Lesson Three: Firewall Technologies: Types, Features, and How They Work

n this third lesson, you will explore different firewall technologies and understand how they protect networks from cyber threats. Learn about Packet Filtering Firewalls, Stateful Inspection Firewalls, Proxy Firewalls, Next-Generation Firewalls (NGFW), and Web Application Firewalls (WAF). Discover how each technology works, its key features, and its role in network security. By the end of this lesson, you will understand the differences between firewall technologies and how to choose the right solution for different security needs.