'Blackholing' certain domains

[Barry Margolin]

In article <c2ilc3$1kkn$1 at sf1.isc.org>,
 Jason <jwilliams at courtesymortgage.com> wrote:

> Hello everyone.
> 
> I just put up a BIND 9 server for our company intranet. Everything is 
> working great (Better than expected really :) ).
> 
> Anyway, I want to block certain domains so my users can't get to certain 
> services, specifically IM stuff.
> 
> I was curious what the best way is to go about doing this. Obviously, 
> you need to create a zone file, but what should the contents of the zone 
> file be?
> 
> Anything I should put in the zone file to block it? Maybe leave it blank?

Just put the SOA and NS records in it, so that it can be loaded 
successfully.  Any attempt to look up other names in the zone will fail 
because the names don't exist.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***