PP098: What Goes On Inside a Firewall? episode artwork

EPISODE · Feb 24, 2026 · 57 MIN

PP098: What Goes On Inside a Firewall?

from The Fat Pipe - Most Popular Packet Pushers Pods · host Packet Pushers

On today’s show, we pop the lid off of a firewall (figuratively speaking) to understand what’s inside. We talk about how a packet moves through various packet-processing elements inside a firewall, how header analysis and de-encapsulation work, which hardware component has the biggest impact on performance, why stateful inspection still matters in an age of... Read more »

On today’s show, we pop the lid off of a firewall (figuratively speaking) to understand what’s inside. We talk about how a packet moves through various packet-processing elements inside a firewall, how header analysis and de-encapsulation work, which hardware component has the biggest impact on performance, why stateful inspection still matters in an age of... Read more »

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PP098: What Goes On Inside a Firewall?

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This episode is 57 minutes long.

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This episode was published on February 24, 2026.

What is this episode about?

On today’s show, we pop the lid off of a firewall (figuratively speaking) to understand what’s inside. We talk about how a packet moves through various packet-processing elements inside a firewall, how header analysis and de-encapsulation work,...

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