Sunday, December 3, 2006

T-Mobile WPA (Without nasty client sw)

I finally found a tip on the Internet about using t-mobile with WPA without the nasty t-mobile connection software. Those groovy geniuses at TheShmooGroup have a member who did it. The post follows from their forums.
Jouni Malinen jkmaline at

Sat Sep 3 13:33:19 MDT 2005
Some time ago, there were couple of questions on how to use wpa_supplicant with the WPA-enabled version of T-Mobile wireless network.
Finally, I had a suitable chance to test this a bit while waiting for my flight at SFO and the connection is indeed working fine. As a proof, this email is actually send over the WPA encrypted T-Mobile network ;-).
The SSID for the network is tmobile1x and it is configured for WPA-Enterprise with TKIP. Authentication is done using EAP-TTLS/PAP using the normal T-Mobile username/password. It was enough to just complete WPA authentication, i.e., no need to go to any web portal page. It took me some time (maybe five or so scan attempts) to find tmobile1x SSID even though I saw six or so APs with tmobile SSID at the same time. Anyway, once the correct SSID was found, association and authentication went through fine.
This network block worked fine (at least at SFO) with madwifi:
Jouni Malinen PGP id EFC895FA

I got this working with the Intel ProSet Wireless supplicant. Here are screen grabs of the setup, Insert your own T-Mobile username as required. Also, feel free to click the image for a larger version.

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