Chapter 12. Security

Security, like freedom, is a goal and an ideal, not an absolute condition.

As shipped, Mac OS X is fairly secure. If you use your machine only as a personal computer and do not install any new server software on it, then your only security assignment is to regularly use the Apple Software Update tool (see “Keeping Up-to-Date,” later in this chapter).

On the other hand, if you have multiple users or you install new Internet server software on your machine, then you are well advised to pay more attention to security.

Because Unix systems are inherently multiuser, they tend to have many people using them. This means there are likely to be a number of people who have various levels of access to a machine running Unix, and each of ...

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