From owner-freebsd-hackers Wed Jan 15 17:18:34 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id RAA14509 for hackers-outgoing; Wed, 15 Jan 1997 17:18:34 -0800 (PST) Received: from DNS.Lamb.net (root@DNS.Lamb.net [207.90.181.1]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id RAA14501 for ; Wed, 15 Jan 1997 17:18:31 -0800 (PST) Received: from Gatekeeper.Lamb.net (ulf@gatekeeper.Lamb.net [207.90.181.2]) by DNS.Lamb.net (8.8.4/8.8.2) with ESMTP id RAA15781; Wed, 15 Jan 1997 17:31:45 -0800 (PST) Received: (from ulf@localhost) by Gatekeeper.Lamb.net (8.8.4/8.7.6) id RAA03491; Wed, 15 Jan 1997 17:17:37 -0800 (PST) From: Ulf Zimmermann Message-Id: <199701160117.RAA03491@Gatekeeper.Lamb.net> Subject: Re: Underscore in domainname? To: mrcpu@cdsnet.net (Jaye Mathisen) Date: Wed, 15 Jan 1997 17:17:37 -0800 (PST) Cc: hackers@FreeBSD.ORG In-Reply-To: from Jaye Mathisen at "Jan 15, 97 04:04:15 pm" X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > > I'm using squid as a proxy server under FreeBSD-current, and a few of our > users are having trouble wiht www.mcafee.com, which is a CNAME for > sc_axp2.mcafee.com. > > > The _ is apparently causing the problem, as other hosts with _'s kill > squid as well. BIND seems to think that anybody with an _ in their name > is bogus, or at least, no response is ever authoritative. > > (I'm using BIND 4.9.5 on my main nameserver). > > If I had a better way to narrow this down, I would. Any tip appreciated. _ is not an allowed character for domain names. Bind 4.9.4 and up are enforcing this rule. You can change this behavior. Look for check-names in your man page. Ulf. -------------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net