Firewall Administration Essential Training

Learn how to plan for, install, and administer a network firewall. Explore how firewalls help to secure traffic, and get tips for building a secure network barrier of your own.

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

1. 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

2. 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

3. Configuration Case Studies

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

4. Troubleshooting

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

Conclusion

• Next steps