9.4. Configuring Windows Firewall with Group Policy
Windows XP/SP2 and onward all have a firewall that you can enable if you want to. Actually, Windows XP/SP2, Windows Vista, and Windows Server 2008 already have that firewall enabled.
But really, what's the point? The point of a firewall on your machine (whatever kind it is) is to allow certain kinds of traffic to pass through and certain kinds of traffic to be prevented. That's it. Nothing mysterious here about a firewall.
Windows XP/SP2, Windows Vista, and Windows Server 2008 turn on their respective firewall by default, filtering inbound communication. We saw this phenomenon in Chapter 2 when we tried to perform a "Group Policy Results" to our Windows XP or Windows Vista client system and ...