| RHEL-08-030740 | V1R6 | RHEL 8 must securely compare internal information system clocks at least every 24 hours with a server synchronized to an authoritative time source, such as the United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| SLES-15-010400 | V1R4 | The SUSE operating system clock must, for networked systems, be synchronized to an authoritative DoD time source at least every 24 hours. | |
| WN19-00-000440 | V3R1 | The Windows Server 2019 time service must synchronize with an appropriate DOD time source. | |
| UBTU-18-010501 | V2R12 | The Ubuntu operating system must, for networked systems, compare internal information system clocks at least every 24 hours with a server which is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| UBTU-20-010435 | V1R6 | The Ubuntu operating system must, for networked systems, compare internal information system clocks at least every 24 hours with a server which is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| APPL-14-000014 | V1R1 | The macOS system must enforce time synchronization. | |
| APPL-14-000170 | V1R1 | The macOS system must be configured to use an authorized time server. | |
| APPL-14-000180 | V1R1 | The macOS system must enable time synchronization daemon. | |
| APPL-13-000014 | V1R5 | The macOS system must compare internal information system clocks at least every 24 hours with a server that is synchronized to one of the redundant United States Naval Observatory (USNO) time servers or a time server designated for the appropriate DOD network (NIPRNet/SIPRNet) and/or the Global Positioning System (GPS). | |
| OL07-00-040500 | V3R1 | The Oracle Linux operating system must, for networked systems, synchronize clocks with a server that is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| RHEL-07-040500 | V3R6 | The Red Hat Enterprise Linux operating system must, for networked systems, synchronize clocks with a server that is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| SLES-12-030300 | V3R1 | The SUSE operating system clock must, for networked systems, be synchronized to an authoritative DoD time source at least every 24 hours. | |
| APPL-15-000014 | V1R1 | The macOS system must enforce time synchronization. | |
| APPL-15-000170 | V1R1 | The macOS system must be configured to use an authorized time server. | |
| APPL-15-000180 | V1R1 | The macOS system must enable the time synchronization daemon. | |
| ALMA-09-055130 | V1R1 | The chronyd service must be enabled. | |
| ALMA-09-055240 | V1R1 | AlmaLinux OS 9 must have the chrony package installed. | |
| OL08-00-030740 | V1R6 | OL 8 must compare internal information system clocks at least every 24 hours with a server synchronized to an authoritative time source, such as the United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| OL09-00-000310 | V1R1 | OL 9 must have the chrony package installed. | |
| OL09-00-000311 | V1R1 | OL 9 must enable the chronyd service. | |
| OL09-00-002323 | V1R1 | OL 9 must securely compare internal information system clocks at least every 24 hours. | |
| UBTU-22-252010 | V1R1 | Ubuntu 22.04 LTS must, for networked systems, compare internal information system clocks at least every 24 hours with a server synchronized to one of the redundant United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DOD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | |
| WN11-00-000260 | V1R6 | The Windows 11 time service must synchronize with an appropriate DOD time source. | |
| RHEL-09-252010 | V2R5 | RHEL 9 must have the chrony package installed. | |
| RHEL-09-252015 | V2R5 | RHEL 9 chronyd service must be enabled. | |
| RHEL-09-252020 | V2R5 | RHEL 9 must securely compare internal information system clocks at least every 24 hours. | |
| WN16-00-000450 | V2R9 | The time service must synchronize with an appropriate DoD time source. | |
| WN22-00-000440 | V2R5 | The Windows Server 2022 time service must synchronize with an appropriate DOD time source. | |