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How to open a port on the BT Wireless Network 1250

BT WirelessNetwork1250 routers include a very basic firewall that helps protect your home network form unwanted access from the internet. Since this firewall blocks incoming connections you may need open a port through it for certain games and applications. This process of opening a port is frequently called a port forward, since you are forwarding a port from the internet to your home network.

The basic process to open a port is:

  1. Setup a static ip address on either your computer or device that you want to forward a port to.
  2. Login to your BT Wireless Network 1250 router.
  3. Navigate to the port forwarding section.
    • Click the Firewall button.
    • Click the Firewall Settings button.
    • Use the Select a computer to select the device to forward ports to.
    • Click the Add a new user-defined application radio button.
  4. Create a port forward entry.

While these steps might seem difficult at first, we will walk you through each step for your BT WirelessNetwork1250 router.

We think that forwarding a port should be easy. That's why we created Network Utilities. Our software does everything that you need to forward a port.

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Step 1

It is important to setup a static ip address in the device that you are forwarding a port to. This ensures that your ports will remain open even after your device reboots.

  • Recommended - Our free program will setup a static IP address for you.
    Download Network Utilities today!

  • Or follow our Static IP Address guide to setup a static IP address.

Step 2

Now we are going to login to your BT WirelessNetwork1250 router. Your router has a web interface, so you will login to it using your web browser. This can be either Chrome, Firefox, Internet Explorer, or Edge. It usually does not matter which browser you choose to use.

Open up your web browser and find the address bar. It should look something like this:

In the picture above the address bar has in it. Just replace all of that with the IP address of your BT WirelessNetwork1250 router. Your router's ip address can also be refered to as your computer's default gateway.

By default the IP address is set to:

After entering the IP address of your router you can simply press enter. If all goes well you will see the following screen:

BT WirelessNetwork1250 Screenshot 1

You should see a box prompting you for your username and password.

  • The Default BT WirelessNetwork1250 Router Username is: blank
  • The Default BT WirelessNetwork1250 Router Password is: blank

Enter your username and password, and then click the Login button to log in to your BT WirelessNetwork1250 router.

BT Usernames and Passwords

If your username and password do not work then please visit our Default BT Router Passwords page.

If you still can't login to your router because you forgot your BT WirelessNetwork1250 router username and password, use our How to Reset a Router Password guide to set your BT WirelessNetwork1250 router back to its factory settings.

Step 3

Now we need to find the port forwarding section in your router. Here's how you do it. Starting from the first page in your router:

BT WirelessNetwork1250 Screenshot 3

Click the Firewall button.

BT WirelessNetwork1250 Screenshot 4

Click the Firewall Settings button.

BT WirelessNetwork1250 Screenshot 5

Use the Select a computer box to choose a device to forward ports to. This box contains a list of device names that are visible on your network.

Put a dot into the Add a new user-defined application radio button.

BT WirelessNetwork1250 Screenshot 6
Step 4

Now we are ready to enter some data in your router. In order to show you exactly how to configure your router we need you to answer 2 questions:

Application :
IP Address :

(The IP Address to forward to should be the same "static ip address" that you setup above)

Our router simulator shows you exactly what data to enter in your router based on your choices above. We are currently showing the ports for XBox Live. You should fill out the boxes in the router as you see them here:

Click the Back button.

BT WirelessNetwork1250 Screenshot 5

Select the applications you just created in the Applications list, then click the Add button to move them to the Hosted Applications box.

When you are finished, click the Done button at the bottom of your screen.
Test if Your Ports are Open

Now that you have forwarded ports on the BT WirelessNetwork1250 you should test to see if your ports are forwarded correctly.

To test if your port has been properly forwarded, you can use our Network Utilities tool, which includes a free Open Port Checker. Our Open Port Check tool is the only online port checking tool with Guaranteed Results.

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