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Cisco Bug: CSCuo34449 - ISE posture dropped via CoA due to invalid HTTP User-Agent [Trident 4.0]

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Identity Services Engine

Known Affected Releases


Description (partial)

When the client has been provisioned NAC Agent it's status is pending on ISE.

What at that time any application working on client initiates HTTP (still redirected to ISE for a provisioning) using User-Agent which is not recognized by ISE (for which operating system is not recognized) that will trigger ISE to clear that session and send Radius CoA Terminate to NAD.

Custom User-Agent in HTTP application send during posture.
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