From: "David S. Miller" <davem@davemloft.net>
To: Vladimir <vlists@veus.hr>
Cc: niv@us.ibm.com, netdev@oss.sgi.com
Subject: Re: [Fwd: [Bug 3397] New: Network connections hang going through an OpenBSD firewall]
Date: Tue, 14 Sep 2004 14:19:17 -0700 [thread overview]
Message-ID: <20040914141917.52cfa62e.davem@davemloft.net> (raw)
In-Reply-To: <41475E1E.7010200@veus.hr>
On Tue, 14 Sep 2004 15:09:50 -0600
Vladimir <vlists@veus.hr> wrote:
> > Is the OpenBSD mangling the packet in any way?
>
> It is certainly possible but everything works fine with all other OSes
> and kernels 2.6.5 and below which leads me to believe something was
> changed in 2.6.6 that broke it.
>
> Are you able to reproduce it ?
OpenBSD packet filter is busted, and the maintainer of
it claims this is not a bug.
That changes in 2.6.6 didn't "break" things, it enabled a
feature in TCP that OpenBSD stateless TCP connection tracking
cannot handle, and old TCP feature in fact, window scaling.
See here for more info:
http://lwn.net/Articles/92727/
next prev parent reply other threads:[~2004-09-14 21:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-14 21:00 [Fwd: [Bug 3397] New: Network connections hang going through an OpenBSD firewall] Nivedita Singhvi
2004-09-14 21:06 ` Stephen Hemminger
2004-09-14 21:09 ` Vladimir
2004-09-14 21:19 ` David S. Miller [this message]
2004-09-14 21:39 ` Vladimir
2004-09-14 21:21 ` Nivedita Singhvi
2004-09-14 21:41 ` Tomasz Torcz
2004-09-14 21:45 ` Stephen Hemminger
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