STIGQter: STIG Summary: Red Hat Enterprise Linux 8 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

RHEL 8 must prevent system messages from being presented when three unsuccessful logon attempts occur.

DISA Rule

SV-230341r1017153_rule

Vulnerability Number

V-230341

Group Title

SRG-OS-000021-GPOS-00005

Rule Version

RHEL-08-020019

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 the operating system to prevent informative messages from being presented at logon attempts.

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

silent

Check Contents

Note: This check applies to RHEL versions 8.2 or newer, if the system is RHEL version 8.0 or 8.1, this check is not applicable.

Verify the "/etc/security/faillock.conf" file is configured to prevent informative messages from being presented at logon attempts:

$ sudo grep silent /etc/security/faillock.conf

silent

If the "silent" option is not set, is missing or commented out, this is a finding.

Vulnerability Number

V-230341

Documentable

False

Rule Version

RHEL-08-020019

Severity Override Guidance

Note: This check applies to RHEL versions 8.2 or newer, if the system is RHEL version 8.0 or 8.1, this check is not applicable.

Verify the "/etc/security/faillock.conf" file is configured to prevent informative messages from being presented at logon attempts:

$ sudo grep silent /etc/security/faillock.conf

silent

If the "silent" option is not set, is missing or commented out, this is a finding.

Check Content Reference

M

Target Key

2921