DISA STIGS Viewer

AlmaLinux OS 9 must disable remote management of the chrony daemon.

Overview

Finding ID Version Rule ID IA Controls Severity
V-269332 ALMA-09-028510 SV-269332r1050214_rule   Medium
Description
Not exposing the management interface of the chrony daemon on the network reduces the attack surface.
STIG Date
CloudLinux AlmaLinux OS 9 Security Technical Implementation Guide 2025-05-22

Details

Check Text (C-73363r1049505_chk)
Verify AlmaLinux OS 9 disables remote management of the chrony daemon with the following command:

$ chronyd -p | grep -w cmdport

cmdport 0

If the "cmdport" option is not set to "0" or is missing, this is a finding.
Fix Text (F-73264r1049506_fix)
Configure AlmaLinux OS 9 to disable remote management of the chrony daemon by adding/modifying the following line in the /etc/chrony.conf file:

cmdport 0