RHEL 10 must log username information when unsuccessful login attempts occur.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-281100 | SRG-OS-000021-GPOS-00005 | RHEL-10-500020 | SV-281100r1165655_rule | 2026-03-11 | 1 |
Description
Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack.
ℹ️ Check
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
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