Note that it's port 21 that you need to open up to enable FTP.
For really good FreeBSD tutorials (including firewalling with IPFW), go to:That's cool Coral Sea. I really need to make some major changes to my firewall. Do you have a link to a good tutorial on ipfw?
A great site!
Also, www.bsdvault.net has some firewalling tutorials:
Happy Firewalling and Happy Holidays!