Why I need a firewall? This is a most common question beside Anti-virus you must have a firewall but why? Firewall protect your computer from different types of hacking attack because Firewall is a wall just like your home door, if your door unlock than everyone can easily get into your home so use a wall to protect your computer. Below is the wonderful inforgraphic that explain you about the firewalls, What is firewall? How firewall works? Firewall configuration and tips for online security.
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