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Linux.com: A Linux Firewall Primer

Oct 15, 2004, 08:30 (0 Talkback[s])
(Other stories by Mark Stone)

"You've heard the familiar arguments: commercial firewall products are overpriced; proprietary firewall code leaves you at the mercy of a vendor's timetable in the event of a security hole; the cost of underlying hardware/software platform for Windows is high and puts you on an escalating upgrade path. As your company's key IT decision-maker you can't afford to spend money needlessly nor ignore even temporary security issues, so you're thinking seriously about deploying a Linux-based firewall solution. What do you need to know?

"Network security is a broad topic, and while a good firewall is an essential part of network security, it does not work in isolation. A secure system also requires effective monitoring and intrusion detection, as well as a 'respond and restore' plan in the event of a security breach. We'll be restricting our discussion to firewalls, but keep in mind that your firewall plan must coexist with your other security measures..."

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