Quelltext der Seite VPN unter Android/en

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Some services are only available through the university network. These include, for example, access to network drives and the download of online resources from the homepage of the University Library. If you want to access these services when you are not at the university, you need a VPN connection. A '''V'''irtual '''P'''rivate '''N'''etwork guarantees secure access to the university network through other networks.
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== What needs to be done? ==
* Install [https://play.google.com/store/apps/details?id=net.openvpn.openvpn&hl=de OpenVPN Connect] from the PlayStore.
* Install a [[Netzwerkzertifikate|personal network certificate]]
* Download the configuration file:
<center><iframe key="infoboard" width="600" height="320" path="vpn-config/index.php?group=uni&os=android" /></center>
* Use the .ovpn configuration file and your [[Netzwerkzertifikate|personal network certificate]] to configure OpenVPN Connect.
* Start a VPN connection.
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== Step-by-step instructions ==
=== Install OpenVPN Connect===
Install the app '''OpenVPN Connect'''.  Like other apps you can find it in the Google [https://play.google.com/store/apps/details?id=net.openvpn.openvpn&hl=de PlayStore]
[[Datei:VPN Android-1.png|links|mini|ohne|200px]]
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=== Install certificates===
For the VPN connection you need a network certificate. You cannot use the already installed certificate for Eduroam.
Open the [https://serviceportal.uni-paderborn.de/ Serviceportal] and log in with your university account.

[[Datei:Eduroam-unter-android-3.png|links|mini|ohne|350px]]
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* Click on the 3 vertical bars on the upper right corner
* Click on User Management and then on Network Settings
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[[Datei:Eduroam-unter-android-4.png|links|mini|ohne|350px]]
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* Click on '''"Neues Zertifikat erstellen"'''.
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[[Datei:Netzwerkzertifikat-container-v1.png|links|mini|ohne|350px]]
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* Give the certificate a unique name (e.g.: Mobile VPN)
* Select '''"Version 1"''' as the file format.
* Then click on '''"Neues Zertifikat zusenden"'''.
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[[Datei:Netzwerkzertifikat-download.png|links|mini|ohne|350px]]
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* A new network certificate has been created for you.
* First copy the '''Import Password''' to the clipboard.
* Now click on '''"Netzwerkzertifikat herunterladen"'''.
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[[Datei:VPN Android-16.png|links|mini|ohne|350px]]
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* To open the certificate you need your '''import password'''. We have already copied it to the clipboard and can now paste it here.
* Confirm with '''"OK"'''.
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[[Datei:VPN Android-17.png|links|mini|ohne|350px]]
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* In order to be able to recognize the certificate afterwards, you will be asked to name the certificate here.
* Name it '''"UPB-VPN"'''.
* To use the login details, select '''"VPN and Apps"'''.
* Confirm with '''"OK"'''.
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=== Download configuration file ===
Download the configuration file, select the VPN you want to connect to and click Download.
Normally "Uni-VPN (Standard)" should be the right choice, but if you have problems with the connection, try "Uni-VPN-TCP" again.
<center><iframe key="infoboard" width="600" height="330" path="vpn-config/index.php?group=uni&os=android&redirect_gateway=1" /></center>
<span style="color:green"> Note:</span> You can click '''"Download"''' here and download your configuration file. This is not a screenshot ;-)

<bootstrap_accordion>
	<bootstrap_panel heading="Direct all internet traffic through the tunnel?">
*Accessing online resources may require that you route all network traffic through the tunnel.
* You do not need this option for pure access to network drives.
</bootstrap_panel>
</bootstrap_accordion>

===Set up OpenVPN Connect===
[[Datei:VPN Android-1.png|links|mini|ohne|200px]]
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* Open the ''OpenVPN Connect'' app.
* We downloaded this in the first step.
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Accept the data protection declaration by clicking on '''"Agree"'''.

[[Datei:VPN Android-2.png|links|mini|ohne|350px]]
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* OpenVPN Connect must be able to access your device.
* Click '''Allow'''.
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[[Datei:VPN Android-3.png|links|mini|ohne|350px]]
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* Go to the '''"File"''' page.
* Go to the '''"Downloads"''' folder.
* Select the configuration file that we just downloaded.
* Click '''"Import"''' at the bottom.
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[[Datei:VPN Android-4.png|links|mini|ohne|350px]]
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* Confirm the question with '''"OK"'''.
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[[Datei:VPN Android-5.png|links|mini|ohne|350px]]
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* Click '''"ADD"''' in the top right corner.
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[[Datei:VPN Android-6.png|links|mini|ohne|350px]]
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* Click on the '''"switch symbol"''' to activate the VPN connection.
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[[Datei:VPN Android-7.png|links|mini|ohne|350px]]
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* Allow connection with '''"OK"'''.
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[[Datei:VPN Android-8.png|links|mini|ohne|350px]]
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* Click '''"Select Certificate"'''.
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[[Datei:VPN Android-9.png|links|mini|ohne|350px]]
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* Select the certificate we just installed.
* Then click '''"Select"'''.
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[[Datei:VPN Android-10.png|links|mini|ohne|350px]]
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* We have now successfully set up OpenVPN Connect.
* We can see that the VPN connection is active by the green '''"Connected"''' symbol.
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<span style="color:green">Note: </span> If the VPN connection is active, all your Internet activities will be redirected via the University of Paderborn servers, so please deactivate the VPN connection if you don't need it.


=== Deactivate VPN connection===
[[Datei:VPN Android-11.png|links|mini|ohne|350px]]
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* Click on the '''switch icon'''.
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[[Datei:VPN Android-12.png|links|mini|ohne|350px]]
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* Tick ''"Don't show again"''.
* Click '''"OK"'''.
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[[Datei:VPN Android-13.png|links|mini|ohne|350px]]
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* The VPN connection is now deactivated.
* You can reactivate it by clicking on the gray switch.
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==Check VPN==
You can check the functionality of the VPN by visiting:
: [https://go.upb.de/ip https://go.upb.de/ip]
Your IP will be displayed there and it will show whether you are on the university network.

[[Datei:OpenVPN verbunden - go_ip.png|mitte|400px|mini|ohne|Example: Existing connection to the university network.]]
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==See also==
* [[Netzwerk]]