TCP/IP Configuration and Management Manual
Well-Known Port Numbers for TCP and UDP
TCP/IP Configuration and Management Manual—427132-004
C-2
117 TCP uucp-path
119 TCP untp, usenet
123 TCP ntp
1524 TCP ingreslock
Table C-3. Port Numbers for UNIX-Specific Services
Port Number Protocol C Name(s) of Service or Function
512 TCP exec
UDP biff, comsat
513 TCP login
UDP who, whod
514 TCP shell, cmd (no passwords used)
UDP syslog
515 TCP printer, spooler (experimental)
517 UDP talk
520 UDP route, router, routed
530 TCP courier, rpc (experimental)
550 UDP new-rwho, new-who (experimental)
560 UDP rmonitor, rmonitord (experimental)
561 UDP monitor (experimental)
Table C-2. Port Numbers for Host-Specific Functions
Port Number Protocol C Name(s) of Service or Function