Remove iptables-services Package

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Description

The iptables-services package can be removed with the following command:


$ sudo yum erase iptables-services

Rationale

iptables-services provides the services iptables and ip6tables that have been split out of the base package since they are not active by default anymore. These services load the iptables rules during the system startup and also allow one to reload the iptables rules during runtime. Those iptables services conflicts with firewalld so they should be removed if firewalld is used.

Remediation

Shell script

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

#!/bin/bash

# Remediation is applicable only in certain platforms
if rpm --quiet -q iptables; then

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

if rpm -q --quiet "iptables-services" ; then

    yum remove -y "iptables-services"

fi

else
    >&2 echo 'Remediation is not applicable, nothing was done'
fi

Ansible playbook

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

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - CCE-86678-0
  - disable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - package_iptables-services_removed

- name: Ensure iptables-services is removed
  package:
    name: iptables-services
    state: absent
  when: '"iptables" in ansible_facts.packages'
  tags:
  - CCE-86678-0
  - disable_strategy
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed
  - package_iptables-services_removed