VPN on macOS

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Die deutsche Version finden Sie auf der Seite VPN unter macOS

VPN (Virtual Private Network) is required if you want to use services from outside the University of Paderborn that are only accessible within the university network. VPN guarantees secure access to the University network through other networks (dial-in via other providers, external company or university networks).

What needs to be done? - Quick guide[Bearbeiten | Quelltext bearbeiten]

  1. Install Tunnelblick in the most recent version. https://tunnelblick.net/downloads.html Tunnelblick] (Version 3.8.0 is used in this manual).
  2. Create your personal network certificate in the service portal.
  3. Download the configuration file
    Click on Download in the drop-down menu above!
  4. Create a new folder on your desktop with the name you want your connection to have, e.g. "VPN Uni".
  5. Put your personal network certificate and the configuration file in the folder you just created.
  6. Delete the serial number in the filename from your network certificate, so that Network_Certificate_<username>_******.p12 becomes Network_Certificate.p12
  7. Add the file extension .tblk to this folder by selecting the folder, pressing cmd + I and change it to VPN Uni.tblk under "Name & Suffix".
  8. Double click the file just created to install the connection.
  9. You will be asked to enter your Mac password to allow the configuration.
  10. Now click on the Tunnelblick icon at the top of the menu bar and select your connection, which is now named the same as your folder. Enter the import password, which you can find in the service portal under Network Preferences. Select the option to save the password in your keychain.
  11. Wait until the font turns green. You are now connected.


Step-by-step instructions: Preparation[Bearbeiten | Quelltext bearbeiten]

Install Tunnelblick[Bearbeiten | Quelltext bearbeiten]

Tunnelblick Download.png


  • Install Tunnelblick in the most recent version. (Version 3.8.0 is used in this manual).
  • Click on the link provided and then on the version marked "Stable".
  • Then open your downloads and double click on the Tunnelblick download. Tunnelblick will now install itself automatically.


Create network certificate[Bearbeiten | Quelltext bearbeiten]

VPN Serviceportal.png


  1. Create your personal network certificate in the service portal.
    • You can also use existing certificates for the VPN connection, if they are still valid.
  2. Log in to the service portal to access the certificate. Open "User management" in the upper drop down menu, then click on Network settings.
  3. Create a new certificate!



  • With a click on "Create new certificate" you create a new network certificate
  • Click on Download network certificate and save the certificate on your computer!
  • You will also find the associated password on the newly appearing window under Import Password. It can also be viewed any time by clicking "Edit > Certificate information".
  • For network certificate see below


VPN unter macOS - 03.png
VPN unter macOS - 04.png



Set up Tunnelblick[Bearbeiten | Quelltext bearbeiten]

Download the configuration file, select the VPN you want to connect to and click on Download. Usually "Uni-VPN (standard)" should work, but if you have problems with the connection, try "Uni-VPN-TCP".


VPN Ordner.png


  • Then create a new folder on your desktop with the name you want your connection to have, e.g. "VPN Uni".
  • Now place the personal network certificate and the configuration file in the created folder.
  • Rename your personal network certificate, for example Network_Certificate_<username>_******.p12 becomes Network_Certificate.p12


VPN Suffix.png


  • Add the file extension .tblk to the folder by selecting the folder, pressing cmd + I, under "Name & Suffix" change "VPN Uni" to "VPN Uni.tblk". Then click on Enter/Return and confirm the entry with Add.


VPN tblk.png


  • Double-click the file just created from the folder to install the connection.


VPN Konfiguration.png


  • You will be asked to enter your Mac password to allow configuration.


VPN verbinden.png


  • Now click on the Tunnelblick icon at the top of the menu bar and select Your connection, which now has the same name as your folder, for example "VPN Uni".


VPN Passwort.png


  • In the next step you will be asked to enter a password. Enter the Import password already mentioned above, which belongs to the certificate.
  • In addition you should definitely select the option "Save in keychain" to save the password (otherwise you will have to enter the import password again and again).


VPN verbunden.png


  • Wait until the font turns green and you are connected.
  • You can quickly connect and disconnect using the tunnelblick icon.


Known issues[Bearbeiten | Quelltext bearbeiten]

It's possible that while downolading the .ovpn conifiguration file is changed to a .txt file. If this is the cas:

  • Select the configuration file.
  • Click cmd + i.
  • Change the ending in the section Suffix.
  • If necessary delete the .txt part.
  • The name should end as .opvn



Bei Fragen oder Problemen wenden Sie sich bitte telefonisch oder per E-Mail an uns:

Tel. IT: +49 (5251) 60-5544 Tel. Medien: +49 (5251) 60-2821 E-Mail: zim@uni-paderborn.de

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