How To Install nftables on Debian 12
Introduction
In this tutorial we learn how to install nftables
on Debian 12.
What is nftables
nftables is:
This software provides an in-kernel packet classification framework that is based on a network-specific Virtual Machine (VM) and the nft userspace command line tool. The nftables framework reuses the existing Netfilter subsystems such as the existing hook infrastructure, the connection tracking system, NAT, userspace queueing and logging subsystem.
nftables replaces the old popular iptables, ip6tables, arptables and ebtables.
Netfilter software and nftables in particular 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, >= 4.14 is recommended.
There are three methods to install nftables
on Debian 12. 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 12
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 12, 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 12 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 12 using different package management tools: apt
, apt-get
and aptitude
.