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| Norton Personal Firewall ZoneAlarm Shields Up! |
Firewalls |
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What is a Firewall?A firewall is used to prevent unauthorized access to your computer or network by ensuring that all communication between your computer and the Internet is protected from intrusion of unauthorized access.How does a Firewall work?The firewall is between your computer/network and the Internet. You can look at web pages, download files, chat, etc. while making sure other people on the internet can not access your computer. Firewalls can be software that run on your computer or built into hardware to protect your network from attacks.Why do I need a Firewall?Steve Gibson, of Gibson Research Corporation gives the low down on why you need a firewall, what a firewall is, demonstrates how secure your system is and a reccommendation on ZoneAlarm. Visit his Shields Up! site for more information. |
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