From owner-freebsd-questions@FreeBSD.ORG Sat Nov 26 15:44:33 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E72F4106566B for ; Sat, 26 Nov 2011 15:44:33 +0000 (UTC) (envelope-from moritz@wzff.de) Received: from barfooze.de (unknown [IPv6:2a01:4f8:7d:200:0:4e2e:75d4:1]) by mx1.freebsd.org (Postfix) with ESMTP id 8D0B28FC16 for ; Sat, 26 Nov 2011 15:44:33 +0000 (UTC) Received: from localhost.localdomain ([127.0.0.1] helo=barfooze.de) by barfooze.de with smtp (Exim 4.76) (envelope-from ) id 1RUKQQ-0001zL-QM for freebsd-questions@freebsd.org; Sat, 26 Nov 2011 16:44:32 +0100 Date: Sat, 26 Nov 2011 16:44:22 +0100 From: Moritz Wilhelmy To: freebsd-questions@freebsd.org Message-ID: <20111126154422.GR16096@barfooze.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Subject: Disable automatic "Fallback" IP on 9.0-RC2 when a hostname cannot be resolved 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, 26 Nov 2011 15:44:34 -0000 Hello, my 9.0-RC2 installation on furnace.wzff.de keeps connecting to wzff.de if a hostname cannot be resolved. E.g. telnet foobar 25 connects me to the SMTP server on wzff.de, same thing for another jail that uses a subdomain of barfooze.de and tries to connect to barfooze.de if it can't find a suitable DNS or /etc/hosts record. I dislike when computers try to be smart like this, and I can't really think how this is useful, and it also doesn't happen on another machine that has a subdomain of something set as hostname and is running 8.2, so I want to disable it. Can anyone give me a hint how to do it? If you can't, which of the numerous mailing lists would be the right one to contact in this case? This is 9.0-RC2 on amd64, last updated 2011-11-09. Best regards, Moritz