# lsof -n -i
COMMAND  PID   USER   FD   TYPE DEVICE SIZE NODE NAME
mdnsd   7538  mdnsd    3u  IPv4  14014       UDP *:filenet-tms
mdnsd   7538  mdnsd    4u  IPv4  14843       UDP *:mdns
zmd     7548   root    4u  IPv4  14044       TCP 127.0.0.1:novell-zen (LISTEN)
portmap 7912 nobody    3u  IPv4  15062       UDP *:sunrpc
portmap 7912 nobody    4u  IPv4  15063       TCP *:sunrpc (LISTEN)
cupsd   7970     lp    0u  IPv4  15484       TCP *:ipp (LISTEN)
cupsd   7970     lp    2u  IPv4  15485       UDP *:ipp
sshd    8206   root    3u  IPv6  15725       TCP *:ssh (LISTEN)
master  8252   root   11u  IPv4  15861       TCP 127.0.0.1:smtp (LISTEN)
master  8252   root   12u  IPv6  15862       TCP [::1]:smtp (LISTEN)