netdev - Re: [net-next PATCH 08/16] Port redirection support for TCP

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Message-Id: <20081001.074726.20974386.davem@davemloft.net>
Date:	Wed, 01 Oct 2008 07:47:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hidden@....bme.hu
Cc:	kaber@...sh.net, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: [net-next PATCH 08/16] Port redirection support for TCP

From: KOVACS Krisztian <hidden@....bme.hu>
Date: Wed, 01 Oct 2008 16:24:31 +0200

> Current TCP code relies on the local port of the listening socket
> being the same as the destination address of the incoming
> connection. Port redirection used by many transparent proxying
> techniques obviously breaks this, so we have to store the original
> destination port address.
> 
> This patch extends struct inet_request_sock and stores the incoming
> destination port value there. It also modifies the handshake code to
> use that value as the source port when sending reply packets.
> 
> Signed-off-by: KOVACS Krisztian <hidden@....bme.hu>

Applied to net-next-2.6
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