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Configuring IPCop Firewalls by James Eaton-Lee, Barrie Dempster

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The Purpose of Firewalls

This network and the research underpinning it, originally funded based on the utility for military purposes in one country, has far surpassed its original aims, and through international research and uptake, spawned a phenomenon that is shaping (and will shape) generations to come. Networking is now a core activity not just to governments and research organizations, but also to companies small and large, and even home users. Further developments such as the inception of wireless technology have served to make this technology even more accessible (and relevant) to people at home, on the go, and in the imminent future, virtually anywhere on the surface of the planet!

Many of these networking protocols were originally designed ...

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