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Beginning of Paper
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The term firewall has seen limited use since the late 1980s to describe a device to block unwanted network traffic while allowing other traffic to pass. The first published description of a "modern" firewall including use of that name was in 'Practical Unix Security' written in 1990 and published in 1991. The first description of a firewall, although not by that name, was also in 1990, in a paper by Bill Ches ....
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Middle of Paper
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.... who enjoy the electronic equivalent of writing on other people's walls with spray paint, tearing their mailboxes off, or just sitting in the street blowing their car horns. Some people try to get real work done over the Internet, and others have sensitive or proprietary data they must protect. Usually, a firewall's purpose is to keep the jerks out of ones network while still letting one get his or her job done. Many traditional-style corporatio ....
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