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From: R P Herrold <herrold@owlriver.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Traffic classification.
Date: Fri, 13 Sep 2002 13:02:18 +0000	[thread overview]
Message-ID: <marc-lartc-103192225310602@msgid-missing> (raw)
In-Reply-To: <marc-lartc-103189846224051@msgid-missing>

On Wed, 11 Sep 2002, George J. Jahchan wrote:

> Are there any Linux tools to identify and report network traffic at the
> application layer (sort of an application-layer protocol sniffer)? Layer
> 2-to-4 sniffers are next to useless at identifying apps that do not use
> fixed and documented ports. Examples: Peer-to-peer apps or apps
> utilizing well known ports defined for other apps like non-http traffic
> to tcp/80, or non-ftp traffic to tcp/21, etc...

tcpflow -- 

packaged in RPMs, with underlying SRPM at:  ftp.owlriver.com
in /pub/local/ORC/tcpflow/

comes to mind -- it allows line by line post-reconstruction 
and reverse engineering of an arbitrary IP protocol.  I forget 
the reference site, but Google shjould reveal it.

-- Russ Herrold

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      reply	other threads:[~2002-09-13 13:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-11 13:43 [LARTC] Traffic classification George J. Jahchan
2002-09-13 13:02 ` R P Herrold [this message]

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