In this section, you gained insights into:

Pluggable Authentication Module (PAM):
Understanding PAM as a modular system that facilitates the integration of various authentication methods into the system.

Pluggable Authentication Modules (PAM):
Exploring the concept of PAM modules, which provide authentication services and can be customized to suit specific requirements.

Authentication and Configuration Files:
Understanding the role of authentication files and configuration files in the PAM framework.

PAM Rules:
Exploring the concept of PAM rules, which define the authentication steps and criteria.

LDAP Authentication:
Learning about LDAP (Lightweight Directory Access Protocol) authentication as a method of utilizing a centralized directory for user authentication.

Quiz 26.1: Working with SSL Certificate:
Testing your knowledge through a quiz focused on working with SSL certificates, reinforcing your understanding of security practices related to authentication.