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Date: Mon, 10 Jan 2005 19:44:44 +0200
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Len Conrad <LConrad@Go2France.com>
Message-ID: <20050110174444.GA1294@orion.daedalusnetworks.priv>
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cc: freebsd-net@freebsd.org
cc: freebsd-questions@freebsd.org
Subject: Re: buildup of Windows time_wait talking to fbsd 4.10
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On 2005-01-10 11:26, Len Conrad <LConrad@Go2France.com> wrote:
>> Just off the top of my head...
>>
>> You mentioned the freebsd machine is the gateway.  Do you have a
>> firewall on the host blocking connections from the windows machine?
>
> a forgotten detail is that the windows machine sends just fine to
> the 4.10 gateway for a few minutes, but the time_wait inevitably
> builds up, so smtp access from windows to either gateway is ok.
>
>> Do you have a different kernel configuration between 4.7 and 4.10?
>
> both GENERIC
>
>> i.e. do you have something like ipdivert, etc in the kernel on one
>> box and not the other? Can the windows machine ping the ip
>> 192.168.200.59 as its a different class C?
>
> sure, basic connectivity is ok.

Are you using a firewall?  If yes, is it stateful?  Can we see the
ruleset?