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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-44859r1_rule 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
SUSE Linux Enterprise Server v11 for System z 2016-12-20

Details

Check Text ( C-42321r1_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-38292r1_fix)
Change the minimum time period between password changes for each user account to 1 day.
# passwd -n 1