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Install nftables Package

An XCCDF Rule

Description

nftables provides a new in-kernel packet classification framework that is based on a network-specific Virtual Machine (VM) and a new nft userspace command line tool. nftables reuses the existing Netfilter subsystems such as the existing hook infrastructure, the connection tracking system, NAT, userspace queuing and logging subsystem. The nftables package can be installed with the following command: 
$ sudo yum install nftables

Rationale

nftables is a subsystem of the Linux kernel that can protect against threats originating from within a corporate network to include malicious mobile code and poorly configured software on a host.

ID
xccdf_org.ssgproject.content_rule_package_nftables_installed
Severity
Medium
References
Updated

Remediation Templates

A Puppet Snippet

include install_nftables
class install_nftables {
  package { 'nftables':
    ensure => 'installed',
  }
}

An Ansible Snippet

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - PCI-DSSv4-1.2
  - PCI-DSSv4-1.2.1

script:kickstart

package install nftables

OS Build Blueprint

[[packages]]
name = "nftables"
version = "*"

script:bootc

dnf install nftables

Anaconda Pre-Install Instructions

package --add=nftables

A Shell Script

# Remediation is applicable only in certain platforms
if ( rpm --quiet -q kernel ); then
if ! rpm -q --quiet "nftables" ; then
    yum install -y "nftables"
fi