[Techtalk] O BIND gurus: authoritative v caching and root zones and stuff

[Carla Schroder]

On Sunday 22 August 2004 10:43 am, Devdas Bhagat wrote:
> On 22/08/04 10:37 -0700, Carla Schroder wrote:

> > options {
> >   // tell named where to find files mentioned below
> >   directory "/var/named";
> >   // on a multi-homed host, you might want to tell named
> >   // to listen for queries only on certain interfaces
> >   listen-on { 127.0.0.1; 10.11.12.0/24; }
> > }
> > 
> 
> Interfaces are not subnets.

Indeed they are not!  =8-0

> 
> // This keeps other peoples misconfigured servers out of my logs.
> // Telling them about it would be nice, but I can't be bothered.
> logging {
>         category "lame-servers" {
>                 "null";
>         };
> };
> 

Nice touch.

> > 
> > On the authoritative server, do I still need to include the root zone 
entry? 
> > Seems to me that should belong only to the caching server.
> 
> You do not need a root zone entry on the authoritative server.
> It will answer for the domains it is supposed to be authoritative for,
> and return NXDOMAIN for everything else.
> 

Thanks, that's just what I needed. 

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