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From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
To: netfilter@lists.netfilter.org
Subject: Re: strange behaviour
Date: Mon, 26 Feb 2007 16:34:56 +0100	[thread overview]
Message-ID: <45E2FE20.90701@plouf.fr.eu.org> (raw)
In-Reply-To: <1172502565.4265.118.camel@anduril.intranet.cartel-securite.net>

Cedric Blancher a écrit :
> 
>    iptables -t mangle -A FORWARD -o ppp0 -j TCPMSS --clamp-mss-to-pmtu

TCPMSS works only on TCP packets with the SYN flag set, so the options 
"-p tcp --tcp-flags SYN,RST SYN" are required.
Also, wouldn't it be useful to do it in both directions to avoid 
fragmentation if host (b) does not use path MTU discovery ?


  reply	other threads:[~2007-02-26 15:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-26 12:45 strange behaviour angico
2007-02-26 13:03 ` Askar Ali
2007-02-26 13:23   ` Silvio Fonseca
2007-02-26 14:53 ` Pascal Hambourg
2007-02-26 15:09   ` Cedric Blancher
2007-02-26 15:34     ` Pascal Hambourg [this message]
2007-02-26 16:18       ` Cedric Blancher
2007-02-26 17:43         ` Pascal Hambourg
2007-02-27  8:55           ` Cedric Blancher
  -- strict thread matches above, loose matches on Subject: below --
2007-02-26 16:21 angico
2007-02-28 17:36 ` Martijn Lievaart
2007-02-26 15:35 angico
2007-02-26 16:07 ` Cedric Blancher
2002-12-10  4:48 Strange behaviour Arindam Haldar

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