From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Will RFC1146 (tcp alternative checksum options) be implemented in Linux tcp stack ? Date: 17 Oct 2007 02:29:37 +0200 Message-ID: References: <887901.30138.qm@web55205.mail.re4.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Yanping Du Return-path: Received: from ns1.suse.de ([195.135.220.2]:41979 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753615AbXJQA3j (ORCPT ); Tue, 16 Oct 2007 20:29:39 -0400 In-Reply-To: <887901.30138.qm@web55205.mail.re4.yahoo.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Yanping Du writes: > We found the standard 16-bit tcp checksum is not > strong enough in some cases. Is there any roadmap on > implementing RFC1146 (tcp alternative checksum > options) in Linux tcp stack ? The standard way to solve this problem is to either use SSL or IPSec. They both use very strong checksums and are widely supported unlike this obscure old RFC. -Andi