OL 9 must disable the chrony daemon from acting as a server.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-271697 | OL09-00-002320 | SV-271697r1091803_rule | CCI-000382 | low |
| Description | ||||
| Minimizing the exposure of the server functionality of the chrony daemon diminishes the attack surface. Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000095-GPOS-00049 | ||||
| STIG | Date | |||
| Oracle Linux 9 Security Technical Implementation Guide | 2025-05-08 | |||
Details
Check Text (C-271697r1091803_chk)
Verify that OL 9 disables the chrony daemon from acting as a server with the following command:
$ grep -w port /etc/chrony.conf
port 0
If the "port" option is not set to "0", is commented out, or is missing, this is a finding.
Fix Text (F-75654r1091802_fix)
Configure OL 9 to disable the chrony daemon from acting as a server by adding/modifying the following line in the /etc/chrony.conf file:
port 0