How to Port Forward Synology DS209 in Your Router

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Port Forward Staff
July 22, 2021 (Last Updated: ) | Reading Time: 1 minutes

Here is a list of the ports that need to be forwarded for a Synology DS209 NAS:

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

Forward Ports for a Synology DS209 NAS

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

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

Before You Forward a Port

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

How to Locate Your Router's IP Address

To find your router's IP address the easy way you can use our free Router Detector software. It's a part of the Network Utilities suite of tools and it's completely free to use.

You can also follow our Find Your Router IP Address article.

How To Forward Ports for a Synology DS209 NAS

You can use our Network Utilities software to automatically 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.

You can also choose to set up port forwards manually. 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 DS209 NAS:

List of Routers - Customized for Synology DS209

That's all it takes to forward your ports for a Synology DS209 NAS.

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