Hi,
I have setup a couple of DNS servers for our internal network but do not
want them visible to the
outside world. I couldnt get the DNS servers do any queries to the outside
world unless they
had an IP address that was a NAT and had an external address.
Now that I have set them up with NAT address's the DNS queries run fine but
the DNS servers are
also visible from the outside world. How do I either block the DNS lookups
from the internet or
get a DNS server to run on an address with no NAT?
I have not found a rule to do this and have not been able to get FW1 to log
any of the DNS
traffic.
I'm sure this is easy and I'm being rather thick but I would appreciate any
tips.
Thanks.
Jim.
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