| GroupAdmin | HTTPD::Realm | Database of HTTPD Security Realms | |
| HTTPD/AdminBase.pm | HTTPD::RealmManager | Manage HTTPD server security realms | |
| HTTPD::Authen | HTTP server authentication class | HTTPD::UserAdmin | Management of HTTP server user databases |
| HTTPD::GroupAdmin | Management of HTTP server group databases | UserAdmin |