Security Basics: Re: how to find a port that some programs are using?

[Kenneth Kalmer <kenneth.kalmer () gmail com>]

On Mon, 21 Feb 2005 18:50:53 +0200 (EET), Panos
<epp719 () aretousa epp teiher gr> wrote:
> see fuser
> fuser -n tcp 80 gives u the process id of the program running on port 80
> on tcp protocol, here web
> same way for udp. fuser -n udp *port*
> > Hi, I'm really sorry about the newbie question, but there it goes:
> >
> > I have some programs that makes a conection on it server, and I must
> > know which port these programs are using.
> >
> > I'm under linux, if anyone knows some tool or something like this I'd be
> > grateful.
netstat -lp --numeric-ports

> > Thanks
Pleasure

> >

-- 

Kenneth Kalmer
kenneth.kalmer () gmail com
http://opensourcery.blogspot.com