How To Install nftables on Debian 9
Introduction
In this tutorial we learn how to install nftables on Debian 9.
What is nftables
nftables is:
These are the user-space administration tools for the Linux kernel’s netfilter and nftables. netfilter and nftables provide a framework for stateful and stateless packet filtering, network and port address translation, and other IP packet manipulation. The framework is the successor to iptables.
Netfilter and nftables are used in applications such as Internet connection sharing, firewalls, IP accounting, transparent proxying, advanced routing and traffic control.
A Linux kernel >= 3.13 is required. However, >= 4.10 is recommended.
There are three methods to install nftables 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 nftables Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install nftables using apt-get by running the following command:
sudo apt-get -y install nftables
Install nftables Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install nftables using apt by running the following command:
sudo apt -y install nftables
Install nftables 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 nftables using aptitude by running the following command:
sudo aptitude -y install nftables
How To Uninstall nftables on Debian 9
To uninstall only the nftables package we can use the following command:
sudo apt-get remove nftables
Uninstall nftables And Its Dependencies
To uninstall nftables and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove nftables
Remove nftables Configurations and Data
To remove nftables configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge nftables
Remove nftables configuration, data, and all of its dependencies
We can use the following command to remove nftables configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge nftables
Dependencies
nftables have the following dependencies:
References
Summary
In this tutorial we learn how to install nftables package on Debian 9 using different package management tools: apt, apt-get and aptitude.