Great Circle Associates Firewalls
(July 1995)
 

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Subject: Re: Who owns what ports?
From: Scott Barman <scott @ Disclosure . COM>
Date: Tue, 11 Jul 1995 17:56:32 -0400 (EDT)
To: Brent Chapman <Brent @ GreatCircle . COM>
Cc: firewalls @ greatcircle . com
In-reply-to: <v02120c49ac28abfe5e51 @ [198 . 102 . 244 . 36]>

On Tue, 11 Jul 1995, Brent Chapman wrote:

> At 4:15 PM 7/11/95, Scott Barman wrote:
> >Question: Is there something I can use to find out which process is
> >listening or talking out a particular port?
> >
> >I am trying to do this under SunOS 4.1.3_U1.
> 
> You want a program called "lsof" (list open files).  Available from:
> 
>         ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/
>         ftp://coast.cs.purdue.edu/pub/tools/unix/lsof/
> 
> It runs on many different UNIX systems, and will tell you what files, UDP,
> and TCP ports a process has open; what processes have a given file, UDP, or
> TCP port open, and all sorts of other useful info.  Good stuff; I use it
> all the time.

Funny thing... I already have lsof and didn't know it could do this!!  :-)

Thanks to EVERYONE who responded.

scott barman
--
scott barman                  DISCLAIMER: I speak to anyone who will listen,
scott @
 disclosure .
 com                      and I speak only for myself.
barman @
 ix .
 netcom .
 com
  "Micro$oft and Windoze/NT will be the cause of the de-evolution of
   network security just as the original PC and BASIC was the cause of
   the de-evolution of programming."



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