Rule ID
SV-256504r982188_rule
Version
V1R4
CCIs
CCI-000198
Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.
At the command line, run the following command: # grep "^PASS_MIN_DAYS" /etc/login.defs If "PASS_MIN_DAYS" is not set to "1", this is a finding.
Navigate to and open: /etc/login.defs Modify the "PASS_MIN_DAYS" line to the following: PASS_MIN_DAYS 1