari App and in our Cordova based app.

When using the Safari App all network communication is timed out, even if I switch to a different tab and try to load https://www.apple.com.

In our Cordova based app all network traffic is timing out, so I guess its for the whole application process?

iCloud Private Relay was not turned on. There is no difference when its on or off.


Further:
I checked the WebKit code and it looks like the libWebRTC sockets abstraction to Cocoa Network API is always active as long as the Experimental feature "WebRTC Platform UDP Sockets" is turned on. However proxying WebRTC through iCloud Private Relay is not enabled (yet), as the public IP address leaks when using a STUN server.

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