Resolving locally hosted zones to trusted clients

Barry Margolin barmar at alum.mit.edu
Fri Oct 29 00:44:20 UTC 2004


In article <clrj12$1jkj$1 at sf1.isc.org>, Matt Goli <mattgoli at mac.com> 
wrote:

> Greetings all:
> 
> I've setup a public BIND 9.2.2 server to host a number of zones for our 
> companies domains based on Rob Thomas's "Secure BIND Template" 
> http://www.cymru.com/Documents/secure-bind-template.html.
> 
> I have one view (external-in) setup to allow any device to query the 
> public domains from this BIND server and am not allowing recursive 
> lookups from public IPs.  I have a second view (internal-in) setup that 
> performs recursive lookups for a ACL of "trusted" IP addresses, and 
> that is working as expected.  My problem comes in when trusted IP 
> addresses attempt to query a zone out of my "external-in" view.  I 
> simply get a "connection timed out; no servers could be reached" when I 
> dig from the trusted IP addresses.
> 
> So in summery, I can do the following from trusted ip address 
> 216.111.14.242:
> 	dig @63.238.248.3 www.google.com
> 
> But cannot do:
> 	dig @63.238.248.3 www.krause.com
> 
> But from an untrusted IP I can do:
> 	dig @63.238.248.3 www.krause.com
> 
> Below is my named.conf file for reference.  Any feedback is greatly 
> appreciated.

You need to include the public zones in the internal view, since 
internal clients can only see the zones that are listed in that view.

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



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