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Wireless Setup


thelowlyone
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I was wonder if anyone can explain to me how to set up a wireless network like the one in my school's library. The wireless network has no encryption so anyone can just hop on it. When you connect you can't access the internet until after you've opened your browser which gets automatically redirected to the library's login page and enter your student ID and PIN. After you've logged in a popup comes up that you have to keep open in order to remain connected. I want to set up a wireless network similar to this so I hope someone can at least explain to me how it would be setup and how it works. Thanks in advanced.

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Captive Portal with Radius authentication. I have that with a VPN pass through which enables me to have the actual wireless totally unsecrued (i.e. without WEP or WPA) but still know that no one is going to be able to get onto my LAN or my Internet.

Never had much luck with wireless encyption myself.

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If the Captive Portal can authenticate against the Active Directory then it shouldn't have a problem. Most Captive Portals use Radius for authentication, to my memory Active Directory can be authenticated by Radius, so that would be the easiest way, but you might not want to change that over to Radius.

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And is it hard to setup one of these things (Captive portals)? And is Radius hard to implement?

You could replace your current router, or just set up a Monowall in the right place and that will allow you to run a Captive portal, with local user authentication. If you want to get into radius then you need to start to look at FreeRadius, but that is a beast. It seems like the config file is about 10km long, and its not particularly well documented. There are other radius servers out there but FreeRadius seems to be the most used and is past the v1.0 stage.

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