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

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

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

Forwarding Ports for a Synology DS109 NAS

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

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:

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 NAS

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 NAS:

List of Routers - Customized for Synology DS109

Those are the steps to take in order to forward ports in your router for a Synology DS109 NAS.

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