From: Redeeman <lkml@metanurb.dk>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: "David S. Miller" <davem@redhat.com>, bert hubert <ahu@ds9a.nl>,
Arnaldo Carvalho de Melo <acme@conectiva.com.br>,
netdev@oss.sgi.com, alessandro.suardi@oracle.com,
phyprabab@yahoo.com, linux-net@vger.kernel.org,
LKML Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] fix tcp_default_win_scale.
Date: Wed, 07 Jul 2004 01:19:25 +0200 [thread overview]
Message-ID: <1089155965.15544.9.camel@localhost> (raw)
In-Reply-To: <20040706114741.1bf98bbe@dell_ss3.pdx.osdl.net>
On Tue, 2004-07-06 at 11:47 -0700, Stephen Hemminger wrote:
> Recent TCP changes exposed the problem that there ar lots of really broken firewalls
> that strip or alter TCP options.
> When the options are modified TCP gets busted now. The problem is that when
> we propose window scaling, we expect that the other side receives the same initial
> SYN request that we sent. If there is corrupting firewalls that strip it then
> the window we send is not correctly scaled; so the other side thinks there is not
> enough space to send.
>
> I propose that the following that will avoid sending window scaling that
> is big enough to break in these cases unless the tcp_rmem has been increased.
> It will keep default configuration from blowing in a corrupt world.
so this should fix the issues? can you also tell me why this suddenly happend? that would make me a real happy man
> Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
> -
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next prev parent reply other threads:[~2004-07-06 23:19 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <32886.63.170.215.71.1088564087.squirrel@www.osdl.org>
[not found] ` <20040629222751.392f0a82.davem@redhat.com>
[not found] ` <20040630152750.2d01ca51@dell_ss3.pdx.osdl.net>
[not found] ` <20040630153049.3ca25b76.davem@redhat.com>
2004-07-01 20:37 ` [PATCH] TCP acts like it is always out of memory Stephen Hemminger
2004-07-01 21:04 ` David S. Miller
2004-07-02 1:32 ` Arnaldo Carvalho de Melo
2004-07-06 9:35 ` analysis of TCP window size issues still around - several reports / SACK involved? bert hubert
2004-07-06 18:47 ` [PATCH] fix tcp_default_win_scale Stephen Hemminger
2004-07-06 19:40 ` Jamie Lokier
2004-07-06 20:05 ` Stephen Hemminger
2004-07-06 20:28 ` David S. Miller
2004-07-06 20:36 ` Stephen Hemminger
2004-07-06 20:35 ` David S. Miller
2004-07-06 21:55 ` John Heffner
2004-07-06 22:50 ` David S. Miller
2004-07-07 1:32 ` John Heffner
2004-07-06 23:01 ` PLS help fix: recent 2.6.7 won't connect to anything " bert hubert
2004-07-06 20:12 ` David S. Miller
2004-07-06 22:44 ` bert hubert
2004-07-06 22:49 ` David S. Miller
2004-07-07 18:06 ` Stephen Hemminger
2004-07-07 19:31 ` Jamie Lokier
2004-07-07 19:38 ` bert hubert
2004-07-07 19:41 ` John Heffner
2004-07-09 23:14 ` David S. Miller
2004-07-06 20:00 ` Nivedita Singhvi
2004-07-06 20:16 ` David S. Miller
2004-07-06 20:26 ` David Ford
[not found] ` <20040706185856.GN18841@lug-owl.de>
2004-07-06 20:17 ` David S. Miller
2004-07-06 20:31 ` Stephen Hemminger
2004-07-06 20:33 ` David S. Miller
2004-07-06 20:24 ` David S. Miller
2004-07-06 23:16 ` Andi Kleen
2004-07-07 7:50 ` Chris Wedgwood
2004-07-06 23:19 ` Redeeman [this message]
2004-07-07 19:47 ` John Heffner
2004-07-06 20:19 ` analysis of TCP window size issues still around - several reports / SACK involved? David S. Miller
2004-07-06 20:27 ` bert hubert
2004-07-06 20:31 ` David S. Miller
2004-07-07 21:25 ` Alessandro Suardi
2004-07-06 20:35 [PATCH] fix tcp_default_win_scale Tim Berti
2004-07-06 20:54 ` David Ford
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