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The Juniper router must be configured to synchronize its clock with the primary and secondary time sources using redundant authoritative time sources.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-217334JUNI-ND-001020SV-217334r1015747_ruleCCI-004928medium
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 utilize 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 located in a different geographic region than the primary time source.
STIGDate
Juniper Router NDM Security Technical Implementation Guide2024-12-05

Related Frameworks

4 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)

CCI4 mappings
CCI-001893
1.00
CCI-004922
1.00
CCI-004923
1.00
CCI-004928
1.00

Details

Check Text (C-217334r1015747_chk)

Review the router configuration to verify that it is compliant with this requirement as shown in the configuration example below. system { … … … } ntp { server x.x.x.x prefer; server x.x.x.x; } If the router is not configured to synchronize its clock with redundant authoritative time sources, this is a finding.

Fix Text (F-18559r296581_fix)

Configure the router to synchronize its clock with redundant authoritative time sources as shown in the example below. [edit system ntp] set server x.x.x.x set server x.x.x.x prefer