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RHEL-09-412045 RHEL 9 must log username information when unsuccessful logon attempts occur.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to AC-7 via CCI-000044

Title

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

Control

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.

Discussion

Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack.

Related controls

CCI-000044

Fix

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