Hi! I realized that ISPConfig does not set the settings for the passiveportrange within pure-ftp. Shouldn't this be done automatically and also be within the firewall-presets?
Added a feature request: http://bugtracker.ispconfig.org/index.php?do=details&task_id=3426 Also see: http://bugtracker.ispconfig.org/index.php?do=details&task_id=3157