OL09-00-002321 - OL 9 must disable network management of the chrony daemon.

Information

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

Solution

Configure OL 9 to disable network management of the chrony daemon by adding/modifying the following line in the /etc/chrony.conf file:

cmdport 0

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Oracle_Linux_9_V1R5_STIG.zip