| 1.6.1 Configure at least 3 external NTP Servers - ntp source-interface | CIS Cisco NX-OS L2 v1.0.0 | Cisco | AUDIT AND ACCOUNTABILITY |
| 1.6.2 Configure a Time Zone | CIS Cisco NX-OS L1 v1.0.0 | Cisco | AUDIT AND ACCOUNTABILITY |
| 1.6.3 If a Local Time Zone is used, Configure Daylight Savings | CIS Cisco NX-OS L1 v1.0.0 | Cisco | AUDIT AND ACCOUNTABILITY |
| 1.6.3 If a Local Time Zone is used, Configure Daylight Savings | CIS Cisco NX-OS L2 v1.0.0 | Cisco | AUDIT AND ACCOUNTABILITY |
| 1.9.1.1 Ensure 'NTP authentication' is enabled | CIS Cisco Firewall ASA 9 L1 v4.1.0 | Cisco | AUDIT AND ACCOUNTABILITY |
| 2.1 Configure NTP time synchronization | CIS VMware ESXi 5.5 v1.2.0 Level 1 | VMware | AUDIT AND ACCOUNTABILITY |
| 2.1 Ensure NTP time synchronization is configured properly | CIS VMware ESXi 6.5 v1.0.0 Level 1 | VMware | AUDIT AND ACCOUNTABILITY |
| 2.1.1.1 Ensure time synchronization is in use | CIS Aliyun Linux 2 L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.1 Ensure time synchronization is in use | CIS Debian Family Workstation L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.2 Ensure ntp is configured - -u ntp:ntp | CIS Aliyun Linux 2 L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.2 Ensure systemd-timesyncd is configured - FallbackNTP | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.2 Ensure systemd-timesyncd is configured - NTP | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.2 Ensure systemd-timesyncd is configured - NTP | CIS Ubuntu Linux 16.04 LTS Server L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.2 Ensure systemd-timesyncd is configured - NTP | CIS Debian Family Workstation L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.2 Ensure systemd-timesyncd is configured - RootDistanceMaxSec | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.3 Ensure chrony is configured - chrony server/pool | CIS Aliyun Linux 2 L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.3 Ensure chrony is configured - package ntp | CIS Debian Family Server L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.3 Ensure chrony is configured - server | CIS Ubuntu Linux 18.04 LTS Workstation L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.3 Ensure chrony is configured - user | CIS Debian Family Server L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.4 Ensure ntp is configured - restrict -4 | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.4 Ensure ntp is configured - server | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.4 Ensure ntp is configured - server | CIS Ubuntu Linux 18.04 LTS Server L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.4 Ensure ntp is configured - user | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.1.1.4 Ensure ntp is configured - user | CIS Ubuntu Linux 16.04 LTS Server L1 v2.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.1 Ensure time synchronization is in use | CIS Amazon Linux v2.1.0 L1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.1 Ensure time synchronization is in use | CIS Ubuntu Linux 14.04 LTS Server L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.1 Ensure time synchronization is in use | CIS Amazon Linux 2 STIG v1.0.0 L1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure ntp is configured - 'server' | CIS Ubuntu Linux 14.04 LTS Server L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure ntp is configured - 'server' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure ntp is configured - daemon | CIS Amazon Linux 2 STIG v1.0.0 L1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure ntp is configured - remote server | CIS Amazon Linux v2.1.0 L1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure ntp is configured - remote server | CIS Amazon Linux 2 STIG v1.0.0 L1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure systemd-timesyncd is configured - FallbackNTP | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure systemd-timesyncd is configured - FallbackNTP | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure systemd-timesyncd is configured - NTP | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.2 Ensure systemd-timesyncd is configured - NTP | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure chrony is configured | CIS Debian 9 Server L1 v1.0.1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure chrony is configured | CIS Debian 9 Workstation L1 v1.0.1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure chrony is configured - 'server' | CIS Ubuntu Linux 14.04 LTS Server L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure chrony is configured - 'server' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure chrony is configured - remote server | CIS Amazon Linux 2 STIG v1.0.0 L1 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure ntp is configured - ntp:ntp | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure ntp is configured - restrict -4 | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 2.2.1.3 Ensure ntp is configured - restrict -6 | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 6.5 Configure Network Time Protocol (NTP) - Server | CIS Ubuntu 12.04 LTS Benchmark L1 v1.1.0 | Unix | AUDIT AND ACCOUNTABILITY |
| 6.18 Ensure Time-Zone is Set to UTC | CIS Juniper OS Benchmark v2.1.0 L2 | Juniper | AUDIT AND ACCOUNTABILITY |
| Ensure ntp is configured - OPTIONS or ExecStart -u ntp:ntp | Tenable Cisco Firepower Management Center OS Best Practices Audit | Unix | AUDIT AND ACCOUNTABILITY |
| Ensure ntp is configured - server | Tenable Cisco Firepower Management Center OS Best Practices Audit | Unix | AUDIT AND ACCOUNTABILITY |
| NTP client configured | TNS Citrix Hypervisor | Unix | AUDIT AND ACCOUNTABILITY |
| XenServer - NTP client configured | TNS Citrix XenServer | Unix | AUDIT AND ACCOUNTABILITY |
