Course Overview

 

General Security

 

 Section Overview – General Security

 

 Is Linux Secure?

 

 What Makes Linux Secure?

 

 Security Guidelines and Principles

 

 Section Summary – General Security

 

Physical Security

 

 Section Overview – Physical Security

 

 Physical Security Concepts

 

 Single User Mode Security

 

 Single User Mode and Blank Passwords

 

 Securing the Boot Loader

 

 Disk Encryption

 

 Encrypting a New Device, Part I

 

 Encrypting a New Device, Part II

 

 Encrypting an Existing Device

 

 Disabling Control Alt Delete

 

 Section Summary – Physical Security

 

Account Security

 

 Section Overview – Account Security

 

 Intro to PAM

 

 PAM Configuration Example

 

 Password Security

 

 Account Security Demo # (UID )

 

 Controlling Account Access

 

 Security by Account Type

 

 Account Security Demo # 1

 

 Account Security Demo # 2

 

Network Security

 

 Section Overview – Network Security

 

 Network Security, Part I

 

 Network Security, Part II

 

 Securing SSHD, Part I

 

 Securing SSHD, Part II

 

 Linux Firewall Fundamentals

 

 Configuring the Firewall from the Command Line

 

 Firewall Rule Specifications

 

 Example Firewall Rules

 

 Linux Firewall Demonstration

 

 TCP Wrappers, Part I

 

 TCP Wrappers, Part I|

 

 

File System Security

 

 Section Overview – File System Security

 

 File and Directory Permissions

 

 File and Directory Permissions, Part I

 

 File and Directory Permissions, Part II

 

 Special Modes, Part I

 

 Special Modes, Part II

 

 File Attributes

 

 File Attributes Demo

 

 ACLs

 

 ACLs Demo

 

 Rootkits

 

 Rootkit Hunter Demonstration

 

Additional Security Resources