Billion Electric Company BiGuard 30 Manual De Usuario

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D.3.2    Why Use a Firewall? 
 
With a LAN connected to the Internet through a router, there is a chance for hackers 
to access or disrupt your network. A simple NAT router provides a basic level of 
protection by shielding your network from the outside Internet. Still, there are ways 
for more dedicated hackers to either obtain information about your network or 
disrupt your network’s Internet access. Your BiGuard 30 provides an extra level of 
protection from such attacks with its built-in firewall.