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Disable named Service

An XCCDF Rule

Description

The named service can be disabled with the following command: 
$ sudo systemctl mask --now named.service

Rationale

All network services involve some risk of compromise due to implementation flaws and should be disabled if possible.

ID
xccdf_org.ssgproject.content_rule_service_named_disabled
Severity
Medium
References
Updated

Remediation Templates

An Ansible Snippet

- name: Block Disable service named
  block:
  - name: Disable service named
    block:

    - name: Disable service named

A Shell Script

# Remediation is applicable only in certain platforms
if [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ]; then
SYSTEMCTL_EXEC='/usr/bin/systemctl'
"$SYSTEMCTL_EXEC" stop 'named.service'
"$SYSTEMCTL_EXEC" disable 'named.service'
"$SYSTEMCTL_EXEC" mask 'named.service'

A Kubernetes Patch

apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
spec:
  config:
    ignition:
      version: 3.1.0

OS Build Blueprint

[customizations.services]
disabled = ["named"]

A Puppet Snippet

include disable_named
class disable_named {
  service {'named':
    enable => false,
    ensure => 'stopped',
  }
}