Big Sur - Configure macOS to Use an Authorized Time Server

Information

Approved time servers _MUST_ be the only servers configured for use.

This rule ensures the uniformity of time stamps for information systems with multiple system clocks and systems connected over a network.

Solution

This is implemented by a Configuration Profile.

mobileconfig profile info:

com.apple.MCX:
timeServer:
time-a.nist.gov,time-b.nist.gov

See Also

https://github.com/usnistgov/macos_security

Item Details

Category: AUDIT AND ACCOUNTABILITY, SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|AU-8(1), 800-53|AU-8(1)(a), 800-53|AU-8(1)(b), 800-53|AU-12(1), 800-53|SC-45(1), CCE|CCE-85448-9, CCI|CCI-001891, CCI|CCI-002046, STIG-ID|APPL-11-000014

Plugin: Unix

Control ID: 4c81407fc36b7943433ee66c3b47366630d5a7ee0f9b522b043ad642e08543d6