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MODULE 9 - System Security

Overview​

This module teaches you how to secure a Linux system. You will learn about managing permissions, sudo, firewalls, and security best practices.

Learning Objectives​

By the end of this module, you will be able to:

  • Secure file permissions
  • Configure sudo securely
  • Configure and manage firewalls (iptables, firewalld, ufw)
  • Understand SELinux and AppArmor (introduction)
  • Audit system security
  • Secure crons: permissions and environment

Estimated Duration​

Theory: 4-5 hours
Practice: 4-5 hours
Total: 8-10 hours

Module created on: December 2024