bind request configuration

[Matthew Pounsett]

On 28-Aug-2008, at 13:16 , Sener ATAS wrote:

> Hi all,
>
> I use bind-9.5.0-P1 version on FreeBSD.
>
> This server is open to my networks outside. But I want to give
> permission only dns servers request. I don't want'to reply basic  
> client
> request. Are there a configuration method for this.

stub resolvers and servers use the same protocol.  There's no way I  
know of to differentiate between the two.  If you have a known set of  
servers you want to allow, you can either use ACLs to limit access by  
IP address, or TSIG to authenticate clients.