SECURITY ISSUE 06: Firewall

A Firewall is a system designed to prevent unauthorized access to your computer. It can either be a software or hardware or a combination of both.  Firewalls are frequently used to block hackers from accessing private networks connected to the internet. Firewall can also block programs on in your comouter from trying to connect to the internet without your approval.

- Always install a personal firewall for your computer at home and in the office.
- Configure the firewall to block unauthorized users from accessing your computer and allow only authorized users.
- Never allow unauthorized programs in the computer from connecting to the internet.

On Win XP: Start -> Control Panel -> System and Security -> Windows Firewall
On Win Vista/7: Start -> Control Panel -> Network and Internet -> Windows Firewall


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