Ways to Install and Uninstall apf-firewall Ubuntu 22.04

Updated: August 31, 2022

Advanced Policy Firewall (APF) is an iptables(netfilter) based firewall system designed around the essential needs of today’s Internet deployed servers and the unique needs of custom deployed Linux installations. The configuration of APF is designed to be very informative and present the user with an easy to follow process, from top to bottom of the configuration file. The management of APF on a day-to-day basis is conducted from the command line with the ‘apf’ command, which includes detailed usage information and all the features one would expect from a current and forward thinking firewall solution. In this guide, I will show you ways to install apf-firewall Ubuntu 22.04.

Prerequisites

  • OS: Ubuntu 22.04 or older Ubuntu versions
  • Privileges: Make sure that you can run the sudo commands line.

Prerequisites to install apf-firewall on Ubuntu 22.04

Install apf-firewall Ubuntu 22.04

apf-firewall is one of the popular ways on Ubuntu now so that this tutorial will show you how to install it in various ways. Choose the one that you think is easy and you can follow.

Install apf-firewall using APT

This is one of the popular ways to install any Ubuntu packages because it’s easy to follow, even if you are a newbie in Linux. Following these steps to install apf-firewall on your Ubuntu 22.04.

Step 1: You must update the APT package repository cache before attempting to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Launch the terminal and enter the following Linux command:

sudo apt -y update

Step 2: Start the package installation on Ubuntu 22.04. After updating, you can install apf-firewall Ubuntu by executing this command in the terminal.

sudo apt install apf-firewall

Install apf-firewall using Aptitude

Users can manage their installation, upgrade, and removal of packages with Aptitude and view a list of the packages that are currently available. If you haven’t already installed it on Ubuntu, run this command to do so.

sudo apt -y install aptitude

After installing it, you can now install apf-firewall by following these steps:

Step 1: You must update the APT package repository cache before attempting to install, update, or remove any packages. Update the APT database to download new packages from Ubuntu. Launching the terminal and entering the following Linux command:

sudo apt-get -y update

Step 2: Start installing the packages on Ubuntu 22.04. You can now install apf-firewall Ubuntu by executing this command in the terminal.

sudo aptitude -y install apf-firewall

Uninstall apf-firewall on Ubuntu 22.04

Have you ever thought that uninstalling an application from Ubuntu might be challenging? You’re wrong; any program, not just a apf-firewall, can be easily uninstalled by anyone.

If you installed apf-firewall using APT or Aptitude, you could uninstall apf-firewall on Ubuntu by running this command

sudo apt remove --auto-remove apf-firewall

You can also execute this command if you want to uninstall apf-firewall and remove its data and dependencies:

sudo apt autoremove --purge apf-firewall

Conclusion

In this guide, I showed you ways to install apf-firewall on Ubuntu 22.04 and some ways to uninstall apf-firewall too. Please contact me if you require any assistance. I’d be delighted to respond.