Set Password Policy/Complexity in Red Hat OpenShift Container Platform 4

Issue

• Compliance scan suggests setting Password Policy/Complexity in Red Hat OpenShift Container Platform (RHOCP) coreos(RHCOS) nodes.

• Set Password Policy/Complexity in Red Hat Enterprise Linux CoreOS (RHCOS) nodes as below:

  • Requirement 1. Keep history of used passwords (the number of previous passwords which cannot be reused.
  • Requirement 2. Enforce root for password complexity.
  • Requirement 3. Password size (Minimum acceptable size for the new password..
  • Requirement 4. Set limit to number of digits in password.
  • Requirement 5. Set limit to number of Upper Case characters in password.
  • Requirement 6. Set limit to number of Lower Case characters in password.
  • Requirement 7. Set limit to number of Other characters in password.
  • Requirement 8. Set minimum number of required classes in new password (digits, uppercase, lowercase, others.
  • Requirement 9. Set maximum number of allowed consecutive same characters in the new password.
  • Requirement 10. A maximum number of allowed consecutive characters of the same class in the new password.
  • Requirement 11. A maximum number of characters that is allowed to use in new passwords(compared to old password.