pam_deny_uc

If you are looking for a PAM module that could help you enforce lowercase usernames, look no further than pam_deny_uc. It is a handy tool that can come in handy for authentication backends that tend to overlook case during username searches, including LDAP. This module works by denying any logins with uppercase characters in the username, thus ensuring that users comply with the lowercase requirement.

With pam_deny_uc, you can rest assured that username discrepancies due to case issues will become a thing of the past. This module offers a simple yet effective solution for organizations or individuals who want to standardize their usernames. It's effortless to set up and use, and the results are instant.

Thanks to its ease of installation and configuration, pam_deny_uc has become a popular choice among system administrators, IT managers, and security professionals. It's a lightweight module, so it won't take up much space on your server. Overall, pam_deny_uc is an excellent solution for organizations looking to standardize their usernames and reduce the risk of security breaches resulting from username discrepancies.