CompTIA Security+ Certification SY0-601: The Total Course - Firewalls

The video tutorial covers the basics of firewalls, including hardware and software types, and their configuration using access control lists (ACLs). It explains packet filtering firewalls, focusing on OSI Layer 4, and the differences between stateful and stateless firewalls. The tutorial also demonstrates configuring firewalls in Microsoft Azure, using network security groups to manage traffic. Advanced firewall features, such as content and URL filtering, are discussed, highlighting their application at OSI Layer 7. The video concludes with a look at web application firewalls (WAFs) and their role in protecting against web-based attacks.

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