Separating DNS and DDNS with BIND

Kevin Darcy kcd at daimlerchrysler.com
Mon Nov 13 22:01:35 UTC 2000


"separate-dynamic" isn't a recognized keyword in any ISC-released BIND of which
I'm aware.

Is there some sort of bootleg patch that enables this?


- Kevin

Piotrek Kapczuk wrote:

> Hi
>
> Davy Goris <davy.goris at ordab.com> wystukal cosik takiego ...
> > Dear,
> >
> > I have a question which I think is interesting for many users. I manage
> > several C-class IP networks which use bind for DNS. All entries are static
> > until now.
> >
> > I configured the DHCP-server on AIX to do DHCP with dynamic DNS (DDNS).
> > However, that gives bind full control of the zone files to do serial
> number
> > updates and to add/remove the DHCP stations. This works, but bind 'kinda
> > rapes' the DNS-files, removing all comments, changing the order, etc.
> Since
> > we will have many static entries for a long time (isn't everybody?), I
> > wonder how we can implement this in an elegant way. The only related topic
> I
> > found in the book 'DNS and Bind Volume 2' was to do some subnetting, but
> > exactly how isn't very clear to me.
> >
> > Is there an easy way to separate a C-class network in a static
> configuration
> > file and a dynamic DDNS-part? The same issue goes for the name zone files,
> > but it's much more easy there: I planned to use a separate subzone for
> > DHCP-adresses.
>
> Yes, there is a simple way to do it. All you have to do is put the following
> line in your zone file
> $INCLUDE   path/to/the/file/include.data
>
> Of course you should fill up the file include.data with correct RR's. After
> starting named, this file will be merged, and you will be able to control
> the RRs by nsupdate. If you'd like to avoid this future (don't allow to
> control "static" RRs via DDNS ) just add the following to your zone
> definition in /etc/named.conf
> "separate-dynamic yes;"
>
> --
> Regards
> Peter Kapczuk
>
> Use Reply To field for private contact.






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