Setup FastestVPN via OpenVPN on Synology NAS
This tutorial explains how to connect your Synology NAS DiskStation Manager (DSM) 6 and above to FastestVPN using OpenVPN (TCP/ UDP) Protocol.
Before you setup VPN on Synology, it is recommended to disable its IPv6 to prevent IPv6 leaks. For this, please follow the steps given below.
On your DSM dashboard, open Control Panel and then click on Network.
Click the Network Interface tab and expand the LAN menu. Click Edit
Select IPv6 tab. In IPv6 setup, select “Off”. After that, click OK.
Reboot your Synology after these steps.
Now, follow these steps to setup VPN on Synology NAS.
Step #1: Download FastestVPN .ovpn VPN server config files from here. Extract these files somewhere to use in later steps.
Step #2: Open Control Panel > Network > Network Interface.
Click on Create > Create VPN Profile.
Step #3: Select “OpenVPN (via importing a .ovpn file)” and click on Next.
Step #4: Enter following information in “General Settings” screen.
Step #5: In “Advance Settings” section, check mark “Use default gateway on remote network” and “Reconnect when the VPN connection is lost”.
Second option, “Allow other network devices…” is optional, you can check mark or leave it unchecked.
Click on Apply
Step #6: You can see that your VPN profile has been created in “Network Interface” window. Click on it and click Connect. You will be connected to VPN shortly
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To disconnect from FastestVPN, just click on Disconnect below “Network Interface” tab