Protecting Incoming Traffic with Nftables

Welcome to our comprehensive guide on safeguarding your system with Nftables! In this tutorial, we delve into the powerful world of network filtering and security by focusing on protecting incoming traffic using Nftables, a robust firewall utility in Linux. Whether you're a novice or an experienced user, this step-by-step tutorial will walk you through the essentials, from understanding the basics of Nftables to implementing rules that shield your system from unwanted incoming traffic. Learn how to fortify your network, control access, and enhance your system's security with this in-depth tutorial. Join us and take control of your network's safety with Nftables!"

00:00 Introduction
00:36 Task at hand
01:30 Testing connection with netcat
03:06 Tables and chains
05:31 First rule
06:47 Creating a counter
10:44 Matching connections by state
14:46 Named counters
15:56 Anonymous sets
17:33 Allowing multiple IPs
18:11 Named sets
20:06 Concatenation