How To Setup UFW Firewall on Debian 10

Setup UFW Firewall on Debian 10

In this tutorial we will show you how to Setup UFW Firewall on Debian 10. For those of you who didn’t know, UFW (Uncomplicated Firewall) is a user-friendly front-end for managing iptables firewall rules. Its main goal is to make managing iptables easier or, as the name says, uncomplicated.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo’ to the commands to get root privileges. I will show you through the step by step set up UFW Firewall on a Debian 10 (Buster) server.

Setup UFW Firewall on Debian 10 Buster

Step 1. Before we install any software, it’s important to make sure your system is up to date by running these following apt commands in the terminal:

Step 2. Installing UFW Firewall on Debian 10.

UFW is available right in the Debian repositories, Install UFW by using the following command:

To check whether ufw is running run:

Step 3. Setup UFW.

The first step in setting up any firewall is setting your default behaviors. With UFW you can set these things by using the following commands:

  • How to Allow Ports using UFW, check this out example the command:
  • How to Allow Interfaces using UFW, check this out example the command:
  • How to Allow Protocol, check this out example the command:
  • How to Allow IP Addresses, check this out example the command:

For more usage commands you can use the --help flag:

Congratulation’s! You have successfully Setup UFW Firewall. Thanks for using this tutorial for Set up UFW Firewall on your Debian 10 Buster system. For additional help or useful information, we recommend you to check the official UFW Firewall website.

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