From owner-freebsd-security Fri Jan 31 17: 1:48 2003 Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8E7A037B401 for ; Fri, 31 Jan 2003 17:01:46 -0800 (PST) Received: from lariat.org (lariat.org [63.229.157.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id A18E943E4A for ; Fri, 31 Jan 2003 17:01:45 -0800 (PST) (envelope-from brett@lariat.org) Received: from mustang.lariat.org (IDENT:ppp1000.lariat.org@lariat.org [63.229.157.2]) by lariat.org (8.9.3/8.9.3) with ESMTP id SAA27600; Fri, 31 Jan 2003 18:01:27 -0700 (MST) X-message-flag: Warning! Use of Microsoft Outlook renders your system susceptible to Internet worms. Message-Id: <4.3.2.7.2.20030131175641.0290b720@localhost> X-Sender: brett@localhost X-Mailer: QUALCOMM Windows Eudora Version 4.3.2 Date: Fri, 31 Jan 2003 17:58:03 -0700 To: Ralph Dratman , freebsd-security@FreeBSD.ORG From: Brett Glass Subject: Re: SSHD suddenly takes SIX MINUTES to authenticate In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org At 04:09 PM 1/31/2003, Ralph Dratman wrote: >Suddenly I cannot SSH to one of my FreeBSD servers. This is true from >every SSH client on every computer I've tried. My sshd setup had worked >fine for several years until just yesterday. I am now getting "Timeout >before authentication" errors in the system log. I can SSH normally to >other hosts. Sounds like a DNS problem. Sendmail also starts up slowly or hangs when there's no DNS. Relying on DNS to work is a bug, since it can compound problems during network outages. --Brett To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message