Thank you very much for giving that code a try! The files you posted ran as expected - but only once. I suspect it has something to do with my OS. If I get it working reliably I'll post my steps to solving it.

New to UDP and I just typed out the code over at https://love2d.org/wiki/Tutorial:Networking_with_UDP I'm on PopOs and I've installed Love 11.4 and Lua 5.1.5 I've installed luasocket on my machine via luarocks I start the server via the shell with the command lua ./main.lua without any apparent issu...