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The time synchronization configuration file (such as /etc/ntp.conf) must have mode 0640 or less permissive.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22296 GEN000252 SV-37417r1_rule ECLP-1 Medium
Description
A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit records with other systems. If an illicit time source is used for synchronization, the integrity of system logs and the security of the system could be compromised. If the configuration files controlling time synchronization are not protected, unauthorized modifications could result in the failure of time synchronization.
STIG Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide 2017-01-27

Details

Check Text ( None )
None
Fix Text (F-31347r1_fix)
Change the mode of the NTP configuration file to 0640 or more restrictive.
# chmod 0640 /etc/ntp.conf