How to force users to create passwords that meet complexity requirements, such as length, use of special characters and numbers

Solution Verified - Updated -

Issue

  • How do I force users to create passwords that meet complexity requirements, such as length, use of special characters and numbers?
  • How to configure password strength on Red Hat Enterprise Linux using pam_cracklib
  • How to enforce users to use minimal length of a password using pam_cracklib
  • How to enforce password restrictions for local users
  • How to configure PAM to use complex passwords
  • How to configure password complexity settings in Red Hat Enterprise Linux
  • Update cracklib with an option to enforce password strength policy for users?
  • How to view/adjust PAM global password complexity policy
  • Need to change the default password policy to use complex passwords

Environment

  • Red Hat Enterprise Linux 3 Update 4 and above
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • pam_cracklib.so

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