Create a Port Forward for Synology DS109 in your Router

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

You might need to forward some ports in your router when you use a Synology DS109 device. By forwarding ports you allow connection requests coming from the internet to be directed to a Synology DS109 device.

By default routers do not allow incoming network requests. Forwarding ports can work around this limitation.

Before Forwarding a Port Checkoff This To Do List

Before you can forward a port you need to know the following things:

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 Your Router's IP Address

The easiest way to locate your router's IP address is to run our free Router Detector utility. It's a part of the Network Utilities suite of tools and it's completely free to use.

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

How To Forward Ports for a Synology DS109 device

We have Network Utilities software that can forward ports for you. Since Network Utilities allows you to both forward and un-forward ports easily you can keep your network security maximized, and then forward ports only when you need them.

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

You probably will need to reboot your router for the changes to take effect.

You can choose your router from our list to see exactly how to forward ports for a Synology DS109 device:

List of Routers - Customized for Synology DS109

Forwarding Ports for a Synology DS109 device

The following ports need to be forwarded for a Synology DS109 device:

Synology DS109 - 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 DS109 device.

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