RHEL 9 must disable the chrony daemon from acting as a server.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| low | V-257946 | SRG-OS-000096-GPOS-00050 | RHEL-09-252025 | SV-257946r958480_rule | 2025-02-27 | 2 |
| 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 RHEL 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 RHEL 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 |