Related: Getting Started using SSH with PowerShellĢ. Open a terminal session on your server either locally or via SSH. To install the IPTables Persistent Firewall, proceed with the following steps.ġ. But first, you will need to install the persistent firewall package. Related: How to Install Ubuntu 20.04 Installing the Iptables Persistent Firewall ServiceĪs the name implies, the IPTables Persistent Firewall is a service that saves your rulesets and automatically applies IPTables rules on server restarts. This tutorial uses Ubuntu 14.04 for the examples but should work with other Linux distros and newer Ubuntu versions. If you’d like to follow along, be sure you have an Linux server or desktop computer. This tutorial houses hands-on demonstrations. Ready to get your hands dirty? Time to dive in! Prerequisites
Lucky for you, this tutorial will teach you how to implement a firewall with basic iptables rules configuration that you can then customize based on your requirements. Configuring a firewall with iptables rules is one way to mitigate such risks on Linux systems. These reasons are why you should implement a firewall as part of your overall network security strategy. Server hacking and unauthorized access are genuine threats.
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