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XCCDF
Guide to the Secure Configuration of SUSE Linux Enterprise 15
System Settings
Account and Access Control
Protect Accounts by Configuring PAM
Set Password Quality Requirements
Set Password Quality Requirements, if using pam_cracklib
Set Password Strength Minimum Uppercase Characters
Set Password Strength Minimum Uppercase Characters
An XCCDF Rule
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Set Password Strength Minimum Uppercase Characters
Medium Severity
The pam_cracklib module's
ucredit=
parameter controls requirements for usage of uppercase letters in a password. When set to a negative number, any password will be required to contain that many uppercase characters. When set to a positive number, pam_cracklib will grant +1 additional length credit for each uppercase character. Add
ucredit=-1
after pam_cracklib.so to require use of an upper case character in passwords.