manual for firewall?

is there a manual for the firewall?
i want to be sure I am using it properly and getting the full benefit of it.
thank you. (:NRD)

Welcome to the forum, NYCBlond37.

Actually, in this board there’s a link to this ** FAQs/Threads - Read Me First ** thread (which apparently is a great bookmarking page. Hint Hint):

User manual,2958.0.html

Read the last post for the link to the v2.4 one.