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Date:      Mon, 09 Apr 2007 17:37:02 +0200
From:      Martin Hudec <corwin@aeternal.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: command to inentify the process that is listening in a port.
Message-ID:  <461A5D9E.2010501@aeternal.net>
In-Reply-To: <b713df2c0704090759t1abcc96bld4978bbedec38687@mail.gmail.com>
References:  <b713df2c0704090758h59657b8csc7716d3fe1f91943@mail.gmail.com> <b713df2c0704090759t1abcc96bld4978bbedec38687@mail.gmail.com>

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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

Martin



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