Format

Classroom

Duration

5.0 Day(s)

Description

This course is designed to teach the student how to implement a Linux-based firewall.

Audience

This course is designed for experienced Linux and networking professionals who are responsible for configuring and maintaining a Linux-based firewall.

Prerequisites

- LX02: Linux Basics
- LX03: Linux System Administration
- LX07: Linux TCP/IP Administration

Objectives

After completion of this course, students should be able to:
- Discuss network and system security, and the place of a firewall therein
- Install and harden Linux
- Configure packet filtering and network address translation
- Configure socks and proxy services
- Configure DNS on a firewall
- Configure E-mail forwarding on a firewall
- Configure Virtual Private Networking
- Configure and use hackers' tools
- Detect and counter firewall intrusions

Contents

Introduction to network security and firewalls
Installing and securing Linux
The TCP/IP Protocol Suite
Packet filtering and Network Address Translation
Secure Shell and Secure Copy
Socks Service
Proxy Service
Securing DNS
Securing E-mail
Virtual Private Networking
Hackers’ tools
Detecting and countering firewall intrusions
Good Practices