RHEL 9 must log username information when unsuccessful logon attempts occur.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-258070	RHEL-09-412045	SV-258070r926197_rule		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 9 Security Technical Implementation Guide	2023-12-01

Details

Check Text ( C-61811r926195_chk )
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.

Fix Text (F-61735r926196_fix)
Configure RHEL 9 to log username information when unsuccessful logon attempts occur. Add/modify the "/etc/security/faillock.conf" file to match the following line: audit