Sunday, April 18, 2004
What a firewall won't do
I was all set to write a short article about what you can expect from firewall appliances. Then I found a nice, solid, already reviewed essay on dslreports.com.
It explains when you need more than a firewall box. Keith Tarrant, CCP, wrote it to answer a steady stream of questions in the dslreports.com forums.
If the flood of marketing terminology confuses you, there's nothing wrong with you. Marketers have deliberately blurred the distinctions between some technical terms. When the linked essay says "NAT router", it means one of the cheap connection-sharing boxes from companies like SMC and NetGear. I called them "firewall appliances" earlier because sometimes the package in the store will say "firewall" on it.
You need one, whatever they're called.
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It explains when you need more than a firewall box. Keith Tarrant, CCP, wrote it to answer a steady stream of questions in the dslreports.com forums.
If the flood of marketing terminology confuses you, there's nothing wrong with you. Marketers have deliberately blurred the distinctions between some technical terms. When the linked essay says "NAT router", it means one of the cheap connection-sharing boxes from companies like SMC and NetGear. I called them "firewall appliances" earlier because sometimes the package in the store will say "firewall" on it.
You need one, whatever they're called.
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