This is the revision history for port 513 in <matrix.org:#rAnyijhRxzFRfdjSHl:matrix.org>

factoid_idsubjectcopulapredicateauthornamespace
941 port 513 is port 513: login - remote login a la telnet; automatic authentication performed based on priviledged port numbers and distributed data bases which identify "authentication domains" perlbot <*:##NULL>