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Table of contents
Introduction
Mastering Security-Enhanced Linux (SELinux): Introduction
Module 1: SELinux Fundamentals
Module introduction
Lesson 1: Mandatory Access Control
Learning objectives
1.1 Working of SELinux
1.2 Requiring Mandatory Access Control
1.3 Understanding SELinux and Discretionary Access Control
Lesson 1 Lab Exploring SELinux Settings
Lesson 2: Enabling SELinux
Learning objectives
2.1 Managing States and Modes on Red Hat
2.2 Installing SELinux on Ubuntu
2.3 Understanding Policies
Lesson 2 Lab Managing SELinux States
Lesson 3: Understanding Context Labels
Learning objectives
3.1 Showing Context Labels
3.2 Understanding When to Set Context labels
3.3 Using the audit.log to Examine Issues
3.4 Understanding Context Inheritance
Lesson 3 Lab Examining SELinux events
Lesson 3 Lab Solution Examining SELinux events
Lesson 4: Managing Context Labels
Learning objectives
4.1 Finding the Right Context
4.2 Setting Context on Files
4.3 Setting Context on Ports
4.4 Using Customizable Types
4.5 Configuring a Non-default Apache DocumentRoot
Lesson 4 Lab Running SSH on Port 443
Lesson 4 Lab Solution Running SSH on Port 443
Lesson 5: Using Booleans
Learning objectives
5.1 Understanding Booleans
5.2 Using Booleans
5.3 Finding Booleans
Lesson 5 Lab Configuring vsftpd for Anonymous Uploads
Lesson 5 Lab Solution Configuring vsftpd for Anonymous Uploads
Module 2: Analyzing SELinux
Module introduction
Lesson 6: Troubleshooting SELinux
Learning objectives
6.1 Troubleshooting SELinux Issues
6.2 Understanding the Audit Logs
6.3 Understanding Dontaudit Rules
6.4 Using audit2allow
6.5 Using sealert
6.6 Loading SELinux Manually
Lesson 6 Lab Troubleshooting SELinux
Lesson 6 Lab Solution Troubleshooting SELinux
Lesson 7: Analysing Booleans and Rules
Learning objectives
7.1 Analyzing the Policy
7.2 Terminology
7.3 Using sesearch
7.4 Using seinfo
7.5 Finding What a Domain can Do
7.6 Analyzing Booleans
7.7 Analyzing Transition Rules
Lesson 7 Lab Investigating Booleans
Lesson 7 Lab Solution Investigating Booleans
Module 3: Using Custom Applications with SELinux
Module introduction
Lesson 8: SELinux Modules
Learning objectives
8.1 Managing Modules
8.2 Writing Custom Modules
8.3 Generating Custom Modules
Lesson 8 Lab Enabling your Application with Modules
Lesson 8 Lab Solution Enabling your Application with Modules
Lesson 9: Making Any Application work with SELinux
Learning objectives
9.1 Understanding Options for Running Custom Applications
9.2 Using Unconfined Domains
9.3 Using runcon ro Run Applications with a Specific Context
9.4 Using sepolgen to generate Application Policy Modules
Lesson 9 Lab Running any Application on an SELinux System
Lesson 9 Lab Solution Running any Application on an SELinux System
Module 4: Military Grade Security with SELinux users and MLS
Module introduction
Lesson 10: SELinux Users
Learning objectives
10.1 Understanding Users and Roles
10.2 Mapping Linux Users to SELinux Users
10.3 Using Booleans to Manage SELinux Users
10.4 Restricting Root
Lesson 10 Lab Creating a Kiosk User
Lesson 10 Lab Solution Creating a Kiosk User
Lesson 11: Using Multi-Level Security (MLS)
Learning objectives
11.1 Understanding MLS and MCS
11.2 Enabling an MLS Policy
11.3 Creating a user with a Clearance Level
11.4 Understanding What Needs to be done on Directories
Lesson 11 Lab Using MLS
Lesson 11 Lab Solution Using MLS
Lesson 12: Using Multi-Category Security (MCS)
Learning objectives
12.1 Understanding MCS
12.2 Grouping Users and Applications with MCS
12.3 Combining MLS and MCS
Lesson 12 Lab Configuring MCS
Lesson 12 Lab Solution Configuring MCS
Module 5: Managing SELinux with Ansible
Module introduction
Lesson 13: SELinux and Containers
Learning objectives
13.1 Understanding Container SELinux Needs
13.2 Configuring Container Storage Access
13.3 Using udica to Configure Container Access
Lesson 13 Lab Configuring SELinux for Containers
Lesson 13 Lab Solution Configuring SELinux for Containers
Lesson 14: Using Ansible to Manage SELinux
Learning objectives
14.1 Using SELinux Ansible modules
14.2 Using the RHEL System Role to Manage SELinux
Lesson 14 Lab Using Ansible to manage SELinux
Lesson 14 Lab Solution Using Ansible to manage SELinux
Summary
Mastering Security-Enhanced Linux (SELinux): Summary
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