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The Dell OS10 Switch must be configured to synchronize internal information system clocks using redundant authoritative time sources.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-270644OS10-NDM-000680SV-270644r1052341_ruleCCI-004922medium
Description
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. Multiple time sources provide redundancy by including a secondary source. Time synchronization is usually a hierarchy; clients synchronize time to a local source while that source synchronizes its time to a more accurate source. The network device must use an authoritative time server and/or be configured to use redundant authoritative time sources. This requirement is related to the comparison done in CCI-001891. DOD-approved solutions consist of a combination of a primary and secondary time source using a combination or multiple instances of the following: a time server designated for the appropriate DOD network (NIPRNet/SIPRNet); United States Naval Observatory (USNO) time servers; and/or the Global Positioning System (GPS). The secondary time source must be in a different geographic region than the primary time source.
STIGDate
Dell OS10 Switch NDM Security Technical Implementation Guide2024-12-11

Related Frameworks

2 mappings across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

MON-07.1Synchronization With Authoritative Time Source
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (15) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-17(9)Disconnect or Disable Access
1.00
AC-2(3)Disable Accounts
1.00
AU-8Time Stamps
1.00
AU-8(1)Synchronization with Authoritative Time Source
1.00
AU-8(2)Secondary Authoritative Time Source
1.00
AU-9Protection of Audit Information
1.00
CM-6Configuration Settings
1.00
CM-6(1)Automated Management, Application, and Verification
1.00
IA-2(6)Access to Accounts —separate Device
1.00
IA-3(1)Cryptographic Bidirectional Authentication
1.00

+5 more (top 10 by confidence shown)

CCI2 mappings
CCI-004922
1.00
CCI-004923
1.00

Details

Check Text (C-270644r1052341_chk)

Determine if the OS10 Switch is configured to synchronize internal information system clocks with the primary and secondary time sources. Review the configuration to verify that the primary and secondary time sources are configured as NTP servers with the following commands: OS10# show running-configuration ntp ! ntp authenticate ntp authentication-key 345 sha2-256 9 **** ntp server 192.0.2.1 key 345 prefer ntp server 192.0.2.5 key 345 ntp trusted-key 345 If the OS10 Switch is not configured to synchronize internal information system clocks with the primary and secondary time sources, this is a finding.

Fix Text (F-74578r1052340_fix)

Configure the OS10 Switch to synchronize internal information system clocks with the primary and secondary time sources: OS10(config)# ntp authenticate OS10(config)# ntp trusted-key 345 OS10(config)# ntp authentication-key 345 sha2-256 0 <key> OS10(config)# ntp server 192.0.2.1 key 345 prefer OS10(config)# ntp server 192.0.2.5 key 345