I wrote myself a new python script for a palworld server I run. Wanted to figure out a generic way to track active connections without running something in front of the daemon. That’s easy to do for TCP, but since UDP has no concept of an established connection, the regular tools wouldn’t work. Realized I could use conntrack to get the linux firewalls connection tracking data, which works outside of tcp/udp concepts and maintains its own active connection state based on timeouts, which is what I was gonna do anyways. Now I can issue SIGSTOP/SIGCONT to keep buildings from degrading on the server when nobody’s online to deal with it, along with saving the cpu resources of an empty game server. Rather niche project, but I figured I’d publish it anyways. https://github.com/sugoidogo/pausepal