From owner-freebsd-questions Thu Feb 9 19:26:02 1995 Return-Path: questions-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id TAA28059 for questions-outgoing; Thu, 9 Feb 1995 19:26:02 -0800 Received: from hp.com (hp.com [15.255.152.4]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id TAA28052 for ; Thu, 9 Feb 1995 19:26:00 -0800 Received: from hpautow.aus.hp.com by hp.com with SMTP (1.37.109.14/15.5+ECS 3.3) id AA058536751; Thu, 9 Feb 1995 19:25:51 -0800 Message-Id: <199502100325.AA058536751@hp.com> Received: by hpautow.aus.hp.com (1.38.193.4/16.2) id AA15550; Fri, 10 Feb 1995 14:24:30 +1100 From: "M.C Wong" Subject: Re: DNS selection at user level To: nate@trout.sri.MT.net (Nate Williams) Date: Fri, 10 Feb 1995 14:24:29 EDT Cc: mcw@hpato.aus.hp.com, freebsd-questions@freefall.cdrom.com In-Reply-To: <199502100304.UAA14305@trout.sri.MT.net>; from "Nate Williams" at Feb 9, 95 8:04 pm X-Mailer: Elm [revision: 109.14.c] Sender: questions-owner@FreeBSD.org Precedence: bulk > > > Just wonder if there is an environment variable/way for selecting > > default DNS server at user level without having to update /etc/resolv.conf ? > > Preferably something that can manipulate a local workstation to > > resolve host and domain names at run-time control, including order of > > the DNS servers to be queried etc. > > There would be too many ways to completely break security this way. Say > you have a machine that exports it's file-systems with root access to a > specific machine. All you need to do is provide a DNS server that you > setup which responds that your machine is the trusted machine. But isn't this spoofing can be guarded against with firewall thing, or it can't for nfs ? > > There are many other ways which could cause these sorts of problems. > > > > Nate > > -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ M.C Wong Email: mcw@hpato.aus.hp.com Australian Telecom Operation Voice: +61 3 272 8058 Hewlett-Packard Australia Ltd Fax: +61 3 898 9257 31 Joseph St, Blackburn 3130, Australia OS: FreeBSD-1.1.5.1 http://hpautow.aus.hp.com:9999/~mcw/mcw.html (or http://hpautorf/~mcw)