N4N049: Understanding Firewalls
N4N049: Understanding Firewalls  
Podcast: N Is For Networking
Published On: Thu Feb 19 2026
Description: Today, Ethan and Holly provide an overview of firewalls. While cybersecurity is a separate discipline from network engineering, much of what happens in cybersecurity is interesting at the packet level, so there’s a good deal of overlap. It’s likely that as a network engineer, you’ll be managing, or at least dealing with, firewalls in your... Read more »