From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Dykstra Subject: Re: TCP MD5 connections get stuck with IPV6 mapped listener Date: Thu, 16 Jul 2009 02:40:21 +0000 Message-ID: <1247712021.7129.29.camel@Maple> References: <20090715121119.12fc69e5@s6510> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Adam Langley , netdev@vger.kernel.org To: Stephen Hemminger Return-path: Received: from mail-px0-f185.google.com ([209.85.216.185]:62815 "EHLO mail-px0-f185.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757057AbZGPCkY (ORCPT ); Wed, 15 Jul 2009 22:40:24 -0400 Received: by pxi15 with SMTP id 15so1880551pxi.33 for ; Wed, 15 Jul 2009 19:40:24 -0700 (PDT) In-Reply-To: <20090715121119.12fc69e5@s6510> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2009-07-15 at 12:11 -0700, Stephen Hemminger wrote: > While investigating some TCP MD5 issues, with BGP, broke things > up into a simple test program found that > if server is listening on IPV6 for TCP with MD5 key > and client connects with IPV4 MD5 key, the connection gets stuck after > the initial SYN-SENT, SYN-ACK. Stephen, I put a patch out on a separate thread "[PATCH] tcp: Fix MD5 signature checking on IPv4 mapped sockets." I tested the obvious cases using your excellent tool, but I don't have the infrastructure for complete testing. I expect you do. -- John Dykstra voice: +1 651 484-1098 Yahoo IM: jdykstra72 LinkedIn: http://www.linkedin.com/in/JohnDykstra Blog: http://johndykstra.blogspot.com/