Overview
Connecting to the Internet
The Internet is a dangerous place. Never connect a Niagara appliance directly to the Internet. Always use a router. A basic router is sufficient to protect the appliance and you can configure the router as needed to forward specific ports to the appliance. The router’s bandwidth should match or exceed the speed of the appliance’s network card.
The Shields Up test by Gibson Research (http://www.grc.com/intro.htm) is a good utility to verify you do not expose the Niagara appliance to the Internet. Select to test All service ports. The utility queries the appliance’s outside IP address for all service ports less than 1056. All of these ports should report as Stealth and the analysis should show the tests have passed. Ports the router has forwarded show as open. This is OK and you should consider the test as passed.
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