Windows Vista firewall
What is a firewall?
A firewall is software or hardware that checks information coming from the Internet or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings.
A firewall can help prevent hackers or malicious software (such as worms) from gaining access to your computer through a network or the Internet. A firewall can also help stop your computer from sending malicious software to other computers.
To access the Windows Firewall click on the Start menu and select the Control panel.
Click on Windows Firewall
To change setting click on Change Settings
Windows firewall is turned ON. If you need to block all incoming connections check the tick box.
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