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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-37239r1_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 |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2013-04-10 |
Details
| Check Text ( C-35931r1_chk ) |
|---|
| Check the minimum time period between password changes for each user account is 1 day. # cat /etc/shadow | cut -d ':' -f 4 | grep -v 1 If any results are returned, this is a finding. |
| Fix Text (F-31186r1_fix) |
|---|
| Change the minimum time period between password changes for each user account to 1 day. # passwd -n 1 |