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.
Overview
Syllabus
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
- Understand traditional firewalls
- Understand protocols
- Initial setup
- Create firewall schedules
- Create firewall rules
- Create floating rules
- Allow specific inbound traffic with rules
- 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
- Prioritizing VOIP traffic
- Blocking access to websites
- Intrusion protection basics
- Reducing priority by application type
- Understand proxies and SSL
- Firewall command-line access
- Firewall rule troubleshooting
- Troubleshoot gaming performance
- Troubleshoot software updates
- Read logs and interpret TCP flag definitions
- Next steps
Taught by
Sean Colins
