Sounds like a DHCP issue on your router that was cleared up after a reboot.
I’d recommend trying togging the network interface off/on the next time that happens, or rebooting the router. > On Jan 24, 2024, at 12:19 PM, Gerben Wierda <gerben.wie...@rna.nl> wrote: > > I can after some more testing confirm: > > - After turning of SIP, it works > - After then turning SIP on again, it still works (?!?!?!) > > So, turning SIP off and on again cleared something. > > Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>, Mastodon > <https://newsie.social/@gctwnl>) > R&A IT Strategy <https://ea.rna.nl/> (main site) > Book: Chess and the Art of Enterprise Architecture > <https://ea.rna.nl/the-book/> > Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/> > YouTube Channel <http://www.youtube.com/@GerbenWierda> > >> On 24 Jan 2024, at 16:18, Gerben Wierda <gerben.wie...@rna.nl> wrote: >> >> Hello people, >> >> I am currently making an attempt to run various ports on macOS Sonoma (mail >> server stuff, like postfix, dovecot, installed by MacPorts) and I am running >> into a problem. >> >> From inside the machine itself, everything is fine. I can connect to the >> ports using nc >> >> But from another machine on my LAN I cannot. It simply times out when I try >> >> nc -v -z <sonoma-machine-ip> 993 >> >> from any other machine on the LAN. But on the machine itself it works. The >> process is running, it is listening to the correct port. I have used Murus >> (PF configurator/logger) to see that the connection from the outside is >> actually made. I tried Vallum (ALF configurator) to see what I could do/see. >> >> At one point I had postfix reacting to connections from outside the Mac, but >> not dovecot. Then I tried to change everything back and try again, now >> postfix isn't accepting connections either and I don't remember what I >> exactly did. >> >> Two questions: >> how do I expose MacPorts dovecot to the outside? >> how do I find out what part of Sonoma is stopping the connection and why? >> >> Help? >> >> Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>, Mastodon >> <https://newsie.social/@gctwnl>) >> R&A IT Strategy <https://ea.rna.nl/> (main site) >> Book: Chess and the Art of Enterprise Architecture >> <https://ea.rna.nl/the-book/> >> Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/> >> YouTube Channel <http://www.youtube.com/@GerbenWierda> >
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