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Install the ntp service

An XCCDF Rule

Description

The ntpd service should be installed.

Rationale

Time synchronization (using NTP) is required by almost all network and administrative tasks (syslog, cryptographic based services (authentication, etc.), etc.). Ntpd is regulary maintained and updated, supporting security features such as RFC 5906.

ID
xccdf_org.ssgproject.content_rule_package_ntp_installed
Severity
High
References
Updated



Remediation - Puppet

include install_ntp

class install_ntp {
  package { 'ntp':
    ensure => 'installed',
  }

Remediation - Ansible

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - NIST-800-53-CM-6(a)
  - PCI-DSS-Req-10.4

Remediation - OS Build Blueprint


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

Remediation - Shell Script

# Remediation is applicable only in certain platforms
if dpkg-query --show --showformat='${db:Status-Status}
' 'kernel' 2>/dev/null | grep -q installed; then

DEBIAN_FRONTEND=noninteractive apt-get install -y "ntp"