SELinux System Administration. Second Edition: Click here to enter text.

Ward off traditional security permissions and effectively secure your Linux systems with SELinux

Key Features

• Leverage SELinux to improve the secure state of your Linux system
• A clear approach to adopting SELinux within your organization
• Essential skills and techniques to help further your system administration career

Book Description

Do you have the crucial job of protecting your private and company systems from malicious attacks and undefined application behavior? Are you looking to secure your Linux systems with improved access controls? Look no further, intrepid administrator! This book will show you how to enhance your system's secure state across Linux distributions, helping you keep application vulnerabilities at bay.

This book covers the core SELinux concepts and shows you how to leverage SELinux to improve the protection measures of a Linux system. You will learn the SELinux fundamentals and all of SELinux's configuration handles including conditional policies, constraints, policy types, and audit capabilities. These topics are paired with genuine examples of situations and issues you may come across as an administrator. In addition, you will learn how to further harden the virtualization offering of both libvirt (sVirt) and Docker through SELinux.

By the end of the book you will know how SELinux works and how you can tune it to meet your needs.

What you will learn

• Analyze SELinux events and selectively enable or disable SELinux enforcement
• Manage Linux users and associate them with the right role and permission set
• Secure network communications through SELinux access controls
• Tune the full service flexibility by dynamically assigning resource labels 
• Handle SELinux access patterns enforced through the system
• Query the SELinux policy in depth

Sven Vermeulen (sjvermeu on Twitter) is a long-term contributor to various free software projects and the author of several online guides and resources, including the Gentoo Handbook. He got his first taste of free software in 1997 and never looked back. Within SELinux, Sven contributed several policies to the Reference Policy project, and actively participated in policy development and user space development projects. In his daily job, Sven is an enterprise architect in a European financial institution as well as a self-employed solution engineer and consultant. Prior to this, he graduated with an MSE in computer engineering from Ghent University and an MSc in ICT enterprise architecture from IC Institute.