What should I do after setting VPN server on Synology NAS?

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As we knew, Synology NAS provides a VPN function so that users can access resources shared within the local area network of your Synology NAS remotely and securely.

In general, Synology provides PPTP/L2TP/OpenVPN Server, after enabling it, you need to do a port forwarding on your wireless Router. Here are some key points when you configure it on your Router.


  1. Get a public IP on your WAN side.


  • Public IP address is your passport to the internet. You couldn't do much without a public IP address. Like post addresses (e.g., 1234 Main Street) are used to deliver mail to your home, a public IP address is the unique IP address assigned to a specific device. This public IP address is used to communicate with the Internet.
  • Check the Router's WAN IP and then access www.whatismyip.com, if both of them use the same IP address, the WAN IP is a public IP.


2. Open the ports on the Router.


  • VPN Server uses the different ports to communicate.
  • If you use the PPTP VPN Server, and you need to open port 1723;

  • If you use OpenVPN Server, you need to open the port you set on the NAS, as default, it is port 1194;

  • If you use the L2TP VPN Server, and you need to open port 1701, port 500, and port 4500.