Got me curious, Bruce. What costs are associated with Eduroam?

Lee

Lee Badman
Network Architect/Wireless TME
Syracuse University
315.443.3003

-----Original Message-----
From: Osborne, Bruce W (Network Operations) [bosbo...@liberty.edu]
Received: Thursday, 02 Feb 2017, 7:41
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU [WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU]
Subject: Re: [WIRELESS-LAN] Windows 10 eduroam EAP/TLS adding "host/" before 
username in RADIUS request?

We do not use Eduroam (too expensive) but we use RADIUS EAP/PEAP MSCHAPv2 for 
both machine & user authentication.

I have only seen the host/  prefix from our OSX clients, not Windows. Perhaps 
EAP/TLS is different?


Bruce Osborne
Senior Network Engineer
Network Operations - Wireless

 (434) 592-4229

LIBERTY UNIVERSITY
Training Champions for Christ since 1971

From: Cappalli, Tim (Aruba) [mailto:t...@hpe.com]
Sent: Wednesday, February 1, 2017 8:17 PM
Subject: Re: Windows 10 eduroam EAP/TLS adding "host/" before username in 
RADIUS request?

Sounds like the client is configured for computer authentication, not user. You 
can change this in the supplicant configuration.

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Watters, John
Sent: Wednesday, February 1, 2017 16:51
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: Re: [WIRELESS-LAN] Windows 10 eduroam EAP/TLS adding "host/" before 
username in RADIUS request?

Let me ask our RADIUS folks about this tomorrow. I'll post whatever I find out.


==========================
-jcw
________________________________
From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] on behalf of Scot Colburn 
[colb...@ucar.edu]
Sent: Wednesday, February 01, 2017 5:55 PM
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: [WIRELESS-LAN] Windows 10 eduroam EAP/TLS adding "host/" before 
username in RADIUS request?
Is anybody else seeing Windows 10 prepending "host/" to eduroam usernames in 
EAP/TLS auth?

We've had trouble getting our Windows 10 machines authenticating onto our 
eduroam SSID using EAP/TLS. We seem to have two outcomes, neither of which work:
1) if we create a "Manual Profile" then no authentication traffic ever hits the 
RADIUS server.
2) if we do NOT create a manual profile then an authentication request does hit 
the RADIUS server, but with "host/" prepended to the hostname. Our RADIUS 
server rejects the authentication with "host/" prepended; I imagine a roaming 
user would have often have the same issue.

I have a theory: The eduroam auth requires a "realm" to be appended to the 
username so eduroam service-providers and federated RADIUS servers know to 
proxy a roaming RADIUS auth to the correct server. In our case, we append 
"@ucar.edu<http://ucar.edu>" to the username. Maybe that 
"@ucar.edu<http://ucar.edu/>"  is provoking Windows10 to prepend the "host/" 
prefix.  Authentication to our internal SSID without the 
"@ucar.edu<http://ucar.edu>" is working normally.

Any clues?

I think we can build a workaround to rewrite the username on the RADIUS server, 
but that won't help our roaming eduroam EAP/TLS users if other eduroam 
service-providers are having the same issue.

Scot Colburn
Network Engineer NCAR/UCAR/NETS/FRGP

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