From A10 Networks ADC NDM Security Technical Implementation Guide
Part of SRG-APP-000373-NDM-000298
Associated with: CCI-000366 CCI-001893
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other functions.
Review the device configuration. The following command shows the configuration with an output modifier to display only NTP-related configuration: show run | include ntp Alternately, enter the command to display the configured NTP servers and whether or not NTP is enabled: show ntp servers If the output shows fewer than two configured NTP servers, this is a finding. Ask the device administrator where the Primary NTP Server and Secondary NTP Server are located. If they are not in different geographic regions, this is a finding.
Up to four NTP servers can be configured. The following commands set the NTP server and enable the Network Time Protocol: ntp server [hostname | ipaddr] ntp enable Note: The primary and secondary time sources must be located in different geographic regions.
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