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V-237900

CAT II (Medium)

The IBM z/VM JOURNALING LOGON parameter must be set for lockout after 3 attempts for 15 minutes.

Rule ID

SV-237900r858930_rule

STIG

IBM zVM Using CA VM:Secure Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-000044

Discussion

By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking the account.

Check Content

Display the System Configuration File.

If the "JOURNALING" statement is set to:

Facility ON
LOGON
Lockout after three attempts for 15 minutes, this is not a finding.
Note: Site may set Lockout value at 0, this will require system administrator action for reset.


Issue "QUERY JOURNAL" command.

If the response is as follows this is not a finding:

Journal: LOGON-on

Fix Text

Configure the System Configuration "JOURNALING" statement to:

Facility ON
LOGON
Lockout after 3 attempts for 15 minutes or 0 if system administrator action is desired.