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Chapter 13. Security Basics > General Security

13.1. General Security

Panther has several general security features that contribute to the protection of the entire system.

13.1.1. Unix Features

As was covered in Chapter 7, Mac OS X's Unix foundation provides for the basic permissions model that keeps system and user files and processes separate and protected. But equally important for security is Panther's open source roots, in the form of Darwin, which allows anyone to scour the source code for potential vulnerabilities and provide (or allow Apple to provide) fixes quickly. Darwin's source code, corresponding with the open source core that ships with Panther, is available freely through http://developer.apple.com/darwin. Apple generally makes available new Darwin versions not long after they've been released as part of each new Mac OS X version.


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