SELinux System Administration, Third Edition - Third Edition

Chapter 15: Using the Reference Policy

Up until now, we've covered how to interact with the SELinux subsystem and gradually adjusted the SELinux policy to our liking. As we add more applications and users, we notice that developing custom SELinux policies might help us tune the system more to our liking. There are two main approaches to develop SELinux policies, and using reference policy style development is one of them. The other is discussed in Chapter 16, SELinux Common Intermediate Language.

To properly develop an SELinux policy, we'll learn how to use and understand the macros that the reference policy provides, and apply the main coding and development style patterns that the project requires to ensure consistency across SELinux policy ...