In part 2 we discuss how to add the firewall to your network and do some basic configuration.
http://www.nedmug.com/Blogs/tabid/139/EntryID/16/Default.aspx
And in Part 3 I talk about configuring a DMZ, Dealing with Double NAT and some more discussion of Port forwarding and Packet Filters.
http://www.nedmug.com/Blogs/tabid/139/EntryID/22/Default.aspx
–Pete