Let us take a look at the 5 different tables along with their roles: a. Iptables consist of 5 different types of tables, out of which 3 are main tables and each table has a different role. Let us look at each of these terms one by one: 1. When talking about iptables, it is very important to understand the 3 terms: Understanding basic concepts of iptablesįor the sake of simplicity and understandability, let us look into the basic concepts and terminologies that are related to iptables. Using iptables, you can perform different tasks like blocking cookies from a specific website, stopping spam mail coming to your account, blocking a specific user, or a group of people over a network and so many more things to improve your security. That is exactly what iptables is used for. However, in a world that revolves around the internet, with millions of cookies, trackers, spam emails, and phishing attempts, you must only learn to take better precautions. So secure that you don’t have to install an antivirus to protect your PC from malware and viruses as they ask for approval in the form of a password for every application and program to run. Linux-based operating systems are very secure by themselves. The reason iptables gets its name is because we create tables that allow and block different IP addresses. Iptables is a terminal interface used to maintain and set up tables for the Netfilter firewall for IPv4 included in the Linux kernel. Iptables make Linux even more secure as it gives you full control of what traffic you can block and allow. You can set this up for your computer or an entire network. It is pretty much saying what traffic you want to allow and what traffic you want to block. A firewall is just a way you can filter traffic. Iptables act as a firewall to your system. In the end, you will also learn different firewall rules so that you can use them yourself. We will look into how to start iptables and the different options used with iptables. In this article, you will learn what are iptables in Linux, and some terminology related to iptables like chain, rules, nat, filter, etc. We offer you a brighter future with FREE online courses Start Now!!
0 Comments
Leave a Reply. |