Unanswered Question
Aug 11th, 2010
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How do we add a trust authority on ACS 5?  We also get an error when the client authenticate by eap-tls.

12514 EAP-TLS failed SSL/TLS handshake because of an unknown CA in the client certificates chain  this sound like the Trust Authority on client is not matchi with on ACS server , is that right?


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jorge.novo Fri, 11/05/2010 - 06:25
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  Seems to be that, or also you are not installed the CA in the ACS

CA Certificate

          | ________ Server Certificate

          |______________Client certificate

Ensure that the certificate authority that signed the client's certificate is  correctly installed in the Certificate Authorities page (Users and Identity  Stores: Certificate Authorities). Check the OpenSSLErrorMessage and  OpenSSLErrorStack for more information. If CRL is configured, check the System  Diagnostics for possible CRL downloading faults.

Un Saludo

jedubois Fri, 11/05/2010 - 10:41
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  • Cisco Employee,

You are correct, the ACS doesn't have the CA for the client certificate being presented.  This can be added under Users and Identity Stores -> Certificate Authorties, If it is a multi-tiered CA you can add each certificate in the chain here.



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