Foundation Topics
Configuring Windows Firewall
Windows Firewall is a stateful host-based firewall that you can configure to allow or block specific network traffic. It includes a packet filter that uses an access control list (ACL) specifying parameters (such as IP address, port number, and protocol) that are allowed to pass through. When a user communicates with an external computer, the stateful firewall remembers this conversation and allows the appropriate reply packets to reach the user. Packets from an outside computer that attempts to communicate with a computer on which a stateful firewall is running are dropped unless the ACL contains rules permitting them. Using Windows Firewall reduces the chance that an attacker will compromise your ...
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