List open ports – netstat

netstat can be used to list all open ports on a machine

Linux

$ netstat -an | grep -i listen
Command options will be different in diff version of linux

Windows

> netstat -a | find /i "listening"
> netstat -b     //will show the process names
> netstat -?

Some links on the web
http://blogs.techrepublic.com.com/security/?p=443
http://www.petri.co.il/quickly_find_local_open_ports.htm

This entry was posted on Monday, August 25th, 2008 at 1:16 am and is filed under Linux, Windows Networking. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “List open ports – netstat”

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