Chapter 23. Securing Your Machines

It’s an old story, but will remain true for the foreseeable future: The only method of keeping a computer 100% secure is to lock it in a room and never turn it on. The one thing computers do best is also the most dangerous thing about them—they collect, store, and display information. Your job as system administrator is to ensure to the best of your ability that particular bits of information are displayed only to people and machines you want those bits displayed to.

With its permission-based ...

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