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ACF2 PSWD GSO record value must be set to require 24 hours/1 day as the minimum password lifetime.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-223507 | ACF2-ES-000900 | SV-223507r533198_rule | Medium |
| Description |
|---|
| Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, then the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse. |
| STIG | Date |
|---|---|
| IBM z/OS ACF2 Security Technical Implementation Guide | 2020-10-02 |
Details
| Check Text ( C-25180r500654_chk ) |
|---|
| From an ACF command screen enter: SET CONTROL(GSO) SHOW PSwdopts If "PSWDMIN" is set "1", this is not a finding. |
| Fix Text (F-25168r500655_fix) |
|---|
| Configure Password option "PSWDMIN" to minimum of "1" day. |