Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762604AbYBEWNX (ORCPT ); Tue, 5 Feb 2008 17:13:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760893AbYBEWNK (ORCPT ); Tue, 5 Feb 2008 17:13:10 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:42885 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1760745AbYBEWNI (ORCPT ); Tue, 5 Feb 2008 17:13:08 -0500 Date: Tue, 5 Feb 2008 22:05:10 +0000 From: Alan Cox To: Evgeniy Polyakov Cc: Andi Kleen , Glenn Griffin , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Add IPv6 support to TCP SYN cookies Message-ID: <20080205220510.09258826@core> In-Reply-To: <20080205215216.GB24275@2ka.mipt.ru> References: <47a79d64.16538c0a.5b6a.ffffb0fe@mx.google.com> <20080205155558.GA23145@one.firstfloor.org> <20080205200211.GA26150@one.firstfloor.org> <20080205203911.GA9891@2ka.mipt.ru> <20080205212017.5db50114@core> <20080205215216.GB24275@2ka.mipt.ru> X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 546 Lines: 11 > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/