L2TP VPN for macOS This documentation is for all macOS versions. Start System settings Select Network Under Network add a new connection with As connection select VPN and as type L2TP over IPSec. As Service name use StudNet for example As Server Address use vpn.stw-bonn.de . Your Account Name is the user name you received by e-mail after registration on https://startup.stw-bonn.de Click on Authentication Settings and enter your Password, which you set on account registration on https://startup.stw-bonn.de. After this enter the Shared Secret which is: internet. Confirm with OK Click on Advanced Options and activate Send all traffic over VPN connection and Use verbose logging. Confirm with OK Then click on Connect.