How To Install libfko-python on Debian 9

In this tutorial we learn how to install libfko-python on Debian 9. libfko-python is FireWall KNock OPerator - Python module

Introduction

In this tutorial we learn how to install libfko-python on Debian 9.

What is libfko-python

libfko-python is:

The FireWall KNock OPerator implements an authorization scheme called Single Packet Authorization (SPA), based on Netfilter and libpcap.

Its main application is to protect services such as OpenSSH with an additional layer of security in order to make the exploitation of vulnerabilities (both 0-day and unpatched code) much more difficult.

The authorization server passively listens for authorization packets via libcap, so there is no service listening for network connections on the traditional port. Access to a protected service is only granted after a valid encrypted and non-replayed packet is detected.

This package provides the FKO module as a Python interface.

There are three methods to install libfko-python on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libfko-python Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libfko-python using apt-get by running the following command:

sudo apt-get -y install libfko-python

Install libfko-python Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libfko-python using apt by running the following command:

sudo apt -y install libfko-python

Install libfko-python Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libfko-python using aptitude by running the following command:

sudo aptitude -y install libfko-python

How To Uninstall libfko-python on Debian 9

To uninstall only the libfko-python package we can use the following command:

sudo apt-get remove libfko-python

Uninstall libfko-python And Its Dependencies

To uninstall libfko-python and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libfko-python

Remove libfko-python Configurations and Data

To remove libfko-python configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libfko-python

Remove libfko-python configuration, data, and all of its dependencies

We can use the following command to remove libfko-python configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libfko-python

Dependencies

libfko-python have the following dependencies:

References

Summary

In this tutorial we learn how to install libfko-python package on Debian 9 using different package management tools: apt, apt-get and aptitude.