The firewall built into Windows starting with Windows XP Service Pack 2. Windows Firewall provides a stateful inspection of packets that accepts only responses to requests originated by the user.

Personal firewalls are available from numerous security vendors, and Windows XP includes ... easier administration than a firewall in each user's machine. THIS DEFINITION IS FOR PERSONAL USE ...

Type Windows Security in the search box and hit Enter to open the Windows Security app. Click on Firewall & Network Protection to open the following panel. You will see the Firewall status for the ...