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Re: [tcpm] Beware the ordering of TCP options

Pekka Savola <pekkas@netcore.fi> Tue, 28 October 2008 06:21 UTC

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Date: Tue, 28 Oct 2008 08:21:07 +0200
From: Pekka Savola <pekkas@netcore.fi>
To: Adam Langley <agl@imperialviolet.org>
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Subject: Re: [tcpm] Beware the ordering of TCP options
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On Mon, 27 Oct 2008, Adam Langley wrote:
> On Mon, Oct 27, 2008 at 11:07 AM, Lars Eggert <lars.eggert@nokia.com> wrote:
>> Could you clarify if by "routers" you mean IP routers or cable/DSL modems?
>
> It's not clear. The only source of information that I have are the
> user bug reports listed above. Certainly some "consumer
> moderm"/NAT/wireless access point type of hardware broke. However,
> there were also a number of reports of Verizon DSL breaking with some
> diversity of consumer modems so it may be that something bigger broke
> there.

My guess would be a large percentage of routers (mainly in CPE market 
but maybe larger as well) which implement MSS inspection and clamping 
mechanisms.

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
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