RHEL 10 must disable network management of the chrony daemon.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-280961 | RHEL-10-200543 | SV-280961r1165238_rule | CCI-000382 | medium |
| Description | ||||
| Not exposing the management interface of the chrony daemon on the network diminishes the attack space. Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000095-GPOS-00049 | ||||
| STIG | Date | |||
| Red Hat Enterprise Linux 10 Security Technical Implementation Guide | 2026-03-11 | |||
Details
Check Text (C-280961r1165238_chk)
Verify RHEL 10 disables network management of the chrony daemon with the following command:
$ sudo grep -w cmdport /etc/chrony.conf
cmdport 0
If the "cmdport" option is not set to "0", is commented out, or is missing, this is a finding.
Fix Text (F-85427r1165237_fix)
Configure RHEL 10 to disable network management of the chrony daemon by adding/modifying the following line in the "/etc/chrony.conf" file:
cmdport 0
Restart the chronyd service with the following command for the changes to take effect:
$ sudo systemctl restart chronyd