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Old 06-25-2007, 08:57 PM   #1
Hunter2
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Web-based auth. for router internet access


Hi all,

First I'll try to describe what I'm attempting. I'm hoping to set up a wireless router to offer authentication through a web interface. In other words, it would not be encrypted (i.e. no WEP/WPA), but newly connected users would have their browsers redirected to a webpage requiring them to download and execute an authentication client or daemon. As an example, I've seen this done before in commercial environments like hotels or university residences, to ensure proper end-user antivirus protection.

Unfortunately, my router doesn't have any such feature, and isn't re-programmable (afaik), so this would need to be implemented separately from the router itself. I'm thinking it might be done by setting up a Linux box between the internet connection and the router. For what it's worth, this is the picture I've got in my head of how it might work, although if a better solution exists, I'd jump on board quicker 'n lightning. Feel free to call me an idiot =)

1. Linux box is running 3 daemons: web server, DNS server, and some custom authentication server.
2. When clients connect to the wireless router, DHCP serves up the Linux box's DNS server instead of the ISP's.
3. On host lookups, the Linux DNS checks with the auth server to see if the client's authenticated; if not, the lookup returns the IP of the web server, which allows the client to download an auth client.
4. If the client is running the auth client, the DNS server passes requests directly to the ISP's DNS servers.

The main problem I have, is simply that I have no idea where to start looking for software of this sort, or even if it exists in open source. If anyone can just point me in the right direction of what to look for, I'll be eternally in your debt (or at least, until I can repay the favor =P ). Thanks!

-Kevin L.
 
Old 06-25-2007, 09:48 PM   #2
win32sux
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Quote:
Originally Posted by Hunter2
I have no idea where to start looking for software of this sort, or even if it exists in open source. If anyone can just point me in the right direction of what to look for
Maybe check-out ChilliSpot.
 
Old 06-25-2007, 11:12 PM   #3
Hunter2
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Quote:
Originally Posted by win32sux
Maybe check-out ChilliSpot.
Awesome. Uh, just one thing though.. does this require running Linux on the router? It kind of sounds like it, judging from all the Google hits and the documentation thread on 'how chilli works'.
 
Old 06-25-2007, 11:22 PM   #4
win32sux
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Quote:
Originally Posted by Hunter2
does this require running Linux on the router?
Judging by the diagram on the front page, I'd say no.
 
  


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