From owner-freebsd-isp Tue Nov 18 09:56:30 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id JAA09346 for isp-outgoing; Tue, 18 Nov 1997 09:56:30 -0800 (PST) (envelope-from owner-freebsd-isp) Received: from mail.commlitho.com (zeus.commlitho.com [207.254.73.4]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id JAA09337 for ; Tue, 18 Nov 1997 09:56:25 -0800 (PST) (envelope-from patb@commlitho.com) Received: from [207.254.73.18] by mail.commlitho.com (SMTPD32-3.02) id A6B9FB012E; Tue, 18 Nov 1997 10:56:09 -0700 Message-Id: <3.0.5.32.19971118105610.007ed860@commlitho.com> X-Sender: patb@commlitho.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Tue, 18 Nov 1997 10:56:10 -0700 To: "John Brown" , From: Patrick Burm Subject: Re: DNS Reverse Lookup In-Reply-To: <01bcf443$a865a0b0$3e01017d@is01.vafibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Have you checked the status of the in-addr.arpa for your class c(s)? You may find that your backbone is primary for it and is not loading any information, so when outsiders do reverse they get nothing, but insiders get the info, because you are claiming to be primary. At 12:01 PM 11/18/97 -0500, John Brown wrote: >I have made an attempt to establish the ability to do reverse lookups on my >DNS server and when I use nslookup to check my ip to name resolution it >appears to work correctly. > >When My users attempt to download anything that requires reverse DNS >authentication (Like the 128 bit encryption stuff) they are being denied >because the ip cannot be associated with a name. > >Any Ideas on how I make this work, or a place that will has DNS related >examples. > >Am I not able to use nslookup to check my reverse lookups?