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Users must not be able to change passwords more than once every 24 hours.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-1032 | GEN000540 | SV-38768r1_rule | ECSC-1 | Medium |
| Description |
|---|
| The ability to change passwords frequently facilitates users reusing the same password. This can result in users effectively never changing their passwords. This would be accomplished by users changing their passwords when required and then immediately changing it to the original value. |
| STIG | Date |
|---|---|
| AIX 5.3 Security Technical Implementation Guide | 2012-05-25 |
Details
| Check Text ( C-36689r1_chk ) |
|---|
| Check the minage field for each user. # /usr/sbin/lsuser -a minage ALL If the minage field is less than 1 for any user, this is a finding. |
| Fix Text (F-33201r1_fix) |
|---|
| Use SMIT or the chsec command to set the minimum password age to 1 week. # chsec -f /etc/security/user -s default -a minage=1 # chsec -f /etc/security/user -s OR # smitty chuser |