RHEL 10 must log username information when unsuccessful login attempts occur.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-281100 | RHEL-10-500020 | SV-281100r1165655_rule | CCI-000044 | medium |
| Description | ||||
| Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack. | ||||
| STIG | Date | |||
| Red Hat Enterprise Linux 10 Security Technical Implementation Guide | 2026-03-11 | |||
Details
Check Text (C-281100r1165655_chk)
Verify RHEL 10 "/etc/security/faillock.conf" is configured to log username information when unsuccessful login 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 Text (F-85566r1165654_fix)
Configure RHEL 10 to log username information when unsuccessful login 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