From: David Miller <davem@davemloft.net>
To: shemminger@osdl.org
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tcp: limit window scaling if window is clamped
Date: Fri, 18 Aug 2006 17:00:30 -0700 (PDT) [thread overview]
Message-ID: <20060818.170030.74563682.davem@davemloft.net> (raw)
In-Reply-To: <20060818102938.5abc1bcf@dxpl.pdx.osdl.net>
From: Stephen Hemminger <shemminger@osdl.org>
Date: Fri, 18 Aug 2006 10:29:38 -0700
> This small change allows for easy per-route workarounds for broken hosts or
> middleboxes that are not compliant with TCP standards for window scaling.
> Rather than having to turn off window scaling globally. This patch allows
> reducing or disabling window scaling if window clamp is present.
>
> Example: Mark Lord reported a problem with 2.6.17 kernel being unable to
> access http://www.everymac.com
>
> # ip route add 216.145.246.23/32 via 10.8.0.1 window 65535
>
> I would argue this ought to go in stable kernel as well.
>
> Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
I want to think about this some more, it might have unintended
consequences. I really am not all that thrilled about putting in
workaround for this problem especially if it hurts a legitimate use of
some kind.
next prev parent reply other threads:[~2006-08-19 0:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-18 17:29 Stephen Hemminger
2006-08-19 0:00 ` David Miller [this message]
2006-08-19 3:03 ` Stephen Hemminger
2006-08-22 7:07 ` David Miller
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