Radius-based windows authentication

Mike Perdide mike.perdide at gmail.com
Fri Apr 25 17:20:23 CEST 2008


Phil Mayers wrote:
> Is the windows machine a domain member?
No it's not. Only the users are.

> I think you are asking "is it possible for the client to do 802.1x with
> the username/password typed into the login box" and the answer is "yes".
That's exactly my question, thanks ;).

>   1. Using the windows native supplicant and machine account
> authentication. Basically the process is this:
>      * machine powers on - no-one logged in
>      * machine uses its own domain account to login "host/$machinename"
>      * user presses ctrl+alt+del
When you say user presses ctrl+alt+del, you mean that he closes the session 
and uses his own login ?

>      * machine validates credentials to the domain controller, over the
> current network connection
How did the machine obtain network connection ?

>      * machine downloads the users profile
>      * once the profile is download, the machine does an EAP-Logoff and
> then re-authenticates using the user credentials
>      * when the user logs out, the machine does and EAP-Logoff and then
> logs back in using the machine account

>   3. Using a different supplicant which has a GINA plugin; I believe the
> Odyssey supplicant (which you have to pay for) can do this. SecureW2
> (which is open source) may. Obviously you have to install software.
I am currently using SecureW2 TTLS, and I did not see such thing as GINA 
plugin. I am gonna look for documentation about that.


Thanks for your help.



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