Linux Networking

A 30–40 min mini-course on iptables, nftables, and the Linux routing stack — for beginners

3 Lessons ~50–60 min total Beginner Animated Demos

📄 Download Full Course PDF

Module 1 Linux Networking Foundations

01 Packet Filtering: from iptables to nftables

slides ↓ theory ↓ lab_guide ↓ homework ↓ solutions ↓

02 How Linux Decides Where Packets Go

slides ↓ theory ↓ lab_guide ↓ homework ↓ solutions ↓

03 Policy-Based Routing

slides ↓ theory ↓ lab_guide ↓ homework ↓ solutions ↓