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Date:      Wed, 09 May 2007 15:40:10 +0100
From:      Tom Evans <tevans.uk@googlemail.com>
To:        Bob Johnson <fbsdlists@gmail.com>
Cc:        Jonathan McKeown <jonathan@hst.org.za>, freebsd-questions@freebsd.org
Subject:   Re: command to inentify the process that is listening in a port.
Message-ID:  <1178721610.1231.17.camel@zoot.mintel.co.uk>
In-Reply-To: <54db43990704111152w13707e45n1e0b6f436b69dc51@mail.gmail.com>
References:  <b713df2c0704090758h59657b8csc7716d3fe1f91943@mail.gmail.com> <b713df2c0704090759t1abcc96bld4978bbedec38687@mail.gmail.com> <461A5D9E.2010501@aeternal.net> <200704101000.03164.jonathan@hst.org.za> <54db43990704111152w13707e45n1e0b6f436b69dc51@mail.gmail.com>

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On Wed, 2007-04-11 at 14:52 -0400, Bob Johnson wrote:
> On 4/10/07, Jonathan McKeown <jonathan@hst.org.za> wrote:
> > On Monday 09 April 2007 17:37, Martin Hudec wrote:
> > > Siju George wrote:
> > > > How Do you actually Identify what process is listening on a TCP/IP =
port?
> > > > "nmap" does not usually give the right answer.
> > > > There should be some command that can be run on the local host for
> > > > identification right?
> > >
> > > man lsof
> > >
> > > 5:35pm [amber] ~# lsof -i @localhost:123
> > > COMMAND PID USER   FD   TYPE     DEVICE SIZE/OFF NODE NAME
> > > ntpd    552 root   10u  IPv4 0xc4c46000      0t0  UDP localhost:ntp
> >
> > Just out of interest, why do so many people recommend lsof, which is a =
port,
> > when sockstat/fstat are in the base system and seem to cover the same
> > ground?
> > Am I missing something about lsof?
>=20
> Linux systems don't have sockstat, so people who got to FreeBSD via
> Linux are used to lsof and they tend to continue using it. Same result
> for those who read the many Linux howto websites.
>=20
> - Bob
> _______________________________________________
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rg"

Ironically, coming from linux I found that FreeBSD netstat doesn't
support the -l -4 flags, which is how I found out about sockstat -l4 :)

Tom

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