Date: Wed, 11 Apr 2007 14:52:04 -0400 From: "Bob Johnson" <fbsdlists@gmail.com> To: "Jonathan McKeown" <jonathan@hst.org.za> Cc: freebsd-questions@freebsd.org Subject: Re: command to inentify the process that is listening in a port. Message-ID: <54db43990704111152w13707e45n1e0b6f436b69dc51@mail.gmail.com> In-Reply-To: <200704101000.03164.jonathan@hst.org.za> References: <b713df2c0704090758h59657b8csc7716d3fe1f91943@mail.gmail.com> <b713df2c0704090759t1abcc96bld4978bbedec38687@mail.gmail.com> <461A5D9E.2010501@aeternal.net> <200704101000.03164.jonathan@hst.org.za>
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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? 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. - Bob
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