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ACF2 PSWD GSO record value must be set to prohibit password reuse for a minimum of five generations or more.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-223508 | ACF2-ES-000910 | SV-223508r695441_rule | Medium |
| Description |
|---|
| Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to consecutively reuse their password when that password has exceeded its defined lifetime, the end result is a password that is not changed as per policy requirements. |
| STIG | Date |
|---|---|
| IBM z/OS ACF2 Security Technical Implementation Guide | 2021-07-06 |
Details
| Check Text ( C-25181r695440_chk ) |
|---|
| From an ACF command screen enter: SET CONTROL(GSO) LIST PSWD If "PSWDXHIST" is not specified, this is a finding. If "PSWDXHIST#" is set to "5" or greater, this is not a finding |
| Fix Text (F-25169r500658_fix) |
|---|
| Configure Password option "PSWXHST" is coded and "PSWXHST#" is "5" or greater. |