Open Ports on Your Router for Synology CS-406e

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

The ports that need to be forwarded for a Synology CS-406e device are listed here:

Synology CS-406e - 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 CS-406e device

When you use a Synology CS-406e device you may need to forward ports in your router. By forwarding ports you allow connection requests coming from the internet to be directed to a Synology CS-406e device.

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

Before Forwarding a Port

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

How to Locate Your Router's IP Address

We have free Router Detector software to help you find your router's IP address. It is part of our Network Utilities suite of tools and is free for you to use it.

We have a guide you can follow Find Your Router IP Address if you don't want to run the software.

Setting Up a Port Forward for a Synology CS-406e 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.

Another option is to go through the process of forwarding ports one step at a time. The process for forwarding a port is:

Frequently you have 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 CS-406e device:

List of Routers - Customized for Synology CS-406e

Those are the steps for forwarding ports in your router for a Synology CS-406e device.

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