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RHEL 9 must disable the chrony daemon from acting as a server.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257946 | RHEL-09-252025 | SV-257946r958480_rule | 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 |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61687r925823_chk ) |
|---|
| 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 Text (F-61611r925824_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 |