arno-iptables-firewall command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

arno-iptables-firewall: command not found

or when using sudo you get the following error message

sudo: arno-iptables-firewall: command not found

Solutions to arno-iptables-firewall: command not found

How To Fix arno-iptables-firewall: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu arno-iptables-firewall is provided by arno-iptables-firewall package.

arno-iptables-firewall is:

Unlike other lean iptables front ends in Debian, arno-iptables-firewall will setup and load a secure, restrictive firewall by just asking a few questions. This includes configuring internal networks for internet access via NAT and potential network services (e.g. HTTP or SSH).

However, it is in no way restricted to this simple setup. Some catch words of additional features, that can be enabled in the well documented configuration file are: DSL/ADSL, port forwarding, DMZ, port-scan detection, MAC address filtering.

Moreover, it comes with an extensive set of plugins to cover further requirements. For example SSH brute force protection, traffic shaping, traffic accounting, VPN support to just mention a few.

To fix this problem, we can install more using the command below.

sudo apt-get -y install arno-iptables-firewall

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install arno-iptables-firewall.

sudo apt -y install arno-iptables-firewall

Or if you have aptitude installed you can use the following command.

sudo aptitude install arno-iptables-firewall

Summary

In this tutorial we learn how to fix arno-iptables-firewall command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.