From owner-freebsd-questions@FreeBSD.ORG Sat Jan 27 23:59:49 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CF6D716A410 for ; Sat, 27 Jan 2007 23:59:49 +0000 (UTC) (envelope-from wmoran@collaborativefusion.com) Received: from mx00.pub.collaborativefusion.com (mx00.pub.collaborativefusion.com [206.210.89.199]) by mx1.freebsd.org (Postfix) with ESMTP id 7D9EB13C4B2 for ; Sat, 27 Jan 2007 23:59:49 +0000 (UTC) (envelope-from wmoran@collaborativefusion.com) Received: from working (c-71-60-174-60.hsd1.pa.comcast.net [71.60.174.60]) (AUTH: LOGIN wmoran, TLS: TLSv1/SSLv3,256bits,AES256-SHA) by wingspan with esmtp; Sat, 27 Jan 2007 18:59:48 -0500 id 00056412.45BBE774.00012F82 Date: Sat, 27 Jan 2007 18:59:47 -0500 From: Bill Moran To: "Jonathan Horne" Message-Id: <20070127185947.5f94eb2f.wmoran@collaborativefusion.com> In-Reply-To: <1488.192.168.125.138.1169936019.squirrel@webmail.dfwlp.org> References: <1488.192.168.125.138.1169936019.squirrel@webmail.dfwlp.org> Organization: Collaborative Fusion Inc. X-Mailer: Sylpheed version 2.2.10 (GTK+ 2.10.6; i386-portbld-freebsd6.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: brand new server timing out for sshd connections X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Jan 2007 23:59:49 -0000 "Jonathan Horne" wrote: > > i have a brand new server i just configured, and most of the time the > inbound connection to sshd times out. (connection refused). a few times > tho, it works fine, but after a short while, it will kick me back off. > > system is based on nvidia chipsets, with the nve0 nic driver. we switched > in a re0 to see if that helped, but its getting the same behavior. > > server is connected to a small linksys 8 port switch that is fairly new. > > i would uname, but at this moment im unable to get into it, it keeps > refusing me. other things seem to work fine, but smtp seems to be > affected by this same problem as well. > > hmm, dns is on an active directory DNS server, could this be the crappy > version of the AAA records? im pretty much otherwise at a loss why this > system isnt behaving nicely. The symptoms sound a lot like DNS issues. Try using the host command to do a few forward and reverse lookups on machines that you're trying to connect from. If they take a long time, that's likely the problem. -Bill