Create a Port Forward for Synology DS209+II in your Router

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

The following ports need to be forwarded for a Synology DS209+II device:

Synology DS209+II - 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+II device

When you use a Synology DS209+II device you may need to forward ports in your router. The purpose of forwarding ports is to make a direct connection from the internet to a Synology DS209+II device.

Routers are not designed to allow incoming network requests. A port forward can overcome this limitation.

Before Forwarding a Port Checkoff This To Do List

Before forwarding a port make sure that you know these things:

How to Locate Your Router's IP Address

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

Otherwise, you can follow our guide Find Your Router IP Address.

How To Set Up Port Forwarding for a Synology DS209+II device

We have Network Utilities software that can forward ports for you. Our Network Utilities software allows you to add port forwards and also remove them when you no longer need them to maximize your network security.

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

Usually you have to reboot your router in order to save the changes.

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

List of Routers - Customized for Synology DS209+II

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

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