Port Forwarding for Synology DS209j

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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 DS209j device:

Synology DS209j - 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 DS209j device

You might need to forward some ports in your router when you use a Synology DS209j device. The purpose of forwarding ports is to make a direct connection from the internet to a Synology DS209j 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

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

How to Locate Your Router's IP Address

You can run our free Router Detector software to locate your router's IP address. Our Router Detector tool is free to use and is part of our Network Utilities software.

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 DS209j device

A smart way to forward your ports is to use Network Utilities. 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 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 DS209j device:

List of Routers - Customized for Synology DS209j

That is the process required to forward ports in your router for a Synology DS209j device.

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