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#Cisco ise 2.4 passive identity windows

The de-duplication is a very nice and welcome change, but it did leave a few gaps to be addressed. This relates to the step latency that is visible in the Authentication Detail report.

Long Processing Step Threshold Interval. Detects and logs NAS retransmission timeouts for authentication steps that exceed this threshold.

Stops sending accounting logs for the same session during this configured interval.

Suppress Repeated Successful. Applies the de-duplication and suppresses the logs from MnT.

That log is sent at the "Reporting Interval" listed above.īelow the horizontal line, you will notice the ability to de-duplicate successful authentications.

Reject Requests After Detection. Once the endpoint is in the reject interval, any requests with the same Calling-Station-ID (Mac-Address), NAD (NAS-IP-Address) and Failure reason will be sent an Access-Reject, and the counter will increment by 1 + timestamp.

Note: A successful authentication will clear all flags.

Request Rejection Interval stops sending logs for repeat authentication failures for the same endpoint during the rejection interval (Suppresses the logs).

Reporting Interval sends the alarm from the PSN to the MNT every X-Minutes.

Detection Interval will flag misbehaving supplicants when they fail authentication more than once per interval.

This saved a tremendous amount of processing and log storage, and it provides for higher scale. When bad endpoint behavior is causing millions of failed authentications a day, that is storing a LOT of log data.īeginning in ISE 1.2, ISE suppresses anomalous clients by default, only storing a single record and then logging each time that same exact record was received. Prior to ISE 1.2, every authentication request would create a 12KB log record that needed to be stored. I won't rehash all that pain here instead I will show you one of the things we did at the RADIUS server (ISE) side to help alleviate wasting log storage/scale on poorly behaving endpoints.

We've even added functionality to TEAP (RFC-7170) to help with that behavior by delivering the list of server certificates to trust down to the supplicant. You may have read my post on why to use Wildcard/WildSAN certificates to alleviate the painful symptom of bad endpoint behavior. Many of you have also heard me rant about endpoint supplicants and how they behave. Wolandįigure 1 - Debug Endpoint Tool De-duplication and anomalous endpoint suppression (1.2+) This is incredibly elegant, and it helps advanced admins and TAC engineers greatly reduce time to resolution when experiencing an issue.

It prevents you from having to enable debug on the components themselves for all endpoints, and it focuses the debug instead. So, if an endpoint is getting profiled in the East-Coast DC and the West-Coast DC at the same time, all of that will still show up in the single, consolidated debug file. The Per Endpoint Debug feature was added in ISE 1.3, and it provides a single debug file for all components (RADIUS, Guest, Profiling, etc.) for a specific endpoint across it's entire session-across the entire deployment! ISE is not just a single product it is a solution with many moving parts, and each of those parts may have different logs that you or TAC may have to sift through. If OP has similar access requirements, ISE would not be a good source for the Palo's to verify user-id to IP mappings.This is one of my favorite serviceability features that added, and arguable one of the most usable. Our one caveat is that we have access to servers that do not use dot1x, so it's possible for a user-id to exist on multiple servers simultaneously with some not participating in dot1x. We are using this same type of separation between Authentication and Authorization with great success. Since we are specifically using AD Groups in the Service Policies for Authorization and not Authentication, this might be a good option.

#Cisco ise 2.4 passive identity windows

I would add that Palo does offer a stand alone application that runs on a domain joined server and can keep track of user-id to IP mappings through the windows domain.

Maybe the difference is I'm talking about using User Groups as a Role Based Access Control which isn't Security log based? If the dot1x solution relies on user credititials authenticating against AD, isn't that technically doing exactly what you are talking about? I'd like to understand your answer better.

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