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Disabling Access

An important part of securing your machine is limiting access to it. In this section, we will look at choosing services that run on your machine, using TCP Wrappers to restrict access, and some common-sense preventive measures you can take.

Selecting Services in the Graphical User Interface

As you might recall, Apple ships OS X with many services disabled. In many of the Unix operating systems, you have to be careful to disable some common services that are turned on by default, but that you might not actually need. With OS X, however, many of these common services are disabled. Instead, if you want to run a common service, such as a remote login service, you specifically have to turn it on in OS X.


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