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Configuring an Iptables Firewall: Basic Rules and Commands

Introduction Iptables​ is a command-line ​firewall ​utility. This means that it is software that allows you to configure a firewall on your system. It is typically available by default on ​Linux​ systems. In this guide, we will ​discuss some of the common rules and commands that go with the iptables​ firewall. Whenever a connection tries to establish itself with your …

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Listing and Deleting Iptables Firewall Rules

Iptables is the primary firewall that comes with most of the Linux distros by default. It’s responsible for handling network security. It works by comparing the data packets against a set of rules, instructing the system to accept, refuse, or forward a connection according to the rules. In this tutorial, we will show you how to list and delete rules, …