1.2 of the ISE and iPEP required certificates

Hello

For version 1.1.x of ISE, there are a few constraints on the certificates used for iPEP and Admin:

Both EKU attributes must be disabled, if the two attributes, EKU are disabled in the certificate of Inline Posture, or the two attributes, EKU must be activated, if the server attribute is enabled in the certificate Postur Inline.

Validation of EKU has been removed in version 1.2

"If you configure ISE for services like Inline Policy Enforcement Point (iPEP), the model used to generate the ISE server identity certificate must contain attributes to authenticate client and server if you use ISE Version 1.1.x or earlier." This allows the admin and inline nodes to mutually authenticate each other. The validation of the EKU for iPEP was removed in ISE Version 1.2, which makes this less relevant requirement. »

Source:

http://www.Cisco.com/en/us/products/ps11640/products_tech_note09186a0080bff108.shtml

Tags: Cisco Security

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