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XCCDF
Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide
SRG-OS-000095-GPOS-00049
TOSS must disable network management of the chrony daemon.
TOSS must disable network management of the chrony daemon.
An XCCDF Rule
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TOSS must disable network management of the chrony daemon.
Medium Severity
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time when a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate. Not exposing the management interface of the chrony daemon on the network diminishes the attack space. TOSS utilizes the "timedatectl" command to view the status of the "systemd-timesyncd.service." The "timedatectl" status will display the local time, UTC, and the offset from UTC. Note that USNO offers authenticated NTP service to DoD and U.S. Government agencies operating on the NIPR and SIPR networks. Visit https://www.usno.navy.mil/USNO/time/ntp/dod-customers for more information.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>