Turning off Windows Firewall might make your computer (and your network, if you have one) more vulnerable to damage from hackers and malicious software (such as worms). Off (not recommended)Īvoid using this setting unless you have another firewall running on your computer. When you select Block all incoming connections, you can still view most webpages, send and receive e‑mail, and send and receive instant messages. With this setting, you are not notified when Windows Firewall blocks programs, and programs on the Exceptions list are ignored.
Use this setting when you need maximum protection for your computer, such as when you connect to a public network in a hotel or airport, or when a computer worm is spreading over the Internet. This setting blocks all unsolicited attempts to connect to your computer.
For example, you might not be able to send photos in an instant message until you add the instant messaging program to the Exceptions list. If you want to unblock a program, you can add it to the Exceptions list (on the Exceptions tab). When Windows Firewall is on, most programs are blocked from communicating through the firewall. Here's what they do and when you should use them: On (recommended) There are three settings on the General tab in Windows Firewall. A firewall can also help stop your computer from sending malicious software to other computers. A firewall can help prevent hackers or malicious software (such as worms) from gaining access to your computer through a network or the Internet.
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