Re: bad tcp checksum

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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
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