Date: Mon, 30 Sep 2002 09:23:30 +0200 From: Roman Neuhauser <neuhauser@bellavista.cz> To: freebsd-questions@FreeBSD.ORG Subject: Re: named rejecting all kinds of serials Message-ID: <20020930072330.GC30361@freepuppy.bellavista.cz> In-Reply-To: <200209282051.g8SKp8mV097314@lurza.secnetix.de> References: <20020928151840.GV30361@freepuppy.bellavista.cz> <200209282051.g8SKp8mV097314@lurza.secnetix.de>
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# olli@secnetix.de / 2002-09-28 22:51:08 +0200:
> Roman Neuhauser <neuhauser@bellavista.cz> wrote:
> > # olli@secnetix.de / 2002-09-28 15:48:00 +0200:
> > > Bye the way, RFC 1912 is definitely recommended reading for
> > > anybody who operates a name server or who is responsible
> > > for zone files.
> >
> > Heh, RFC 1912 (and the others) are definitely recommended reading
> > for anybody who operates the BIND name server,
>
> No, I disagree, it is recommended reading for everone who
> operates name service, no matter if it's BIND or Microsoft
> Domain Wizard or whatever it might be called. Large parts
> of the RFC are not BIND-specific, including the handling
> of serial numbers, which is the topic of this thread.
Not all content dns servers use zone transfers. Reusing my RFC 2821
example: MTA configuration files format is not part of the SMTP
protocol or any of the related RFC AFAICT, and distributing the
configuration in failover setups thus cannot be either. I don't see
why it should. In fact, DNS as defined by the relevant RFCs differs
from other internet protocols like HTTP so much it's funny. HTTP
doesn't dictate redundant servers, SMTP does neither, nor any other
internet protocol. Redundant DNS servers don't provide any
protection, either. Besides, what good is that clients can resolve
your address using one of a few content DNS servers if the, say, web
server whose address they resolve is down?
> > Your advice was actually very much to the point, Janine obviously
> > runs BIND. I just find it hilarious that RFCs are a viable way of
> > documenting an implementation (as opposed to a principle).
>
> BIND is the reference implementation of DNS, and I guess
> it is the most complete and correct one.
Apache is the reference implementation of the HTTP protocol, yet the
relevant RFCs don't cover distributing httpd.conf among one's
redundant apache installations.
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