STIGQter: STIG Summary: Red Hat Enterprise Linux 9 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

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

DISA Rule

SV-258070r1045153_rule

Vulnerability Number

V-258070

Group Title

SRG-OS-000021-GPOS-00005

Rule Version

RHEL-09-412045

Severity

CAT II

CCI(s)

• CCI-000044 - Enforce the organization-defined limit of consecutive invalid logon attempts by a user during the organization-defined time period.

Weight

10

Fix Recommendation

Configure RHEL 9 to log username information when unsuccessful logon 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

Check Contents

Verify the "/etc/security/faillock.conf" file is configured to log username information when unsuccessful logon 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.

Vulnerability Number

V-258070

Documentable

False

Rule Version

RHEL-09-412045

Severity Override Guidance

Verify the "/etc/security/faillock.conf" file is configured to log username information when unsuccessful logon 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.

Check Content Reference

M

Target Key

5551