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Absolute FreeBSD, 3rd Edition by Michael W. Lucas

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9SECURING YOUR SYSTEM

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Securing your system means ensuring that your computer’s resources are used only by authorized people for authorized purposes. Even if you have no important data on your system, you still have valuable CPU time, memory, and bandwidth. Many folks who thought that their systems were too unimportant for anyone to bother breaking into found themselves an unwitting relay for an attack that disabled a major corporation. You don’t want to wake up one morning to the delightful sound of law enforcement agents kicking in your door because your insecure computer broke into a bank.

Sure, there are things worse than having some punk kid ...

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