DNS resolving problem with iptables in Debian

[Pradeeper <pradeeper@unionb.com>]

Hi All

I can't subscribe to Debian fire wall mailing list (NO mail from
list.debian.org server)., so please Cc: to pradeeper@unionb.com when you
reply.

I'm implementing a Debian (Sarge) firewall with iptables.
It's exactly as., 
http://iptables-tutorial.frozentux.net/iptables-tutorial.html#RCDMZFIREWALLTXT

And I'm using the script they provide here.,
http://iptables-tutorial.frozentux.net/scripts/rc.DMZ.firewall.txt

I can resolve local dns entries without any problem but problem with out
side domain. When I try to nslookup or dig some domain (say yahoo.com or
debian.org), it says "server time out" or "couldn't find the server".

My primary DNS server is in this DNZ zone and uncomment the line

	query_source address * port 53;

from /etc/bind/named.conf as well.

What could be the problem?

Thanks!

Pradeeper
--
Debian GNU/Linux Sarge kernel 2.4.22-openmosix-1

Q: Why don't lawyers go to the beach?
A: The cats keep trying to bury them.