Title

Users must be warned 7 days in advance of password expiration. (Cat III impact)

Discussion

Setting the password warning age enables users to make the change at a practical time.

Check Content

To check the password warning age, run the command: $ grep PASS_WARN_AGE /etc/login.defs The DoD requirement is 7. If it is not set to the required value, this is a finding.

Fix Text

To specify how many days prior to password expiration that a warning will be issued to users, edit the file "/etc/login.defs" and add or correct the following line, replacing [DAYS] appropriately: PASS_WARN_AGE [DAYS] The DoD requirement is 7.

Additional Identifiers

Rule ID: SV-217890r603264_rule

Vulnerability ID: V-217890

Group Title: SRG-OS-000480

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.