I have a similar question - can anyone tell the difference between dispatch_main and CFRunLoopRun on a daemon's main function? What reasons are there to pick one over the other?

Hi, This also happens with an App that is compiled with Xcode 14, and still happens on latest beta (7). Did anyone experience such crashes? Also opened a ticket: FB11447626

Rebooting the machine solves the issue, but of course this is not a solution one can give to users.

I do not think this is a MDM issue. My understanding is that NEFilterPacketProvider and NEFilterDataProvider are guaranteed > to support TCP and UDP traffic. ICMP traffic happened to work, but was never documented. My advice here would be to open > up a bug report, since you seen a change in behavior, so that this matter can be further weighed in on by our internal teams. > Please post a the Feedback ID here also if you go this route. Optionally, you can also open a TSI with a sample project and I can do some further digging on this as well. @meaton this is strange, as for packet filter there is no documentation whatsoever that it supports only TCP/UDP: https://developer.apple.com/documentation/networkextension/nefilterpacketprovider?language=objc Moreover, on several lab sessions on WWDC we were answered that Packet Filter is the right solution for filtering non-TCP/UDP flows. In any case, we have opened a support ticket: FB9847349