Details
Defines the maximum number of times a character may appear in a password.
In setting the maxrepeats attribute, it enforces a maximum number of character repeats within a password.
Solution
In/etc/security/user, set the default user stanza maxrepeats attribute to 2-
chsec -f /etc/security/user -s default -a maxrepeats=2
This means that a user may not use the same character more than twice in a password.
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Identification and Authentication.This control applies to the following type of system Unix.