Finding ID | Version | Rule ID | IA Controls | Severity |
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V-223462 | ACF2-ES-000430 | SV-223462r853526_rule | Medium |
Description |
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By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account. |
STIG | Date |
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IBM z/OS ACF2 Security Technical Implementation Guide | 2024-02-22 |
Check Text ( C-25135r500518_chk ) |
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From an ACF command screen enter: SET CONTROL(GSO) SHOW PSwdopts If "MAXTRY" is set to "3", this is not a finding. If "PASSLMT" is set to "3", this is not a finding. |
Fix Text (F-25123r500519_fix) |
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Configure the GSO option "MAXTRY" to equal "3". Configure the GSO option "PASSLMT" to equal "3". |