In the first step, login to your Qnap NAS and go to "Applications" (1) and then "VPN client" (2)

In the second step, choose "VPN client" (3), click "Add" and select "OpenVPN" (4) connection

In "Create VPN Connection" complete the following fields

In the "Profile Name" (5) field, type name of vpn connection

In the "Server address" (6) field, type the name of one of the VPNonline server

In the customer panel you will find the available vpn server: https://portal.vpnonline.pl

In the "Server Port" (7), select "TCP" (7) and "443" (8)

In the "User Name" (9) field, type your User Name

In the "Password" (10) field, type your password

In the "Encryption" (11) field, select "Medium (AES 128bit)"

In the "Certificate" (11) field, add our certificate (12), select "Browse.." (13).

Certyfikat znajdziesz w dziale: Downloads

Select "Use default gateway on remote network" (11)

Select "Reconect when the VPN connection is lost" (12)

After filling in all the required fields, click "Create" (13)