Port Forwarding the Buffalo WZR-HP-G300NH Router for UltraVNC

What is Port Forwarding?

If you don't know what Port Forwarding is yet, you might want to start by reading our What is Port Forwarding guide.

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Before Forwarding a Port Setup a Static IP Address

To setup port forwarding on the Buffalo WZR-HP-G300NH router your device needs to have a static IP address. You should complete one of the following steps first:

Now that you have setup a Static IP Address on your device, please enter the IP address that you assigned to your device here:

Don't Skip This Step!

Login to the Buffalo WZR-HP-G300NH Router

Now we need to know your routers IP address. You can find it a variety of ways.

How To Find Your Buffalo WZR-HP-G300NH Router IP Address

It's ok if you don't know your Buffalo WZR-HP-G300NH router's internal IP address. You can find it by doing one of the following:

Login To The Buffalo WZR-HP-G300NH Router Using Your Web Browser

Open a web browser like Internet Explorer or Firefox. Enter the internal IP address of your router in the address bar of your browser.

Buffalo WZR-HP-G300NH Screenshot 0

In the picture above the address bar has http://www.google.com in it. Just replace all of that with the internal IP address of your Buffalo WZR-HP-G300NH router. By default the IP address should be set to

Buffalo WZR-HP-G300NH Screenshot 1

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

The Default Buffalo WZR-HP-G300NH Router Username is: root

The Default Buffalo WZR-HP-G300NH Router Password is: blank

Click the Ok button to log in to your Buffalo WZR-HP-G300NH router.

Default Usernames and Passwords for other Buffalo Routers

Please visit our Default Buffalo Router Passwords page if the username and password shown below did not work for you.

If you can't login to your router because you forgot your Buffalo WZR-HP-G300NH router username and password, use our How to Reset a Router Password guide to set your Buffalo WZR-HP-G300NH router back to its factory settings.

How to Port Forward UltraVNC on the Buffalo WZR-HP-G300NH

Having trouble forwarding ports on the Buffalo WZR-HP-G300NH?

If you are having trouble with this guide, then perhaps PFConfig may be your solution. PFConfig is a software tool that will automatically forward ports for your Buffalo WZR-HP-G300NH router to save you time and hassle.

Before we can forward ports for UltraVNC, we need to figure out what ports UltraVNC is using. Here is a brief walkthrough on how to do that. Go ahead and open up UltraVNC and get into the Admin Properties.

In the Incoming Connections area you should see a Ports Main and Ports Http boxes. The Ports Main box lets you specify the port that will be used when you use a VNC Viewer to connect to the server. The Ports Http box lets you specify the port that will be used when you use a web browser to connect to the server. If you want to change the ports go ahead and do so. Then enter those ports into the boxes below.

Please enter the port you chose for the Ports Main box into the box below.

UltraVNC Ports Main box

Please enter the port you chose for the Ports Http box into the box below.

UltraVNC Ports Http box

Buffalo WZR-HP-G300NH Router Port Forwarding Screenshots

Now that you are logged in to your Buffalo WZR-HP-G300NH router you should see the following:

Buffalo WZR-HP-G300NH Screenshot 2

Click the LAN Config button near the top of the page.

Buffalo WZR-HP-G300NH Screenshot 3

We will list a series of lines here that will show you exactly how to forward the ports you need to forward. UltraVNC requires you to forward the AppFullPortsListTag ports. Go ahead and enter the settings shown above into the Port Forwarding menu and then click Add.

You should see another page of settings that need to be entered into one of the blank lines on your routers Port Forwarding page. Go ahead and enter those settings and then click Add.

And that is it! You are done!

Test if Your Ports are Open

Now that you have forwarded ports for UltraVNC on the Buffalo WZR-HP-G300NH you should test to see if your ports are forwarded correctly.

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

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