query

[Barry Margolin]

In article <s8b16cdc.059 at basari.com.tr>,
YILMAZ GULERYUZ <YILMAZGULERYUZ at basari.com.tr> wrote:
>when I write=20
>host -l mydomain.com
>
>I can see all my A records and theari IPs. this very serious security =
>problem.

If you don't want people to see your names, why are they in public DNS?
Maybe you should use split DNS and a firewall.

>How can I prevent this?

Use the allow-transfer option to only allow your slave servers to perform
zone transfers.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.