Lee,

   I want to state first that I am not, by any means, an expert on all of the 
authentication standards and protocols.  I was hoping someone would have a 
document that would help better articulate the goals and benefits.

We have been a eap-peap shop for years and I have always been told that eap-tls 
(cert based authentication) is more secure and you should do that.  I never had 
the time to deal with it and putting up a cert based infrastructure just seemed 
daunting.   I finally have some time and have started to play with it.  We are 
an Aruba shop and the clearpass Onboard system seems pretty simple to implement 
and get EAP-TLS working.

Now to the why.   It seems that the ability to separate username/password from 
network authentication has some benefits.   If a user changes his 
username/password it no longer affects his network connectivity.  If we want to 
blacklist a device it will be easy as each device will have its own cert. So we 
can blacklist one device and let the rest still on.  We could do those things 
today but it is just a little harder to do with eap-peap.   We can also get 
users out of storing their usernames and passwords, because everyone does it 
with eap-peap. The thought process went, if you are going to run an on-board 
process anyway, why not onboard with eap-tls.  On the wireless side that is 
really all I have.  I have always been told it is more secure so have always 
thought I should try and get there.

Now, we are also moving to wired authentication on every port.   We are 
supporting both mac auth and 802.1x (eap-peap).  We did this to get the project 
moving and get all ports to some type of authentication.  Now 802.1x on the 
wired side is just plain difficult.  Nothing except macs are setup for it out 
of the box.   You need admin rights on the machine to set it up (which many 
people on the wired side don't have) and you almost have to run through some 
type of onboard process to do it in mass.   You have to deal with stuff like 
network logons and mounting drives before authentication. We also don't want 
the users storing usernames and password and everyone will because no one wants 
to type it in every time.   I am back to the if you are going to run through an 
onboard process anyway, will certs make it a little easier.   It gives you the 
username/password separation.   The ability to revoke per device, and once 
onboarded, never have to be bothered again (until the cert expires).

I am not really concerned about peap being deprecated, it will be around 
forever.   I am not really concerned about usernames and passwords being stolen 
because of eap-peap, there are so many easier ways to do that.  It guess it is 
really the username/password separation and the "thought" that it is the most 
secure method.

From: The EDUCAUSE Wireless Issues Constituent Group Listserv 
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Lee H Badman
Sent: Thursday, August 10, 2017 3:00 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] EAP-TLS

Jerry,

Am curious your reasons for TLS, like if anything beyond "it's better". Concern 
for PEAP being deprecated, etc?

Lee

-----Original Message-----
From: Bucklaew, Jerry [j...@buffalo.edu]
Received: Thursday, 10 Aug 2017, 14:42
To: 
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> 
[WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU]
Subject: Re: [WIRELESS-LAN] EAP-TLS
To ALL:


  We currently do mac auth and EAP-PEAP authentication on our wireless network. 
 I am trying to put together a proposal to move to cert based authentication 
and I was wondering if anyone has a proposal or justification already written 
as to why you should move to cert based auth?  Just trying to save myself some 
typing.
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