How To Install portsentry on Kali Linux
Introduction
In this tutorial we learn how to install portsentry on Kali Linux.
What is portsentry
portsentry is:
PortSentry has the ability to detect portscans(including stealth scans) on the network interfaces of your machine. Upon alarm it can block the attacker via hosts.deny, dropped route or firewall rule. It is part of the Abacus program suite.
Note: If you have no idea what a port/stealth scan is, It’s recommended to have a look at http://sf.net/projects/sentrytools/ before installing this package. Otherwise you might easily block hosts you’d better not (e.g. your NFS-server, name-server, etc.).
There are three methods to install portsentry 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 portsentry Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get updateAfter updating apt database, We can install portsentry using apt-get by running the following command:
sudo apt-get -y install portsentryInstall portsentry Using apt
Update apt database with apt using the following command.
sudo apt updateAfter updating apt database, We can install portsentry using apt by running the following command:
sudo apt -y install portsentryInstall portsentry 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 updateAfter updating apt database, We can install portsentry using aptitude by running the following command:
sudo aptitude -y install portsentryHow To Uninstall portsentry on Kali Linux
To uninstall only the portsentry package we can use the following command:
sudo apt-get remove portsentryUninstall portsentry And Its Dependencies
To uninstall portsentry and its dependencies that are no longer needed by Kali Linux, we can use the command below:
sudo apt-get -y autoremove portsentryRemove portsentry Configurations and Data
To remove portsentry configuration and data from Kali Linux we can use the following command:
sudo apt-get -y purge portsentryRemove portsentry configuration, data, and all of its dependencies
We can use the following command to remove portsentry configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge portsentryDependencies
portsentry have the following dependencies:
References
Summary
In this tutorial we learn how to install portsentry package on Kali Linux using different package management tools: apt, apt-get and aptitude.