STIGUI
V-279426CAT II — Medium severitySV-279426r1265206_rule

Nutanix AOS must use internal system clocks to generate time stamps for log records.

Rule version NXAC-AS-000019 · STIG v1 · 2026-08-27

Discussion

Without using an approved and synchronized time source on the systems, events cannot be accurately correlated and analyzed to determine what is transpiring within the application server.

If an event has been triggered on the network and the application server is not configured with the correct time, the event may be seen as insignificant, when in reality the events are related and may have a larger impact across the network. Synchronization of system clocks is needed to correctly correlate the timing of events that occur across multiple systems. Determining the correct time a particular event occurred on a system, via time stamps, is critical when conducting forensic analysis and investigating system events.

Application servers must use the internal system clock when generating time stamps and log records.

Check

Confirm Prism Element is set to use an authoritative time source to generate time stamps for log records.

1. Log in to Prism Element. 2. Select the gear icon in upper-right corner. 3. Select "NTP Servers" from the left navigation pane.

If no authoritative time sources are listed, this is a finding.

Fix

Configure Prism Element to use organization-identified authoritative time sources.

1. Log in to Prism Element. 2. Select the gear icon in upper-right corner. 3. Select "NTP Servers" from the left navigation pane. 4. Enter authoritative time sources, then click "Add". Multiple time sources can be added.

Identifiers

Group ID
V-279426
Group title
SRG-APP-000116-AS-000076
Rule ID
SV-279426r1265206_rule
Check ID
C-83979r1191062_chk
Fix ID
F-83884r1191063_fix