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From: Tom Eastep <teastep@shorewall.net>
To: netfilter@lists.netfilter.org
Subject: Re: bad tcp checksum
Date: Wed, 5 Apr 2006 09:20:30 -0700	[thread overview]
Message-ID: <200604050920.31151.teastep@shorewall.net> (raw)
In-Reply-To: <4433E766.9080409@denouden.info>

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On Wednesday 05 April 2006 08:51, Jan den Ouden (ml) wrote:
> Hi,
>
> I'm seeing a strange problem with kernel 2.6.12 Xen domain0 with all
> netfilter options compiled in. I'm trying to do port forwarding to an
> internal machine from an internet gateway box.
>
> What works ok is forwarding from gateway:143 to internalmachine:143.
>
> But when I forward from gateway:1000 to internalmachine:143 I get bad
> TCP checksums on the return packets. These packets are ignored on the
> client machine on the external internet.
>

I suggest that you search the Xen-users list archives -- this issue has been 
discussed ad nauseum.

-Tom
-- 
Tom Eastep    \ Nothing is foolproof to a sufficiently talented fool
Shoreline,     \ http://shorewall.net
Washington USA  \ teastep@shorewall.net
PGP Public Key   \ https://lists.shorewall.net/teastep.pgp.key

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  reply	other threads:[~2006-04-05 16:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-05 15:51 bad tcp checksum Jan den Ouden (ml)
2006-04-05 16:20 ` Tom Eastep [this message]
2006-04-05 17:18   ` Jan den Ouden

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