Opening Ports for QNAP TS-420U using 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 QNAP TS-420U device:

QNAP TS-420U - PC

  • TCP: 21-22, 25, 80, 443, 445, 873, 3306, 6881-6999, 8080, 9000, 13131, 55536-56559
  • UDP: 6881-6999

Forward Ports for a QNAP TS-420U device

You might need to forward some ports in your router when you use a QNAP TS-420U device. By forwarding ports you allow connection requests coming from the internet to be directed to a QNAP TS-420U device.

Routers generally do not allow incoming connection requests from the internet. By forwarding a port you can overcome this limitation.

Remember to Do These Things Before You Forward a Port

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

Find 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.

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

How To Forward Ports for a QNAP TS-420U device

A smart way to forward your ports is to use Network Utilities. With Network Utilities, you can easily forward ports and also un-forward ports quickly so that you can keep your network up to date with the ports that you need forwarded and maximize your network security.

Port forwarding can also be set up step-by-step 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 QNAP TS-420U device:

List of Routers - Customized for QNAP TS-420U

Those are the steps to take in order to forward ports in your router for a QNAP TS-420U device.

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