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802.1X EAP-TLS AND validate user credentials on NPS radius server?

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  • 1.  802.1X EAP-TLS AND validate user credentials on NPS radius server?

    Posted Mar 30, 2015 05:17 PM

    I’m not sure where to ask this.

     

    Can you have an 802.1x EAP-TLS AND validate user credentials using a NPS radius server?

     

    Here’s why I ask…

     

    I do the wireless networking setup and another group does the windows / NPS server side of things. I thought we required the cert and validated the user credentials. (I’m sure I tested this ) but I just tested it and I got on using only the cert and I’m being told that is “how EAP-TLS works!” No user credentials required.

     

    I want to require both user credentials and certificate. Is this possible?

     



  • 2.  RE: 802.1X EAP-TLS AND validate user credentials on NPS radius server?

    EMPLOYEE
    Posted Mar 30, 2015 10:35 PM

    You cannot.  You can have a network rule that can authenticate certificate OR username and password, but not both.



  • 3.  RE: 802.1X EAP-TLS AND validate user credentials on NPS radius server?

    Posted Mar 30, 2015 11:02 PM

    Thank you!

    Would you happen to know if this is possible if we were using clearpass as our radius server?



  • 4.  RE: 802.1X EAP-TLS AND validate user credentials on NPS radius server?
    Best Answer

    EMPLOYEE
    Posted Mar 30, 2015 11:06 PM

    No, for two reasons:

     

    1.  Most supplicants will only allow you to authenticate Either Certificates OR username and password.  A few custom supplicants will allow you to do a combination of username and password, smartcard and certificate, etc, but they cost money.

    2.  Most radius servers like clearpass can only service a single EAP type at a time, but a custom supplicant can make them authenticate one or the other.  Highly secure environments deploy this, but they are expensive to deploy and complicated to install and maintain.

     



  • 5.  RE: 802.1X EAP-TLS AND validate user credentials on NPS radius server?

    Posted Mar 30, 2015 11:09 PM

    Thank you sir!