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LinkedIn Learning

Firewall Administration Essential Training

via LinkedIn Learning

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Overview

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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.

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
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

Taught by

Sean Colins

Reviews

4.7 rating at LinkedIn Learning based on 578 ratings

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