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SubjectRe: 2.6.7-mm1 - 2.6.7-mm4 weird http behavior
On Wed, 30 Jun 2004, David S. Miller wrote:

> On Wed, 30 Jun 2004 10:04:52 +0200
> Debi Janos <debi.janos@freemail.hu> wrote:
>
> > 2004-06-29, k keltezéssel 23:36-kor John Heffner ezt írta:
> >
> > > Sigh. I ran in to this problem a year or so ago and it was a broken
> > > firewall that was mangling the TCP window scale option. I think the
> > > firewall was an OpenBSD machine, and I was told the problem went away with
> > > an upgrade. I'm curious what they're running here.
> > >
> > > The boundary 3 is special because it causes SWS avoidance to break.
> > >
> > > -John
> >
> > hmm. interesting. my server sits behind an openbsd packet filter... , but the gentoo's machines uses iptables firewall...
>
> Sounds like the firewall at your end is what might be causing the
> problems.


I'm having the same problem connecting to gentoo's machines with no
firewall on my end. This happens with new kernels with the
default_win_scale set >3, or on old kernels with tcp_rmem[1] > ~700k.

-John

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