host -l foo.com

[Barry Margolin]

In article <Pine.LNX.4.21.0006291202050.1026-100000 at brainiac.conectiva>,
Jefferson L Brindarolli  <jefferson at conectiva.com.br> wrote:
>  How can block some remote user on using `host -l mydomain.com`. 
>  My named.conf is configured with allow-transfer { secoundaryIP;}  

That should do it.

Make sure you do that on the secondary server as well; it should have
allow-transfer { none;}.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
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