Port Forwarding the Asus WL-520GU Router for Express Invoice

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 Asus WL-520GU 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 Asus WL-520GU Router

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

How To Find Your Asus WL-520GU Router IP Address

It's ok if you don't know your Asus WL-520GU router's internal IP address. You can find it by doing one of the following:

Login To The Asus WL-520GU 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.

Asus WL-520GU 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 Asus WL-520GU router. By default the IP address should be set to

Asus WL-520GU Screenshot 1

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

The Default Asus WL-520GU Router Username is: admin

The Default Asus WL-520GU Router Password is: admin

Click the Ok button to log in to your Asus WL-520GU router.

Default Usernames and Passwords for other Asus Routers

Please visit our Default Asus 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 Asus WL-520GU router username and password, use our How to Reset a Router Password guide to set your Asus WL-520GU router back to its factory settings.

How to Port Forward Express Invoice on the Asus WL-520GU

Having trouble forwarding ports on the Asus WL-520GU?

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 router to save you time and hassle.

Asus WL-520GU Router Port Forwarding Screenshots

Now that you are logged in to your Asus WL-520GU router you should see the following:

Asus WL-520GU Screenshot 2

Click the NAT Setting link near the left of the page.

You should now see a new menu. In this new menu, click Virtual Server.

Asus WL-520GU Screenshot 3

Forward Ports 96 on the Asus WL-520GU

We will list a series of lines here that will show you exactly how to forward the ports you need to forward. Express Invoice requires you to forward the 96 ports. Go ahead and enter the settings shown above into the Virtual Server menu and then click Add.

Enable Virtual Server? Yes No
Virtual Server List
Well-Known Applications:
Port Range Local IP Local Port Protocol Description

When you're finished, click Finish near the bottom of the screen to save your changes.

And that's it! You're done!

Test if Your Ports are Open

Now that you have forwarded ports for Express Invoice on the Asus WL-520GU 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.

Asus WL-520GU Router Screenshot Database

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