[CORed]

To turn on Windows Firewall, start with "My network places" from your start menu or an Explorer Window. Click "View network connections" in the left hand panel right click "properties" for the connection you want to firewall. Click the "Advanced" tab There will be a box labeled "Windows Firewall" with a button labeled "settings". The "settings" button gets you into the box where you can turn the firewall on and open ports, if needed.