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.

Sven Vermeulen

$36.99

4.2 (9 Ratings)

Paperback Sep 2013 120 pages 1st Edition

Sven Vermeulen

$36.99

4.2 (9 Ratings)

Paperback Sep 2013 120 pages 1st Edition

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Key benefits

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

Description

NSA Security-Enhanced Linux (SELinux) is a set of patches and added utilities to the Linux kernel to incorporate a strong, flexible, mandatory access control architecture into the major subsystems of the kernel. With its fine-grained yet flexible approach, it is no wonder Linux distributions are firing up SELinux as a default security measure. SELinux System Administration covers the majority of SELinux features through a mix of real-life scenarios, descriptions, and examples. Everything an administrator needs to further tune SELinux to suit their needs are present in this book. This book touches on various SELinux topics, guiding you through the configuration of SELinux contexts, definitions, and the assignment of SELinux roles, and finishes up with policy enhancements. All of SELinux's configuration handles, be they conditional policies, constraints, policy types, or audit capabilities, are covered in this book with genuine examples that administrators might come across. By the end, SELinux System Administration will have taught you how to configure your Linux system to be more secure, powered by a formidable mandatory access control.

Who is this book 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.

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

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Amazon verified reviews

Robert S. Apr 11, 2014

Helped me solve issues immediately. Did not have much knowledge of SELinux, and with this book I was able to get my server working properly and efficiently quickly.

Amazon Verified review

Kindle Customer Dec 30, 2014

This is a very nice introduction, for me, to SELinux. I have always ended up running my Linux system (basically a desktop) in "permissive" mode. The main reason is that I just wanted to get my work done and I kept getting "dings" from SELinux in Enforcing mode which where stopping me. This book took me only about 4 hours to read from cover to cover (OK, I didn't read the index). But it introduced me to enough of the concepts and commands in SELinux for me to be comfortable to try changing to "Enforcing" mode.

Leupold, Sven Nov 27, 2014

Excellent book if you're looking for an overview. Although the matter is not simple and easy to begin with, Sven Vermeulen's book guides you step by step into SELinux Administration. The command line examples in the text, help you to understand the basics and dive into even deeper.I would absolutly recommend this book to everybody who is willing to learn about SELinux and features. 5 stars!

Adam J Miller Dec 01, 2014

Wonderful resource for any Linux Systems Administrator digging into SELinux. This book covers multiple distributions and is written in an approachable way that isn't too dry or overly daunting. Definitely recommended for Admins/Ops looking to gain SELinux knowledge.

Alberto Reis Aug 01, 2016

Sven oferece uma abordagem bastante flexível para você implantar SELinux sem restringir a uma distribução especificamente. Este é o ponto forte deste livro, mostrar diversas ferramentas que você pode usar para uma mesma tarefa considerando um ambiente Linux heterogêneo. A experiência do autor lhe permite mostrar o que é mais apropriado usar, pois SELinux está por aí há algum tempo e distribuições implementam ferramentas convenientes para sua comunidade.Os exemplos utilizados ilustram o conceito e mecanismos apresentados, A leitura é interessante executando conforme o leitor avança entre os capítulos. Embora já tivesse lido o manual do administrador SELinux da distribuição que escolhi, achei que o texto trás uma introdução suficiente para iniciar por este livro.Cobre superficialmente o desenvolvimento de módulos do SELinux, apresenta uma comparação entre duas maneiras de especificar as políticas de segurança, modo "nativo" menos usual e através de referências para outros módulos com o uso de macros de uma API que ele não descreve neste livro.Recomendo este livro para administradores de sistemas, mas se você tem uma tarefa que exigirá o desenvolvimento de módulos do SELinux, então será necessário uma literatura adicional, caso tenha domínio sobre os conceitos apresentados no manual do administrador do SELinux da sua distribuição Linux, esta óbra é informativa e opcional.

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.

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