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.