Creating a Port Forward in Your Router for Synology DS209+

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Port Forward Staff
July 22, 2021 (Last Updated: ) | Reading Time: 2 minutes

When you use a Synology DS209+ device you might need to forward some ports in your router. A port forward allows incoming connection requests from the internet to go straight to a Synology DS209+ device.

Routers generally do not allow incoming connection requests from the internet. A port forward can overcome this limitation.

Before Forwarding a Port Checkoff This To Do List

Make sure that you know these things before forwarding a port:

Use a VPN Instead

Have you considered using a VPN instead of forwarding a port? For most users, a VPN is a much simpler and more secure choice than forwarding a port.

We use and recommend NordVPN because not only is it the fastest VPN, it includes a new feature called Meshnet that makes forwarding a port no longer necessary for most applications. With NordVPN Meshnet, you can connect to your devices from anywhere in the world, completely secure, over a highly encrypted VPN tunnel.

When shopping for a VPN, make sure that they meet the following criteria:

This is the list of requirements that we used when we were shopping around for a VPN provider. There are lots of free, shady VPN providers out there that we looked at and dismissed.

Based in Panama, using diskless servers, and with over 6,100 servers in 61 countries, we can safely say that NordVPN satisfies all of these requirements.

NordVPN is the fastest VPN!

Once you've set up your NordVPN account on multiple computers and enabled Meshnet, you can seamlessly access all of your devices as if they were on the same network. You don't even have to log in to your router. It's very simple.

Every time you click on one of our affiliate links, such as NordVPN, we get a little kickback for introducing you to the service. Think of us as your VPN wingman.

Find the IP Address of Your Router

You can run our free Router Detector software to locate your router's IP address. The software is part of our Network Utilities suite of tools and it is completely free to use.

If you do not want to run the software, you can follow our Find Your Router IP Address guide.

Setting Up a Port Forward for a Synology DS209+ device

We have Network Utilities software that can forward ports for you. With Network Utilities, you can easily forward ports and also un-forward ports quickly so that you can keep your network up to date with the ports that you need forwarded and maximize your network security.

Alternatively you can do it by hand. The process for forwarding a port is:

Some routers need to be rebooted in order for the changes to be saved.

You can choose your router from our list to see exactly how to forward ports for a Synology DS209+ device:

List of Routers - Customized for Synology DS209+

Forwarding Ports for a Synology DS209+ device

The ports that need to be forwarded for a Synology DS209+ device are listed here:

Synology DS209+ - PC

  • TCP: 20-22, 25, 80, 110-111, 137-139, 143, 443, 445, 548, 873, 892, 993, 995, 2049, 3260, 4672, 5000-5001, 5005-5006, 5432, 6881-6999, 7000-7001, 9997-9999, 55536-55663, 55736-55863
  • UDP: 25, 110-111, 137-139, 143, 445, 892, 993, 995, 2049, 4662, 4672, 5432, 6881-6999, 9997-9999

Those are the steps to take in order to forward ports in your router for a Synology DS209+ device.

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