To turn on Windows Firewall
1.Open Windows Firewall by clicking the Start button
, clicking Control Panel, clicking Security, and then clicking Windows Firewall.2.Click Turn Windows Firewall on or off.
If you are prompted for an administrator password or confirmation, type the password or provide confirmation.3.Click On (recommended), and then click OK.
If you want the firewall to block everything, including the programs selected on the Exceptions tab, select the Block all incoming connections check box.
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