SELinux System Administration

With a command of SELinux you can enjoy watertight security on your Linux servers. This guide shows you how through examples taken from real-life situations, giving you a good grounding in all the available features.

Key Features

• Use SELinux to further control network communications
• Enhance your system's security through SELinux access controls
• Set up SELinux roles, users and their sensitivity levels

Book Description

What you will learn

• Enable and disable features selectively or even enforce them to a granular level
• Interpret SELinux logging to make security-conscious decisions
• Assign new contexts and sensitivity labels to files and other resources
• Work with mod_selinux to secure web applications
• Use tools like sudo, runcon, and newrole to switch roles and run privileged commands in a safe environment
• Use iptables to assign labels to network packets
• Configure IPSec and NetLabel to transport SELinux contexts over the wire
• Build your own SELinux policies using reference policy interfaces

Who this book is for

Linux administrators will enjoy the various SELinux features that this book covers and the approach used to guide the admin into understanding how SELinux works. The book assumes that you have basic knowledge in Linux administration, especially Linux permission and user management.