From owner-freebsd-questions Sun Apr 1 19:27: 0 2001 Delivered-To: freebsd-questions@freebsd.org Received: from xena.gsicomp.on.ca (cr677933-a.ktchnr1.on.wave.home.com [24.43.230.149]) by hub.freebsd.org (Postfix) with ESMTP id 5833237B718 for ; Sun, 1 Apr 2001 19:26:57 -0700 (PDT) (envelope-from matt@gsicomp.on.ca) Received: from hermes (hermes.gsicomp.on.ca [192.168.0.18]) by xena.gsicomp.on.ca (8.11.1/8.11.3) with SMTP id f322P6531737; Sun, 1 Apr 2001 22:25:07 -0400 (EDT) (envelope-from matt@gsicomp.on.ca) Message-ID: <006b01c0bb1c$685b5bb0$1200a8c0@gsicomp.on.ca> From: "Matthew Emmerton" To: "Randall Hopper" , "Andrew C. Hornback" Cc: "FreeBSD Questions" References: <20010401191551.A9281@nc.rr.com> <00f501c0bb13$2f4e3080$0e00000a@tomcat> <20010401214448.A12012@nc.rr.com> Subject: Re: ARG!!! 450 Client host rejected: cannot find your hostnam Date: Sun, 1 Apr 2001 22:27:03 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > |And what do you tell users when they try to use sites that require 128 bit > |encryption and that encryption level requires proper resolution of the > |address forward and backward? "Oh, we don't support that, it's not > |important..." ? I can hear a herd of users running for other ISPs... > > Ok, you've perked my interest. What does reverse DNS lookup have to do > with 128-bit encryption. You may be implying a specific form of encryption > (IPsec or something?). I use 128-bit/1024-bit encryption in my e-mail > daily, without reverse DNS ;-) Many SSL-enabled sites will refuse to connect with clients who have IPs without proper reverse-DNS entries. I can't say why, all I know is that from personal experience, *and* from working with the tech support people at an ISP I used to work for, this was a real big problem. -- Matt Emmerton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message