Uninstall nftables package


nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames and is the successor to iptables. The nftables package can be removed with the following command:

$ apt-get remove nftables


Running both firewalld and nftables may lead to conflict.


Shell script

The following script can be run on the host to remediate the issue.


# CAUTION: This remediation script will remove nftables
#	   from the system, and may remove any packages
#	   that depend on nftables. Execute this
#	   remediation AFTER testing on a non-production
#	   system!

DEBIAN_FRONTEND=noninteractive apt-get remove -y "nftables"

Ansible playbook

The following playbook can be run with Ansible to remediate the issue.

- name: Ensure nftables is removed
    name: nftables
    state: absent
  - disable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - package_nftables_removed