RHEL 9 must log username information when unsuccessful logon attempts occur.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-258070 | SRG-OS-000021-GPOS-00005 | RHEL-09-412045 | SV-258070r1045153_rule | 2025-02-27 | 2 |
| Description |
|---|
| Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack. |
| ℹ️ Check |
|---|
| Verify the "/etc/security/faillock.conf" file is configured to log username information when unsuccessful logon attempts occur with the following command: $ sudo grep audit /etc/security/faillock.conf audit If the "audit" option is not set, is missing, or is commented out, this is a finding. |
| ✔️ Fix |
|---|
| Configure RHEL 9 to log username information when unsuccessful logon attempts occur. Enable the feature using the following command: $ sudo authselect enable-feature with-faillock Add/modify the "/etc/security/faillock.conf" file to match the following line: audit |