G5/10.3.4 I have had NO problems (knock on wood) and I've efen been playing with the rules (breaking a long standing rule of my own of NOT playing with firewalls). I've found that if I eliminate a rule that I need, LS will ask if a connection should be allowed. If I say yes, then it is added. I can then edit the rule (in System Preferences) to make it perminate, or whatever. If I make a rule that says "Deny", then a window appears saying that the connection cannot be made (or something like that) and I can check the rule that applies to that application. I am now very confident that I have no Spyware. This is great for us paranoids. I've been omitting a few perminate rules on purpose just to have the applications ask for permission to log onto the internet - a power trip. I'll simply edit them to perminate when I get over my trip.