Android – using strongSwan

Android – using strongSwan

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Configure UIS VPN on Android using the strongSwan client.

The VPN service supports the built-in Android VPN client without the need to install any third-party apps. However, the built-in Android client requires careful configuration to set up securely, including manual installation of various certificates. Some users may find it more convenient to use the third party strong Client as this is much easier to setup (eliminating the need to install certificates manually), albeit requiring additional application installation.

Before you begin, you will need to know:

• is yours Network access code username And password
  Generate your token on the UIS Network Access Tokens website and keep the window or tab open – possibly in an adjacent screen on a separate machine – in preparation for the time you will need to copy your username and password.
• If you are advised to use a managed VPN, rather than a public university VPN service, you will need VPN server hostname. Available VPNs and their server hostnames are listed on the Managed VPN page.

To set up a VPN service using the strongSwan client:

1. Install strongSwan VPN Client from Google Play Store using the link.
2. From the home screen, go to the list of applications:

3. Search for a file strong Application and start:

4. You will be presented with a strongSwan status screen, which lists the configured VPN profiles (which will be blank at first). Click on Add a VPN profile button at the top:

5. You will be asked to give profile (contact) details. Enter the details as below and then click save:
   • server: vpn.uis.cam.ac.uk Or, if you’re using a managed VPN, use VPN server hostname While that
   • VPN type: IKEv2 EAP (Username/Password) (This should be the default)
   • Username: The username for the network access token you created for this device, in the format CRSid +@cam.ac.uk – eg abc123+myphone@cam.ac.uk.
   • Password (optional): The password for the Network Access Token you created for this device.
   • CA Certificate: select automatically (default)
   • Profile name (optional): Cambridge VPN

6. You will be taken back to the strongSwan status screen and the new profile will be displayed. Click on Profile (Cambridge VPN) To call:

7. You will receive a warning that the strongSwan VPN client wishes to set up a VPN connection that allows it to monitor network traffic. This warning is normal and Android just informs you that your network connection will be redirected via VPN. handle Yes To continue contact:

8. You’ll see a notification saying that you need to confirm the following dialog to add SwanSong to your device’s power whitelist so that, when using a VPN connection, it can continue to run in the background. handle Yes…

   …then click Allow To confirm that the app can run in the background:

9. The connection should now be established and this is shown on the status screen. A key icon will also be displayed in the status bar at the top of the screen to remind you of the following:

to disconnect

To disconnect, run strong app and select Disconnect In the status area:

to call back

Whenever you want to reconnect to the VPN, start strong Application and select a file Cambridge VPN Profile personly.

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