I had a problem in a hostel a few weeks back. My "server" (the one machine which has a public IP) was crashing when started connecting my laptop in the WiFi of the hostel.
I don't know if this data helps, but I created an experiment setup and saved journald logs and dumpcap dumps, from the "server" and the "client" (the laptop in the WiFi of the hostel) I talked to people and the term that fell was "stateless firewall". I *BELIEVE* the firewall in the hostel was dropping packages which are important for the tinc protocol. Anyway I guess tinc should be able to handle this in any case and not crash, or be killed by the kernel. You can download all the date I logged here : https://git.ingolf-wagner.de/palo/tinc-crash-test-data/src/master/tinc-crash-test-data I hope it contains a bit of helping information, and we can improve tinc (which is already awesome :D) Regards palo
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