This is the revision history for port 517 in <matrix.org:#rAnyijhRxzFRfdjSHl:matrix.org>

factoid_idsubjectcopulapredicateauthornamespace
945 port 517 is port 517: talk - like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a tcp connection is established) perlbot <*:##NULL>