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Mac OS X  and wireless EAP-TLS machine authentication

7598 Views 4 Replies Latest reply: Oct 23, 2009 6:53 AM by W. S. Wellington RSS
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Sep 3, 2009 9:56 AM
Our wireless network use WPA2 Enterprise (802.1x EAP-TLS with machine only authentication). Certificates enrolled from Microsoft CA (with computer template). I have problem with authentication, because MacOS doesn't have setting to choose machine authentication (on RADIUS server side (Cisco ACS) auth request from Mac appears as user request not machine (without host/ prefix). Does anyone fix this issue?

MacBook Pro, Mac OS X (10.6)
  • Graham Perrin Level 2 Level 2 (240 points)
    I'm not sure if this is what you're seeking, but the Configure Trust… button presents the Servers tab (alongside the Certificates tab).

    The tabs are visible in screen shot 8 at <>
    Intel and PowerPC desktops and laptops, G4 PowerPC Xserves, Xserve RAIDs, Mac OS X (10.6), Mac OS X 10.5.8 and 10.6, Mac OS X Server 10.5.8
  • rnbarrett Level 1 Level 1 (0 points)
    Two things:

    - Make sure that the machine certificate is in the System keychain
    - For the network card, on the 802.1X tab, you must create a System Profile (not a User profile). Select EAP-TLS and choose the machine certificate. You will probably need to augment the default "User Name" on this screen by adding"host/" (without quotes) as a prefix. This makes it so that most RADIUS servers receive the preferred user id of "host/" (without quotes) and will understand that this a machine authentication. Your mileage may vary - you may want to try it with, and without, the host/ prefix.
    iMac 24" Early 2008, Mac OS X (10.5.8), and Vista SP2 with my iPhone OS 3.0.1
  • Joe Swenson Level 3 Level 3 (735 points)
    problem is that OS X doesn't spit out the machine account password like it should be.
    Apple doesn't seem to understand machine auth
  • W. S. Wellington Level 3 Level 3 (500 points)
    I agree, None of my OS X 10.6.1 machines will produce a machine password. Apple does not see to understand how Machine Auth works.
    PowerMac G5 DualCore 2.3 4.5GB, Mac OS X (10.4.6)


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