Have you checked the programs help file? Try a search for Program Authorisation or something like that.

Have you checked their web site’s FAQs for the firewall?

I did a search on nortons site for ‘manual program’ without quotes and found several hits, this is probably the most relevant - http://service1.symantec.com/SUPPORT/nip.nsf/16c1d01d537bf4d188256d8e0076b346/9839f2904979be5388256c370054f0da?OpenDocument&prod=Norton%20Personal%20Firewall&ver=2004%20for%20Windows%2098/Me/2000/XP&src=sg&pcode=npf&svy=&csm=no

You have to learn to use the tools at your disposal, learn about the programs installed on your system and gain the most from them - especially the programs related to your system security.