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Practical Linux Security Cookbook

You're reading from   Practical Linux Security Cookbook Secure your Linux environment from modern-day attacks with practical recipes

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789138399
Length 482 pages
Edition 2nd Edition
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Author (1):
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Tajinder Kalsi Tajinder Kalsi
Author Profile Icon Tajinder Kalsi
Tajinder Kalsi
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Toc

Table of Contents (15) Chapters Close

Preface 1. Linux Security Problem FREE CHAPTER 2. Configuring a Secure and Optimized Kernel 3. Local Filesystem Security 4. Local Authentication in Linux 5. Remote Authentication 6. Network Security 7. Security Tools 8. Linux Security Distros 9. Bash Vulnerability Patching 10. Security Monitoring and Logging 11. Understanding Linux Service Security 12. Scanning and Auditing Linux 13. Vulnerability Scanning and Intrusion Detection 14. Other Books You May Enjoy

Implementing Mandatory Access Control with SELinux

SELinux (short for Security-Enhanced Linux), is a flexible Mandatory Access Control (MAC) devised to overcome the limitations of standard ugo/rwx permissions and ACLs.

Getting ready

In most Linux distributions, such as CentOS and Redhat, SELinux is by default incorporated in the kernel. However, if we are working on any other distribution, such as Debian, we may have to install and configure SELinux on the system:

  1. First, we have to get the basic set of SELinux utilities and default policies by running the following command:

  1. Once the installation has completed, run the following command to configure GRUB and PAM, and to create /autorelabel:

After this, you have to reboot...

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