From: Padraig Brady <padraig@antefacto.com>
To: "Shipman, Jeffrey E" <jeshipm@sandia.gov>
Cc: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Subject: Re: TCP checksum?
Date: Thu, 13 Jun 2002 16:34:40 +0100 [thread overview]
Message-ID: <3D08BB90.6010805@antefacto.com> (raw)
In-Reply-To: <03781128C7B74B4DBC27C55859C9D73809840636@es06snlnt>
Shipman, Jeffrey E wrote:
> I'm looking for a function similar to skb_checksum(), but
> for the tcphdr->check field. I'm playing around with a module
> I've written for netfilter and I would like to modify options of
> the IP and TCP headers. For example, right now I'm trying
> to set the destination IP to the source IP
I think there already is a module to do this?
Paull Russel (did I get the l's right :-)) mentioned
it at a talk in Ireland a couple of months ago.
There were fun and games when 2 machines with this
module we put back to back and it was noticed that the
ttl wasn't decremented :-P
Padraig.
next prev parent reply other threads:[~2002-06-13 15:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-13 15:10 TCP checksum? Shipman, Jeffrey E
2002-06-13 15:28 ` Guillaume Morin
2002-06-13 15:34 ` Padraig Brady [this message]
2002-06-14 3:51 ` Fabrice MARIE
-- strict thread matches above, loose matches on Subject: below --
2002-06-13 19:58 Shipman, Jeffrey E
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