Hello Everyone! This is Part-1 of two part video on Iptables. Iptables is a firewall tool in linux system that provides an interface with the packet filtering framework of Linux Kernel known as “Netfilter”. In very simple terms, it is a powerful tool to manage network packets coming to and going out of your system.

For the sake of simplicity and easy of understanding, I am going to cover this topic in 2 part. In Part-1, we will cover the basics of using Iptable and Part-2 will be about command syntax and Live demo.

In this Video we will understand 3 basic terms used in iptables. They are
1) Table
2) Chains
3) Rules

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