DNSServiceNATPortMappingCreate returns external port 0 since macOS 13 b3 build 23A5286i.
This was the case in macOS 12 as well (see FB9137313 and FB9139688).
Hopefully this won't take months after macOS is released before it is fixed like last time.
Latest radar: FB12579235
You mean macOS 14, right?
Latest radar: FB12579235
Thanks for filing that.
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Right. 14, not 13. Sorry!
So it seems this may be a router failure on my end and was just a coincidence that it stopped working when I updated to the latest beta. It suddenly started working again this morning. I would still recommend to check the issue in case there is something indeed causing some instability.