[root@www1 ~]# lsof -i
COMMAND    PID    USER   FD   TYPE DEVICE SIZE NODE NAME
portmap   2178     rpc    3u  IPv4   5153       UDP *:sunrpc 
portmap   2178     rpc    4u  IPv4   5154       TCP *:sunrpc (LISTEN)
rpc.statd 2198 rpcuser    4u  IPv4   5193       UDP *:32768 
rpc.statd 2198 rpcuser    5u  IPv4   5182       UDP *:678 
rpc.statd 2198 rpcuser    6u  IPv4   5196       TCP *:32770 (LISTEN)
snmpd     2373    root    9u  IPv4   5500       TCP *:smux (LISTEN)
snmpd     2373    root   10u  IPv4   5501       UDP *:snmp 
cupsd     2385    root    0u  IPv4   5571       TCP localhost.localdomain:ipp (LISTEN)
cupsd     2385    root    2u  IPv4   5572       UDP *:ipp 
sshd      2410    root    3u  IPv6   5598       TCP *:ssh (LISTEN)
ntpd      2442     ntp    4u  IPv4   5699       UDP *:ntp 
ntpd      2442     ntp    5u  IPv6   5700       UDP *:ntp 
ntpd      2442     ntp    6u  IPv4   5701       UDP localhost.localdomain:ntp 
ntpd      2442     ntp    7u  IPv4   5702       UDP www1.nymetro.com:ntp 
vsftpd    2479    root    3u  IPv4   5809       TCP *:ftp (LISTEN)
sendmail  2498    root    4u  IPv4   5885       TCP localhost.localdomain:smtp (LISTEN)
httpd     2532    root   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2552  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2555  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2556  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2557  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2558  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2559  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2560  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2561  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2562  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2563  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2564  nobody   24u  IPv4   5996       TCP *:http (LISTEN)
httpd     2565  nobody   24u  IPv4   5996       TCP *:http (LISTEN)