I have a few question on DNS, or please provide me to the site or
reference on DNS.
1) How to setup a dns behind a firewall? I have read the DNS-how to and
DNS and bind by O'relly and it does not mention a lot. We have a
firewall (non-linux-commercial firewall- SecureZone) and we are using
linux as a mail server (with pop) and dns server. On the firewall I
enable the DNS query and zones transfer and open up port 53( and enable
ip rewrite to the DNS server). Our internal net is using 10.xx.xx.xx. So
for the dns that is place in the internal net, i should set the domain
and the A record for ip to internal ip or internet ip?
2) I intend to learn to setup a firewall with dns on linux machine. So,
on a 2 interface card(firewall), how do i setup the dns(named.hosts)? Do
i need to run 2 copies of DNS configuration- one internal and one
outside? Any sample on the configuration will help alot.
3) How mail and DNS work? For example, when i send mail to [EMAIL PROTECTED]
, how the mail reach the user in abc.com if the DNS is behind the
firewall?
Please, guide me throught some site or book that can explane more on
DNS.
Your kind attention is much appreciated.
Thank You.
FB
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