Linux Security for Beginners--Linux Security Books

Table of Contents - Linux Security for Beginners
1. Introduction to Linux Security
1.1 Do I need to worry about Security?
1.2 The "Hacker" Word
1.3 Security and Linux

2. Firewalls - The First Line of Defense
2.1 What exactly is a Firewall?
2.2 How a Firewall Works
2.2.1 Stealth Mode - Discarding Pings
2.2.2 Port Forwarding and Blocking
2.2.3 Packet Filtering
2.3 Configuring a Typical Router based Firewall
2.3.1 Enable Your Firewall
2.3.2 Port Forwarding
2.3.3 Discard Pings
2.3.4 Application Triggered Port Forwarding
2.3.5 DMZ - The Demiliterized Zone

3. Understanding Linux Services
3.1 Web Server - httpd - Port 80
3.2 Remote Login - telnet - Port 25
3.3 Secure Remote Login - ssh - Port 22
3.4 File Transfer - ftp - Port 21
3.5 Mail Transfer - SMTP - Port 25

4. Configuring Linux Services and Runlevels
4.1 Linux Init and Runlevels
4.2 Confiiguring Linux Services

5. Linux Firewall - The Second Line of Defense
5.1 The lokkit Command
5.2 Graphical Firewall Configuration Tools

6. Linux and Wireless Security
6.1 An Introduction to Wireless Security
6.2 What is Encryption?
6.3 Configuring Linux Wireless Security
6.3.1 Configuring the Wireless Base Station
6.4 Wireless Security on Linux
6.5 Setting up Linux Wireless Encryption
6.5.1 Entering Wireless Encryption Keys