From owner-freebsd-questions@FreeBSD.ORG Wed Mar 3 10:57:30 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2EAE416A4D6 for ; Wed, 3 Mar 2004 10:57:30 -0800 (PST) Received: from dc.cis.okstate.edu (dc.cis.okstate.edu [139.78.100.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id DC23643D2D for ; Wed, 3 Mar 2004 10:57:29 -0800 (PST) (envelope-from martin@dc.cis.okstate.edu) Received: from dc.cis.okstate.edu (localhost.cis.okstate.edu [127.0.0.1]) by dc.cis.okstate.edu (8.12.6/8.12.6) with ESMTP id i23IvSOf024340; Wed, 3 Mar 2004 12:57:28 -0600 (CST) (envelope-from martin@dc.cis.okstate.edu) Message-Id: <200403031857.i23IvSOf024340@dc.cis.okstate.edu> To: Charles Swiger , freebsd-questions@freebsd.org Date: Wed, 03 Mar 2004 12:57:28 -0600 From: Martin McCormick Subject: Re: Can Not ping Hosts by name when Underscores are Present. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Mar 2004 18:57:30 -0000 Thank you very much. I run our domain name servers and this fits what I suspected was going on. bind Version 9 stopped checking names for illegal characters and I usually try to discourage people from using them in names, but I thought I had better check to make sure there wasn't something else afoot before shooting my mouth off. Martin McCormick Charles Swiger writes: >That sounds about right. nslookup is a testing utility which allows >one to query RRs for string you want, including ones which correspond >to invalid hostnames. > >The underscore is not allowed in Internet hostnames-- see RFC-952 and >-1123. > >-- >-Chuck >