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Editorial Team
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Asked: 2026-06-11T01:48:49+00:00

Using ASP.Net I did a web site and can load it up in a

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Using ASP.Net I did a web site and can load it up in a browser window when pressing the F5 key in VS2010.

On the browser window I noticed VS2010 used an address like this to load the web site home page: 

localhost:12345/

If I try to use the ip address for my computer found by using ipconfig to load up the home page,

1.2.3.4:12345

I get an error stating:

Could not connect to 1.2.3.4:12345

If I use:

1.2.3.4

I get the IIS7 default page.

The actual address and port numbers I used in this example are different than those I really used.

Can you tell me why localhost works but 1.2.3.4 does not work?

Can you tell me if I need to do something extra with IIS7 since I never did this before?

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1 Answer

  1. Editorial Team

    A couple of things to remeber. Your computer two types of IP address. The first is a private IP address and the second is a public IP adress. IPConfig will show you your local, private address. Your private address will not be accessible from anywhere outside your LAN.

    If you would like to change your websites URL locally from localhost, you need to change your IDE’s development settings.

    This site has a great tutorial on how to do that.

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