From owner-freebsd-hackers Wed Jan 15 19:13:15 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id TAA22760 for hackers-outgoing; Wed, 15 Jan 1997 19:13:15 -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 TAA22753 for ; Wed, 15 Jan 1997 19:13:14 -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 TAA16004; Wed, 15 Jan 1997 19:26:29 -0800 (PST) Received: (from ulf@localhost) by Gatekeeper.Lamb.net (8.8.4/8.7.6) id TAA04066; Wed, 15 Jan 1997 19:12:19 -0800 (PST) From: Ulf Zimmermann Message-Id: <199701160312.TAA04066@Gatekeeper.Lamb.net> Subject: Re: Underscore in domainname? To: sysadmin@mcafee.com Date: Wed, 15 Jan 1997 19:12:19 -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 Hello Sysadmin at McAfee. Please read RFC 1035, RFC 1123 and RFC 1912. Your hostname with an underscore breaks things and is not an allowed character for DNS names. Regards, Ulf. > > > 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. > > -------------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net