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Jake Colman wrote:

> I have a straightforward question for one and all.  Let's assume I have a
> working masq setup with a set of firewall rules and that my internal machines
> are successfully able to access the internet from behind my masqed server.  I
> want to set up a caching nameserver to resolve addresses for my internal
> network.  The nameserver will resolve my internal machine names with their
> internal IP addresses (private Class C addresses) and will forward and cache
> all queries to the external world.  What changes must be made to the
> named.conf file to allow this to work?  I am not asking this as a DNS
> question.  I am pretty sure that certain parameters must be set specifically
> because I have a masq server with a strong set of firewall rules.
> 
> Thanks for your help!
> 
> ...Jake
> 
> -- 
> Jake Colman                     
> 
> Principia Partners LLC                  Phone: (201) 946-0300
> Harborside Financial Center               Fax: (201) 946-0320
> 902 Plaza Two                          E-mail: [EMAIL PROTECTED]
> Jersey City, NJ 07311                  www.principiapartners.com

i'd recommend telling your name server to use port 53 as the source
port for its queries. see http://fwup.org/firewall.policy for details.
this allows yuo to maintain a strong ruleset since incoming udp packets
need only be allowed to port 53. by default, recent name servers use
ephemeral ports.

raf

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