OpenConnect VPN client
TU Dresden’s VPN can be used with the free software Openconnect VPN Client as well as with Cisco’s AnyConnect Secure Mobility Client.
Instructions for Linux (Ubuntu):
Installation of openconnect/ network-manager-openconnect
In Ubuntu, open the “Ubuntu Software Center”, please find “openconnect” and “network-manager-openconnect” and install both, or install them via the APT in the command field:
sudo apt-get install openconnect network-manager-openconnect
Reboot your computer and log in again.
Start the Network Manager by clicking on the icon and select “VPN Connections” -> “Configure VPN…”
You will see a window with the available “Network Connections”. Click on “Add”:
Select “Cisco AnyConnect Compatible VPN (openconnect) in the new window “Choose a Connection Type” and click on the “Create” button:
Now, complete the form that appears. Enter a “Connection Name” (e.g. “TU Dresden”), the name of the VPN-Gateway (“vpn2.zih.tu-dresden.de”). Copy the certificate chain of TU-DFN-PKI for the “CA Certificate” from here, save it as TUD-CACert.pem and refer to the file in the input field “CA Certificate”. The click on “Save…”:
To establish the VPN-connection, click once more on the NetworkManager icon and under “VPN Connections” click on the new connection “TU Dresden”. To do so, your computer has to have be connected to the internet via WiFi or Ethernet.
In the window “Connect to VPN ‘TU Dresden’, click on the connect button (marked green in the image below) next to the box named “VPN host” containing “vpn2.zih.tu-dresden.de”. Then select the “GROUP” (e.g. TUD-vpn.all). Enter the “Username”: @tu-dresden.de (e.g. s123…@tu-dresden.de) Put in your personal ZIH username for “ZIH-username” and enter your ZIH-password under “Password”. Then click on the “Login” button:
The connection should now be established. A small padlock symbol should be visible on the NetworkManager icon. To disconnect the VPN, carry out step 7 again and choose “Disconnect VPN”.
Many thanks to Robert Wolff for providing these instructions.