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Date:      Wed, 9 Apr 2003 16:31:50 -0500
From:      "Shawn Barnhart" <>
To:        <>
Subject:   Re: fwd and bridging
Message-ID:  <060f01c2fedf$6e911840$>
References:  <00b301c2fb7a$218b14a0$0201a8c0@twinstar> <>

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----- Original Message -----
From: "Crist J. Clark" <>

> On Sat, Apr 05, 2003 at 07:49:03AM -0600, Shawn Barnhart wrote:
> > The manpage states that fwd rules (like for transparent proxying) will
> > match bridged packets.  Will they ever, or is there some fundamental
> > they can't?
> Bridged packets are never processed at the IP layer, that is, they
> never get passed to the ip_input() function. All of the 'fwd' code
> lives in ip_input() and ip_output() at the IP layer and above.

Thanks for the explanation.  It's unfortunate they can't, it'd be ideal for
a transparent proxying setup or other interception without having to alter
clients routes.

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