SELinux System Administration

Ward off traditional security permissions and effectively secure your Linux systems with SELinux About This Book * Leverage SELinux to improve the security of your Linux system * An easy-to-follow approach and instructions to help you adopt SELinux within your organization * Acquire key skills and t [...]
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Ward off traditional security permissions and effectively secure your Linux systems with SELinux About This Book * Leverage SELinux to improve the security of your Linux system * An easy-to-follow approach and instructions to help you adopt SELinux within your organization * Acquire key skills and techniques in your system administration career Who This Book Is For This book is for both beginners as well as seasoned Linux administrators who want to control the secure state of their systems. Packed with the latest information on SELinux operations and administrative procedures, you will enjoy hardening your system further through the Mandatory Access Control system that has been shaping Linux' security for years.What You Will Learn * Analyse 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 In Detail Do you have the daunting job of protecting your and your company's systems from malicious attacks and undefined application behaviour? Or are you looking to secure your Linux systems with improved access control? Well, look no further! This book gives you all the preliminary know-hows about enhancing your system's security across Linux distributions, helping you keep application vulnerabilities at bay. In this book, we describe the SELinux concepts and show you how to leverage SELinux to improve the secure state of a Linux system.You will learn not only about the fundamental SELinux concepts, but also about all of SELinux's configuration handles including conditional policies, constraints, policy types, and audit capabilities, with genuine examples that you as administrators might come across. 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 it can be tuned to your needs.