selective forwarding ?

[Kevin Darcy]

I think you are confusing matters by calling the forwarder a "root server". If
you just want to forward by default to your firewall, and selectively forward
certain zones to internal servers (doesn't matter whether they are
"root" servers or not), then just use "forward only" in your options
statement, and then create zones of type "forward" for the ones you want to
forward internally. The per-zone forward overrides the options-statement
forward.

But you may want to consider an alternative: define the zones as "slave" or
"stub" instead, and then cancel forwarding for all subzones of those zones by
using the "forwarders {}" syntax. That way you'll be using iterative queries
and allowing for greater optimization/resiliency of your internal
server/server interactions (since iterative querying allows RTT tracking and
preference).


- Kevin

Rahul Parasnis wrote:

> Thanks a lot ,
>
> That was very informative.
> How could I possibly  do the Following
>
> For selective zones I would like to forward the Query to Root Server.
>
> And for the Rest ( internet)  I transfer the query to another forwarder
> which is running on firewall.
>
> my primary server is jp.domain
>
> so upper level is .domain
>
> zone ".domain" {
>         type forward;
>         forward only;
>         forwarders { root servers address ; }
> };
>
> or I have to write *.domain infront of zone
>
> Am I expecting too Much ?
>
> Thanks a lot
> - Rahul
>
> At 09:56 AM 03/13/2000 +0900, Cricket Liu wrote:
> >> I am using bind8.2.2P5
> >> How can I selectively forward particular zone ?
> >> or vice versa
> >> How can I ask my name server to go to root server for particular Zones ?
> >
> >See http://www.acmebw.com/papers/bind82.pdf.
> >
> >cricket
> >
> >Acme Byte & Wire
> >cricket at acmebw.com
> >www.acmebw.com
> >
> >Attend the next Internet Software Consortium/Acme Byte & Wire
> >DNS and BIND class!  See www.acmebw.com/training.htm for
> >the schedule and to register for upcoming classes.
> >
> >
> >
> >