How to log off a device from the internet automatically? – wired and Wi-Fi

You can log off your device automatically by switching your device off completely or by severing your Wi-Fi connection.

• Wired and open Wi-Fi STUDENTENINTERNET(123) – you will be logged off automatically after roughly 12 hours.
  123 refers to the first three digits of your activation code or username
• Secured Wi-Fi STUDENTENINTERNET(EAP) – you will automatically be logged off after roughly 5 minutes.