Firewall Administration Essential Training (2019)

Course details

Security is the greatest need in the digital world right now, and it shows no sign of slowing down. And when it comes to protecting a private network, a firewall is the most fundamental security technology out there. In this course, Sean Colins covers the fundamentals of firewall functionality, configuration, and administration in short, easy-to-understand segments designed to put this complex network security technology into the reach of novice to intermediate firewall administrators. Sean goes over basic and advanced firewall configuration tasks, shares practical case studies, and offers troubleshooting tips. Upon wrapping up this course, you'll be ready to get your own firewall up and running on your network.

Learning objectives
Designing your network
Creating firewall schedules and rules
Setting up a virtual IP
Using aliases to group hosts
Preventing local traffic from exiting to the internet
Using Snort and other intrusion detection systems
Prioritizing VoIP traffic
Blocking access to specific websites
Troubleshooting gaming performance issues
Interpreting TCP flag definitions

Concepts

Introduction

Build a secure network barrier with a firewall
Why do you need a firewall
Types of firewalls
Decide which type of firewall to use
What it won't do
Plan for your firewall
Design your network
Document your design

Basic Firewall Configuration

Understand traditional firewalls
Understand protocols
Initial setup
Create firewall schedules
Create firewall rules
Create floating rules
Allow specific inbound traffic with rules

Advanced Firewall Configuration

Use aliases to efficiently group hosts
Use ports in aliases
Prevent local traffic from exiting to the internet
Traffic shaping
Introduction to IPS IDS via Snort

Configuration Case Studies

Prioritizing VOIP traffic
Blocking access to websites
Intrusion protection basics
Reducing priority by application type
Understand proxies and SSL

Troubleshooting

Firewall command-line access
Firewall rule troubleshooting
Troubleshoot gaming performance
Troubleshoot software updates
Read logs and interpret TCP flag definitions

Conclusion

Next steps