how do I know my firewall is working

Inizio della pagina
Allegati:
Messaggio come e-mail
+ (text/plain)
Delete this message
Reply to this message
Autore: mazdaracer
Data:  
Oggetto: how do I know my firewall is working
Subject says it all! I used the CD from Linux mag. and installed pmfirewall.
I see it starts on boot, but how do I know it's working correctly?

pete