From owner-freebsd-questions@FreeBSD.ORG Tue Nov 25 04:54:29 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 A34E616A4CE for ; Tue, 25 Nov 2003 04:54:29 -0800 (PST) Received: from lilith.bellavista.cz (lilith.bellavista.cz [213.235.167.218]) by mx1.FreeBSD.org (Postfix) with ESMTP id 95C8B43FDD for ; Tue, 25 Nov 2003 04:54:23 -0800 (PST) (envelope-from neuhauser@bellavista.cz) Received: from freepuppy.bellavista.cz (freepuppy.bellavista.cz [10.0.0.10]) by lilith.bellavista.cz (Postfix) with ESMTP id 8DFC628; Tue, 25 Nov 2003 13:54:20 +0100 (CET) Received: by freepuppy.bellavista.cz (Postfix, from userid 1001) id 09CAA2FDA01; Tue, 25 Nov 2003 13:54:20 +0100 (CET) Date: Tue, 25 Nov 2003 13:54:19 +0100 From: Roman Neuhauser To: Peter Ulrich Kruppa Message-ID: <20031125125419.GN340@freepuppy.bellavista.cz> Mail-Followup-To: Peter Ulrich Kruppa , freebsd-questions@freebsd.org References: <20031121161852.H28859@pukruppa.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031121161852.H28859@pukruppa.net> User-Agent: Mutt/1.5.4i 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: Tue, 25 Nov 2003 12:54:29 -0000 # root@pukruppa.de / 2003-11-21 16:35:59 +0100: > 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? maybe this will help: How does DNS work? http://cr.yp.to/djbdns/intro-dns.html The Big Picture http://www.lifewithdjbdns.org/#The%20Big%20Picture Case study: a firewalled office network http://cr.yp.to/djbdns/sample-office.html The importance of separating DNS caches from DNS servers http://cr.yp.to/djbdns/separation.html "content" and "proxy" DNS servers http://homepages.tesco.net/~J.deBoynePollard/FGA/dns-server-roles.html "primary" and "secondary" DNS servers http://homepages.tesco.net/~J.deBoynePollard/FGA/dns-database-replication.html -- If you cc me or remove the list(s) completely I'll most likely ignore your message. see http://www.eyrie.org./~eagle/faqs/questions.html