Re: Custom created firewall rules for Active Directory 2003
HIP 7 extension 7.0.4 should include a firewall rules template for "Typical Corporate Environment".
This will include a rules group for Windows AD Authentication. You could use this as a baseline and run the firewall in adaptive mode on a couple of DCs to learn additional rules if needed. A best practice is to have a consise firewall rule set, relying on the state table to handle return traffic for outgoing connections.
Also, Microsoft has several good articles:
How to configure a firewall for domains and trusts