Rule version OL09-00-003022 · STIG v1 · 2026-08-21
Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack.
Verify that OL 9 logs username information when unsuccessful logon attempts occur.
Verify the "/etc/security/faillock.conf" file is configured to log username information when unsuccessful logon attempts occur with the following command:
$ grep audit /etc/security/faillock.conf audit
If the "audit" option is not set, is missing, or is commented out, this is a finding.
Configure OL 9 to log username information when unsuccessful logon attempts occur.
Add/modify the "/etc/security/faillock.conf" file to match the following line:
audit