How to Configure and Use NordVPN on Synology 5.1

If your Synology NAS device runs on DiskStation Manager 5.1 version, you can easily configure the OpenVPN client of NordVPN on it. Here we've provided a step-by-step guide on how to configure and use NordVPN on Synology 5.1. Have a look. 


If you're using Synology 6.1, check our separate NordVPN installation guide.

1. First, visit the NordVPN website.

2. Next, click the Grab the Deal button and pick a subscription on the upcoming screen.

3. You need to enter your payment details to complete the purchase.

4. Now, you'll receive a confirmation of your subscription. 

5. You've to log into your Synology NAS.

Synology NAS

6. Choose the Control Panel option next.

Synology Control Panel

7. Move on to the Network option now.

Synology Network

8. On the upcoming screen, create a new VPN profile.

Synology VPN profiles

9. Select the OpenVPN option on the pop-up window and click Next

NordVPN connection Method

10. Now, click here to download the suitable CA certificates for further steps.

11. After that, enter the below details as mentioned- 

  • Profile Name – Any name you want
  • Server Address – Enter the NordVPN server hostname or IP address for the VPN server in your preferred location

Find the right hostname for your preferred NordVPN server.

  • User name – NordVPN service username
  • Password – NordVPN service password

Find your NordVPN service credentials from your online account dashboard; under the Advanced configuration tab.

NordVPN service credentials
  • Port – 1194 (recommended)
  • Protocol – UDP (recommended)
  • Certificate – Upload the CA certificate for the server you've picked
Create VPN profile

12. Click Next once done.

13. Now, the Advanced Settings screen will pop up; check all the boxes next to available options and hit Apply.

Synology Advanced Settings

14. You'll return to the list of Network profiles next.

Network Interface list on Synology

15. At this point, if you want to connect your recently created VPN profile, you'll receive an error message.

Connection error for NordVPN

16. To avoid that, you have to manually edit your OpenVPN profile

17. For that, you need to SSH as root and enable SSH from the Terminal & SNMP option.

Terminal & SNMP

18. Now, open a terminal window on the device you're using and enter the below command- 

ssh root@(ip of your synology)
NordVPN root password

The root password will be the one you're using to get administrative access to your NAS device.

19. After that, change directories by typing in the below command and pressing the Enter button at the end of it. 

cd /usr/syno/etc/synovpnclient/openvpn
ls -al

20. You'll get three files now, i.e., ca.cert, client_, and ovpnclient.conf.

NordVPN files on Synology

21. You need to add another file in this section that will contain the tls-auth key.

22. For that, type in the below command and replace the connection_id with your one- 

vi tls_auth_connection_id.key
NordVPN command

23. Now, you've to return to the directory where the extracted CA certificates are stored; you'll get the tls-auth.key files there. 

24. Select the one key file corresponding to the VPN server you're going to use; open it in a text editor and copy the content.

25. Now, open a terminal window and press A; then paste the content you've copied earlier within the terminal window.

NordVPN auth key

26. Next, press the Escape button and type in :wq.

NordVPN auth key Save

27. If you're using the ls -al command instead, you'll get a different output like the image below.

NordVPN command on Synology

28. After that, finish the client_(connection_id) file. 

29. For that, you've to open the file first with vi and then paste the below content; don't forget to replace the tls-auth.key with the name of the key file you've created before. 

cipher AES-256-CBC
remote-cert-tls server
auth SHA512
tls-auth tls_auth_o1430912123.key 1
tun-mtu 1500
tun-mtu-extra 32
mssfix 1450
ping 15
ping-restart 0
log-append /volume1/tmp/NordVPN.log

30. Now, save the file by pressing the Escape button and typing :wq.

31. Next, you've to return to your web browser window and click Connect.

32. You'll see your status soon to be turning into Connecting.

NordVPN OpenVPN connect

33. Now, NordVPN will be connected to your Synology NAS.

NordVPN OpenVPN connected

34. To disconnect, simply click the Disconnect button on the Synology Network list.

That's all! Now you know how to set up and use NordVPN on Synology 5.1 NAS devices. If you've further queries, drop us a comment through the below button. Thanks for reading!

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