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NAT Router Security Solutions


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#1 Chachazz

Chachazz

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Posted 18 May 2006 - 02:05 AM

NAT Router Security Solutions
Tips & Tricks You Haven't Seen Before

What does a NAT router do?
"A NAT router creates a local area network (LAN) of private IP addresses and interconnects that LAN to the wide area network (WAN) known as the Internet. The "Network Address Translation" (NAT) performed by the router allows multiple computers (machines) connected to the LAN behind the router to communicate with the external Internet."

A NAT Router's Inherent Security

Although NAT routers are not generally purchased for their security benefits, all NAT routers inherently function as very effective hardware firewalls (with a few caveats examined below). As a hardware firewall they prevent "unsolicited", unexpected, unwanted, and potentially annoying or dangerous traffic from the public Internet from passing through the router and entering the user's private LAN network."

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