From owner-freebsd-net@FreeBSD.ORG Sat Jun 6 02:14:53 2009 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 352C2106564A for ; Sat, 6 Jun 2009 02:14:53 +0000 (UTC) (envelope-from edwin@mavetju.org) Received: from k7.mavetju.org (ppp113-58.static.internode.on.net [150.101.113.58]) by mx1.freebsd.org (Postfix) with ESMTP id E099A8FC08 for ; Sat, 6 Jun 2009 02:14:52 +0000 (UTC) (envelope-from edwin@mavetju.org) Received: by k7.mavetju.org (Postfix, from userid 1001) id B318045093; Sat, 6 Jun 2009 12:14:51 +1000 (EST) Date: Sat, 6 Jun 2009 12:14:51 +1000 From: Edwin Groothuis To: Randy Bush Message-ID: <20090606021451.GC3235@mavetju.org> References: <20090605124428.GA85576@mavetju.org> <20090605234242.GA3235@mavetju.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i Cc: freebsd-net@FreeBSD.org Subject: Re: NTP - default /etc/ntp.conf X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Jun 2009 02:14:53 -0000 On Sat, Jun 06, 2009 at 11:01:53AM +0900, Randy Bush wrote: > > I have "server 0.pool.ntp.org" in my NTP configuration, which still > > only gives me one NTP server in its internals ("dig 0.pool.ntp.org" > > gives me five answers, "ntpq -p" gives me one server). Having the > > "server 0.pool.ntp.org" in my configuration twice will give it two > > NTP servers in its internals. So every hostname gives a different > > NTP server IP address. > > i believe that you may relying on a behavior of a dns resolver which is > not specified While it might not be specified, it is being observed and therefore an issue when we want to restrict traffic specified by hostname. Edwin -- Edwin Groothuis Website: http://www.mavetju.org/ edwin@mavetju.org Weblog: http://www.mavetju.org/weblog/