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From: N N Ashok <nalkunda@cse.msu.edu>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] layer-7 filtering is possible in linux ?
Date: Thu, 22 May 2003 19:33:56 +0000	[thread overview]
Message-ID: <marc-lartc-105363239826754@msgid-missing> (raw)
In-Reply-To: <marc-lartc-105189230406660@msgid-missing>

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On Friday 02 May 2003 13:05, Stef Coene scrawled:
> On Friday 02 May 2003 17:58, openings wrote:
> > Dear folks
> >
> >
> > With U32 filter, I can filter packets with it's packet header.
> >
> > In linux, I wonder if Layer-7 filtering is possible.
> >
> > I want to filter packets that include specific pattern in it's
> > payload(not header, data part).
> >
> > ex) Packets that include "aaa.exe" text pattern in it's data part.
> >
> > If it is possible, mail traffic that include specific text pattern can be
> > filtered.
> >
> > I thought that above function is very useful.
> >
> > In Linux, is it possible?
>
> Iptables can filter based on text in a packet.  At the same time, you can
> mark the packet and that mark can be used with the fw filter.
>
> Stef

The Layer 7 traffic policing project (http://l7-filter.sourceforge.net/) aims 
to do the very thing.

Ashok
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      parent reply	other threads:[~2003-05-22 19:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-02 15:58 [LARTC] layer-7 filtering is possible in linux ? openings
2003-05-02 17:05 ` Stef Coene
2003-05-02 17:41 ` Craig Kelley
2003-05-02 17:54 ` Logu
2003-05-05  3:49 ` Ethan Sommer
2003-05-05  5:40 ` james jones
2003-05-22 19:33 ` N N Ashok [this message]

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