How To Install psad on Kali Linux

Introduction

In this tutorial we learn how to install psad on Kali Linux.

What is psad

psad is:

PSAD is a collection of four lightweight system daemons (in Perl and
C) designed to work with iptables to detect port scans. It features:

• a set of highly configurable danger thresholds (with sensible
  defaults provided);
• verbose alert messages that include the source, destination,
  scanned port range, beginning and end times, TCP flags, and
  corresponding Nmap options;
• reverse DNS information;
• alerts via email;
• automatic blocking of offending IP addresses via dynamic firewall
  configuration.

When combined with fwsnort and the iptables string match extension,
PSAD is capable of detecting many attacks described in the Snort rule
set that involve application layer data.

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

Install psad Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install psad

Install psad Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install psad using apt by running the following command:

sudo apt -y install psad

Install psad Using aptitude

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

sudo aptitude update

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

sudo aptitude -y install psad

How To Uninstall psad on Kali Linux

To uninstall only the psad package we can use the following command:

sudo apt-get remove psad

Uninstall psad And Its Dependencies

To uninstall psad and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove psad

Remove psad Configurations and Data

To remove psad configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge psad

Remove psad configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge psad

Dependencies

psad have the following dependencies:

• libc6
• perl

References

• psad website

Summary

In this tutorial we learn how to install psad package on Kali Linux using different package management tools: apt, apt-get and aptitude.