
N4N049: Understanding Firewalls
From N Is For Networking by Packet Pushers
February 19, 2026 · 1h 10m · Episode 49
About this episode
Ethan and Holly provide an overview of firewalls and their relevance to network engineering and cybersecurity.
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 »
People in this episode
Hosts: Ethan, Holly
Topics covered
- firewalls
- cybersecurity
- network engineering
- packet level
- network management
Keywords
- firewalls
- cybersecurity
- network engineering
- packet level
- network management
Mentioned in this episode
Organizations: Packet Pushers
More episodes of N Is For Networking
- N4N057: The Art of Troubleshooting · June 11, 2026 · 1h 23m
- N4N056: A Wireless NAC Walkthrough · May 28, 2026 · 1h 11m
- N4N055: A Wired NAC Walkthrough · May 14, 2026 · 1h 16m
- N4N054: Network Access Control (NAC) Basics · April 30, 2026 · 1h 6m
- N4N053: Well Actually 03 – Multicast, Routing Protocols, RFC 1918 · April 16, 2026 · 57 min
- N4N052: Multicast Part 2 · April 2, 2026 · 1h 25m
Explore listener stats, chart rankings, contacts and more on the N Is For Networking podcast page.