From owner-freebsd-isp Fri Sep 29 17: 4:28 2000 Delivered-To: freebsd-isp@freebsd.org Received: from bsdie.rwsystems.net (bsdie.rwsystems.net [209.197.223.2]) by hub.freebsd.org (Postfix) with ESMTP id 9BA4637B502; Fri, 29 Sep 2000 17:04:24 -0700 (PDT) Received: from bsdie.rwsystems.net([209.197.223.2]) (2096 bytes) by bsdie.rwsystems.net via sendmail with P:esmtp/R:bind_hosts/T:inet_zone_bind_smtp (sender: ) id for ; Fri, 29 Sep 2000 18:47:14 -0500 (CDT) (Smail-3.2.0.111 2000-Feb-17 #1 built 2000-Jun-25) Date: Fri, 29 Sep 2000 18:47:13 -0500 (CDT) From: James Wyatt To: Alan Clegg Cc: freebsd-questions@FreeBSD.ORG, freebsd-isp@FreeBSD.ORG Subject: Re: DNS: having domain1.com and domain1.net point to the same IP. In-Reply-To: <20000929155828.D21988@diskfarm.firehouse.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, 29 Sep 2000, Alan Clegg wrote: > Unless the network is lying to me again, James Wyatt said: > > Wow, reverse lookups only match some of the time?!?! I may be off-base > > again, but I thought a lot of things wanted reverse host entries that > > matched exactly for security verification. I read your last comment, but > > want to know what folks think would really happen. - Jy@ > > It used to be that lots of things depended on this, but, with the advent > of the clueless internet, people have had to turn off this test. I remember > when ftp.uu.net required you to have matching forward and inverse DNS. > > Long gone are those days. > > Yes, _some_ things still require you to have working DNS, but the inability > for providers to get simple things working _right_ has brought the network > to a state of extreme apathy. Most servers and protocols don't seem to have those annoying DNS lookup timeouts any more (Why is telnet hanging ... oh. nuts!), but I know a *lot* of SMTP gateways are more careful to avoid Spam relaying. (Ours are a lot more careful than they were. Grrrr.) > When the response by the ISP in the wrong is "well, you are one of very few > people that my clients can't talk to, so you must be broken", and that is > the line that they are feeding their clients, what are you to do? "The bland leading the blind", eh? (^_^) Take care - Jy@ btw: Have we generated enough mail on this subject yet? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message