Cross-reference apps to TCP/UDP connections on UNIX??

Clarke Morledge chmorl at
Mon Oct 7 17:52:52 GMT 2002

There was some discussion on the list last week concerning how to cross
reference TCP/UDP ports/connections with the applications that are using
those ports/connections on Microsoft Windows operating systems.

Does anybody have any ways to do the same thing on UNIX operating systems?

In other words, it sure would be cool to cross reference the output of
netstat with the output of ps.  Specifically, tying the process ID and/or
the user ID together with the TCP/UDP ports/connections being used would
be great.

Has anybody any suggestions, or is this just wishful thinking on my part?

Clarke Morledge
College of William and Mary
Information Technology - Network Engineering
Jones Hall (Room 18)
Williamsburg VA 23187
chmorl at

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