DISA STIGS Viewer

OL 9 must ensure account lockouts persist.

Overview

Finding ID Version Rule ID IA Controls Severity
V-271842 OL09-00-003023 SV-271842r1092238_rule   Medium
Description
Having lockouts persist across reboots ensures that account is only unlocked by an administrator. If the lockouts did not persist across reboots, an attacker could simply reboot the system to continue brute force attacks against the accounts on the system.
STIG Date
Oracle Linux 9 Security Technical Implementation Guide 2025-05-08

Details

Check Text (C-75892r1092236_chk)
Verify that OL 9 ensures that account lockouts persist.

Verify the "/etc/security/faillock.conf" file is configured use a nondefault faillock directory to ensure contents persist after reboot with the following command:

$ grep 'dir =' /etc/security/faillock.conf
dir = /var/log/faillock

If the "dir" option is not set to a nondefault documented tally log directory, is missing or commented out, this is a finding.
Fix Text (F-75799r1092237_fix)
Configure OL 9 maintain the contents of the faillock directory after a reboot.

Add/modify the "/etc/security/faillock.conf" file to match the following line:

dir = /var/log/faillock