SecurityDoctor.net

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Security Doctor

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Excerpted from the website:

Routers
If you are using a computer at work, or with the advent of cable modems at home, you might want to place your home computers behind a router that uses NAT. NAT enables multiple computers to access to the Internet over a single high-speed link. NAT also typically has the effect of preventing connections from being established inbound into your computer, whilst permitting connections out. Getting a router in your home improves the security of a home LAN; some people consider that they don't need a firewall if they have a router.
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