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RHEL-10-200543 RHEL 10 must disable network management of the chrony daemon.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to CM-7 via CCI-000382, CCI-000381

Title

RHEL 10 must disable network management of the chrony daemon.

Control

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.

Discussion

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

Related controls

CCI-000381, CCI-000382

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