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From: Neil Horman <nhorman@redhat.com>
To: ych43 <ych43@student.canterbury.ac.nz>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: TCP port numbers
Date: Mon, 01 Nov 2004 07:38:55 -0500	[thread overview]
Message-ID: <41862E5F.60300@redhat.com> (raw)
In-Reply-To: <41838517@webmail>

ych43 wrote:
> Hi,
>  I got one question about unix socket functions. I have two machines (called A 
> and B). I use A to telnet B, get the root password of B. Is there any unix 
> socket function I can use to get the port number of A on B. Obviously, the 
> port number of B is 23. I want to use a socket function implemented on B to 
> get the port number of A because a TCP connection is established between them.
>   I greatly appreciate it if you help me. Thank you in advance.
>   Xue
> 
I think getpeername is the library call you are looking for
HTH
Neil
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-- 
/***************************************************
  *Neil Horman
  *Software Engineer
  *Red Hat, Inc.
  *nhorman@redhat.com
  *gpg keyid: 1024D / 0x92A74FA1
  *http://pgp.mit.edu
  ***************************************************/

      parent reply	other threads:[~2004-11-01 12:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-01  3:33 TCP port numbers ych43
2004-11-01 10:39 ` Jan Engelhardt
2004-11-01 12:38 ` Neil Horman [this message]

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