From owner-freebsd-questions Fri May 4 7:17: 9 2001 Delivered-To: freebsd-questions@freebsd.org Received: from buffnet4.buffnet.net (buffnet4.buffnet.net [205.246.19.13]) by hub.freebsd.org (Postfix) with ESMTP id ECFFC37B422 for ; Fri, 4 May 2001 07:17:06 -0700 (PDT) (envelope-from shovey@buffnet.net) Received: from buffnet11.buffnet.net (buffnet11.buffnet.net [205.246.19.55]) by buffnet4.buffnet.net (8.9.3/8.8.7) with ESMTP id KAA66652; Fri, 4 May 2001 10:22:10 -0400 (EDT) (envelope-from shovey@buffnet.net) Date: Fri, 4 May 2001 10:16:53 -0400 (EDT) From: Stephen Hovey To: Wayne Pascoe Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Purpose of serial number in zone files (BIND) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I think its just for other servers to know if their cached image is older than the auth's image, the same, or if the serial is a lower value, that something is wrong. On 4 May 2001, Wayne Pascoe wrote: > Hi all, > > Bind question. What is the purpose of the serial number in the zone > files? Is it only so that secondary name servers know that a change > has happened? Does it have any use for the local named process? Do > servers querying an authoritative server use this at all? > > Thanks, > > -- > - Wayne Pascoe > E-mail: wayne.pascoe@realtime.co.uk > Phone : +44 (0) 20 7544 4668 > Mobile: +44 (0) 788 431 1675 > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message