What to know about firewall (3)

PREconfigured programmes
Preconfigured programmes and services on the Exceptions list.
Additional items that you have added to the Exceptions list.
When you select Don’t allow exceptions, you can still send and receive e-mail, use an instant messaging program, or view Web pages.

Off: With this setting, your computer is much more vulnerable to harm from unknown intruders or viruses from the Internet. This setting should only be used when it is necessary to turn off Windows Firewall for computer administration purposes.

Notes
Except for unsolicited requests, Windows Firewall blocks or allows connections to your computer without notifying you each time. But Windows Firewall can also create a record, called a security log, that records those connections. If you want Windows Firewall to create a security log, see Enable security logging options.
Windows Firewall does not detect or block Trojan horses.

Advanced users can configure Windows Firewall using the command line tool, netsh.exe. For more information about this tool, see Configuring Windows Firewall from the command line.

Network administrators can also use Group Policy to configure Windows Firewall settings. Group Policy settings apply globally for the network. If Group Policy is enabled, individual users are prevented from changing firewall settings.


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