FIREWALLSDo I need Firewalls ?
This is a question which every user of computer should ask himself at some point or the other. The point is, the earlier you pose this question to yourself, the better since, Firewalls are Security Devices and your System is vulnerable without them.
However, it may surprise you when we say a Firewall does not actually prevent Virus Attacks. Then what good is a Firewall, you may ask. Find it out from this write up
Do I Need A Firewall ?
 Firewalls may be either Software Firewalls or Hardware Firewalls. Software Firewalls are as you rightly guessed, programs which control traffic between Computers while Hardware Firewalls do the same thing but Hardware based. Read about Software Firewalls and see more here about Hardware Firewalls
WAN is a group of Local Area Networks, located at different areas, but connected to form a Single Network. The prohibitive Cost in implementing and maintaining a WAN is a dream for small Businesses. Then came Virtual Private Networks (VPNs) which make use of a Public Network System such as the Telephone System to create a private connection. Being a Network, a VPN like any other Network is equally exposed to threats from the Internet. So what do we do ? Simple. Have a VPN Firewall in place.
Here we tell you more about VPN Firewalls and their uses VPN Firewall
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