I didn't mean the real WPA key (that's why I put them in brackets). I wanted a 
key (a pass of some predefined user) in radius server. And the user in raduis 
server is deleted X hours after it's first login.

Is this possible, or am I missing the point completely?

Ferd0

----- Original Message ----
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: FreeRadius users mailing list <[email protected]>
Sent: Sunday, July 29, 2007 5:46:00 PM
Subject: Re: "WPA keys" that expires after use

Hi,

> The idea is, that the router does the authentication via radius server, which 
> stores predefined "WPA keys". When user uses one of them to access the 
> network, the "WPA key" is activated. After specified period of time, radius 
> server automatically deactivates the WPA key and disconnects user.

err, if the WPA key only becomes active AFTER they've reached the RADIUS server 
- then HOW are they to connect
to the wireless in the first place - as the WPA key is required for the layer 2 
link to come alive(!)

AAA would be able to give you this 'very low level' type of authentication. 
what you COULD do
with AAA is to use SSL certs....eg EAP-PEAP/EAP-TLS with WPA-enterprise. and 
then once the
cert has been used, expire it.  alternatively use WPA as you are currently 
doing but enforce
another control method to get online - such as a SOCKS5 proxy.

alan
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