Eine Liste von nützlichen Modulen für Drupal 6 - in erster Linie als Reminder für mich selbst:

If you're running a Drupal-based webpage which is completely restricted to authenticated users, Anonymous would get an "403 Access Denied" on every page he tries. But if you want your visitors to see a friendly login page (instead of just this error message and a small "login block") you might want to put the following code into your sites/default/setting.php: