From owner-freebsd-questions@FreeBSD.ORG Fri Nov 21 17:48:02 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 924E916A4CE for ; Fri, 21 Nov 2003 17:48:02 -0800 (PST) Received: from ms-smtp-02-eri0.southeast.rr.com (ms-smtp-02-lbl.southeast.rr.com [24.25.9.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 86BDB43FBF for ; Fri, 21 Nov 2003 17:48:01 -0800 (PST) (envelope-from wegster@mindcore.net) Received: from mindcore.net (rdu163-100-105.nc.rr.com [24.163.100.105]) hAM1m0NW009734; Fri, 21 Nov 2003 20:48:00 -0500 (EST) Message-ID: <3FBEC04F.5070401@mindcore.net> Date: Fri, 21 Nov 2003 20:47:59 -0500 From: Scott W User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5) Gecko/20031007 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Peter Ulrich Kruppa References: <20031121161852.H28859@pukruppa.net> In-Reply-To: <20031121161852.H28859@pukruppa.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-questions@freebsd.org Subject: Re: Static IP and fully qualified domain names X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 Nov 2003 01:48:02 -0000 Peter Ulrich Kruppa wrote: >Hi! > >This question is inspired by a recent mail on this list. > >My ISP was so nice to give me a domain name (pukruppa.net) and >assign it statically to an IP (213.146.114.24). >[So now everybody in the world can telnet pukruppa.net and crack >my private machine :-) ] > >>From reading manuals one should think, that now I could give my >machines names like one.pukruppa.net, two.pukruppa.net, etc... >and all these would be reachable via internet - but they aren't. >The only one that can be accessed is pukruppa.net . > >How comes this? > > >Regards, > >Uli. > > > The short answer is that you only have a single IP address assigned, and as you are not authoritative for DNS records for pukruppa.net, you are unable to 'subdivide' or use any more IP addresses, which would be required to add additional hostnames. type: dig pukruppa.net at your freebsd prompt to see what I mean, note the AUTHORITY section... Scott