linux-kernel - Re: [PATCH] Add IPv6 support to TCP SYN cookies

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Message-ID: <20080205220510.09258826@core>
Date:	Tue, 5 Feb 2008 22:05:10 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Glenn Griffin <ggriffin.kernel@...il.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add IPv6 support to TCP SYN cookies

> SACK is actually a good idea for mobile devices, so preventing
> syncookies from not getting into account some options (btw, does it work
> with timestamps and PAWS?) is not a solution.

Syncookies only get used at the point where the alternative is failure.
No SACK beats a DoS situation most days
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