From owner-freebsd-net@FreeBSD.ORG Wed Sep 3 18:01:36 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8C0E4107C1B9 for ; Wed, 3 Sep 2008 18:01:36 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [64.7.153.18]) by mx1.freebsd.org (Postfix) with ESMTP id 546C98FC1B for ; Wed, 3 Sep 2008 18:01:36 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost1.sentex.ca (8.14.2/8.14.2) with ESMTP id m83I1YYV076854 for ; Wed, 3 Sep 2008 14:01:34 -0400 (EDT) (envelope-from mike@sentex.net) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.13.8/8.13.3) with ESMTP id m83I1Xwb059692 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 3 Sep 2008 14:01:33 -0400 (EDT) (envelope-from mike@sentex.net) Message-Id: <200809031801.m83I1Xwb059692@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Wed, 03 Sep 2008 14:01:26 -0400 To: freebsd-net@freebsd.org From: Mike Tancsa In-Reply-To: <200809031328.m83DSkfE058566@lava.sentex.ca> References: <7.1.0.9.0.20080822120541.1122fba0@sentex.net> <200809031328.m83DSkfE058566@lava.sentex.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Scanned-By: MIMEDefang 2.64 on 64.7.153.18 Subject: Re: strange TCP issue on RELENG_7 (probably solved) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Sep 2008 18:01:36 -0000 At 09:28 AM 9/3/2008, Mike Tancsa wrote: >At 01:19 PM 8/22/2008, Mike Tancsa wrote: >>On one of our sendmail boxes that we are running RELENG_7, we have >>noticed an odd issue triggered or noticed by our monitoring system >>(bigbrother in this case). The seems to have been happening ever >>since we installed it, so its not a recent commit issue. > > >Just following up, I am still seeing this issue on a recent stable >from sept 2. (a sendmail box periodically sending an RST after >successful 3way handshake) OK, I think we might have found the issue. On the RELENG_7 box, the mc file didnt have define(`confCONNECTION_RATE_THROTTLE', `40')dnl which the other sendmail boxes have! Hopefully thats all it was and if so, sorry for the noise! ---Mike