Which Is The Real Norton Firewall File

I have all Nortons - System Works + Antivirus and Internet Security 2003. But I need Firewall.

1. I c so many on Kazaa, but which is the Real1
2. does Norton Update Till 2116! really Work or is it a dumb virus.
3. How can I get Norton to update to e.g Norton Systemworks 2004 etc

here you go

File:Symantec_Norton_Personal_Firewall_2003_6.0-9RETAIL.exe
Length:24410834 Bytes, 23838KB
UUHash:=/oBr4wkGYhvajICpxw+PCxz+RaI=

well for answer #2 i think it does
#3 just download it