Monitoring, Management & Location Tracking

How to check what ports are being used by processes on the server?

Aruba Employee

netstat –lnput

In this example HTTP process is listening on port 443 and 80.

[root@huskk mercury]# netstat -lnput
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:32768 0.0.0.0:* LISTEN 2475/rpc.statd
tcp 0 0 127.0.0.1:8558 0.0.0.0:* LISTEN 552/perl
tcp 0 0 127.0.0.1:9999 0.0.0.0:* LISTEN 553/Daemon::TupleSp
tcp 0 0 127.0.0.1:8888 0.0.0.0:* LISTEN 557/Daemon::Persist
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 11878/postmaster
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 2713/master
tcp 0 0 :::80 :::* LISTEN 658/httpd
tcp 0 0 :::22 :::* LISTEN 32476/sshd
tcp 0 0 :::443 :::* LISTEN 658/httpd
udp 0 0 0.0.0.0:32768 0.0.0.0:* 2475/rpc.statd
udp 0 0 127.0.0.1:8210 0.0.0.0:* 15886/msgHandler
udp 0 0 0.0.0.0:8211 0.0.0.0:* 15886/msgHandler
udp 0 0 0.0.0.0:1812 0.0.0.0:* 616/radiusd
udp 0 0 0.0.0.0:1813 0.0.0.0:* 616/radiusd
udp 0 0 0.0.0.0:162 0.0.0.0:* 647/snmptrapd
udp 0 0 0.0.0.0:955 0.0.0.0:* 2475/rpc.statd
udp 0 0 0.0.0.0:69 0.0.0.0:* 8873/xinetd
udp 0 0 127.0.0.1:8396 0.0.0.0:* 584/Daemon::PAPI
udp 0 0 127.0.0.1:2256 0.0.0.0:* 584/Daemon::PAPI

Version history
Revision #:
1 of 1
Last update:
‎06-24-2014 02:03 PM
Updated by:
 
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