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From: Daniel Gibson <metalcaedes@gmail.com>
To: netfilter-devel@vger.kernel.org
Cc: Nepenthes Development Team <nepenthesdev@gmail.com>,
	Jan Engelhardt <jengelh@medozas.de>
Subject: Re: TCPMSS clamp-mss-to-pmtu breaks packets that have no MSS set (incl. solution)
Date: Mon, 23 Aug 2010 03:45:02 +0200	[thread overview]
Message-ID: <4C71D29E.9010404@gmail.com> (raw)
In-Reply-To: <AANLkTim=BLAwLo_VXG1OJ=4ewL2joS_HyGh3SbW6KutC@mail.gmail.com>

Nepenthes Development Team schrieb:
> Hi,
> 
> On Mon, Aug 2, 2010 at 5:16 PM, Jan Engelhardt <jengelh@medozas.de> wrote:
>> If a packet has no MSS option, none will be added no more.
>> (commit v2.6.34-rc1~233^2~154^2~44)
> 
> git log -1 -p v2.6.34-rc1~233^2~154^2~44
> 
> I found some changes to prevent setting an MSS if the SYN packet has a
> payload already, and to prevent it from increasing the MSS, but
> nothing to prevent if from setting the MSS if there was no MSS set
> before.
> 
> The code to add an MSS option if none exists still exists,
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=net/netfilter/xt_TCPMSS.c;h=62ec021fbd50ddd278da5f9f53756587d83fb786;hb=HEAD#l116
> 
> 
> Markus
> --

Hi,

any news on this?

- Daniel

      reply	other threads:[~2010-08-23  1:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-30  1:01 TCPMSS clamp-mss-to-pmtu breaks packets that have no MSS set (incl. solution) Daniel Gibson
2010-08-02 15:16 ` Jan Engelhardt
2010-08-03  7:29   ` Nepenthes Development Team
2010-08-23  1:45     ` Daniel Gibson [this message]

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