OL 9 must disable the chrony daemon from acting as a server.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
lowV-271697SRG-OS-000096-GPOS-00050OL09-00-002320SV-271697r1091803_rule2025-05-081
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
ℹ️ Check
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
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