Forwarding Ports for Defender 21152 on 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 Defender 21152 DVR:

Defender 21152 - PC

  • TCP: 80, 5000, 9000, 18004
  • UDP: 80, 5000, 9000, 18004

Forwarding Ports for a Defender 21152 DVR

When you use a Defender 21152 DVR you may need to forward ports in your router. Forwarding ports is used to allow incoming connection requests from the internet to a Defender 21152 DVR.

By default routers do not allow incoming network requests. By forwarding ports you 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 the IP Address of Your Router

To find your router's IP address the easy way you can use our free Router Detector software. Our Router Detector tool is free to use and is part of our Network Utilities software.

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 Defender 21152 DVR

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.

You can also choose to set up port forwards manually. The step-by-step 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 Defender 21152 DVR:

List of Routers - Customized for Defender 21152

Those are the steps to take in order to forward ports in your router for a Defender 21152 DVR.

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