Slave DNS (was: Dynamic DNS updates

[Barry Margolin]

In article <94a5d4$25j at pub3.rc.vix.com>, Garrett  <midtowng at deja.com> wrote:
>#1) In the various zone entries the "generic" named.conf file had the
>    line
>       allow-update { none; };
>    Meanwhile the O'Reilly book says that the line for a slave DNS
>    should be
>        masters { ipaddress; };
>
>     Which should it be? We will eventually be adding a Win2K DDNS
>   server to the network if that makes a difference. I just spotted an
>   FAQ at http://www.nominum.com/resources/faqs/bind-faq.html#w2k
>   that says that I'll need to add an extra zone entry when this happens.
>   But right now I'm just wondering about this certain line.

You should have both.  DDNS will send dynamic updates to the master server,
and the slaves will periodically transfer the updated zone from the master.

>#2) When I start up this secondary DNS do I need to have the
>     database files already created? Just to cover my tracks I've
>     "touched" the files into creation and I'm guessing that they will
>     simply be over-written.

It automatically creates zone files.

>#3) Are there any other files I need to have configured before
>      I start this up? I don't want to be caught by suprise.

You need the file referenced in the root hints zone (typically called
named.root or named.ca).

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
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