NTP¶

Field	Value
Purpose	NTP daemon (ntpd) specific configuration
Repo	AmadlaOrg/Entities/Application/Timekeeping/NTP
Entity URI	`amadla.org/entity/application/timekeeping/ntp@v1.0.0`
Parent type	Application/Timekeeping

Schema¶

Property	Type	Description
`restrict`	array	Access control restrictions (ntp.conf `restrict` directives)
`restrict[].address`	string	IP address or `default`
`restrict[].mask`	string	Netmask
`restrict[].options`	array of strings	Flags: `nomodify`, `notrap`, `nopeer`, `noquery`
`driftfile`	string	Path to drift file (default: `/var/lib/ntp/drift`)
`statsdir`	string	Directory for statistics files
`leapfile`	string	Path to leap seconds file
`broadcast`	array of strings	Broadcast addresses for NTP broadcast mode
`disable_monitor`	boolean	Disable monlist to prevent amplification attacks (default: `true`)

Example¶

_type: amadla.org/entity/application/timekeeping/ntp@v1.0.0
_extends: amadla.org/entity/application/timekeeping@v1.0.0
_body:
  servers:
    - 0.pool.ntp.org
    - 1.pool.ntp.org
  driftfile: /var/lib/ntp/drift
  disable_monitor: true
  restrict:
    - address: default
      options: [nomodify, notrap, nopeer, noquery]
    - address: 127.0.0.1
    - address: "::1"
  leapfile: /usr/share/zoneinfo/leap-seconds.list

Consumers¶

Tool	How It Uses Application/Timekeeping/NTP
lay	Installs the `ntp` package
weaver	Generates `/etc/ntp.conf`
enjoin-service	Enables/starts `ntpd` service