Ibm Tivoli and Cisco Bedienungsanleitung PDF herunterladen (Seite 486)

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468 Building a Network Access Control Solution with IBM Tivoli and Cisco Systems

– Remediation handler:

• Since semaphore is -1, PopUp Remediation Interface.

• User can click Fix Now for autoremediation.

• Runs compliance scan. In this case no violations are found, so set

semaphore to 1.

– User clicks Next.

– NAC Appliance now finds Security Compliance Manager Client running

and semaphore=1, so admit client.

򐂰 Scenario 6 - post-admission, Security Compliance Manager running,

noncompliant client

– In this case, the semaphore starts as 1 since we have been admitted.

– Windows Scheduler or cron job runs statuscheck.exe.

– Statuscheck.exe:

• Requests rescan from Security Compliance Manager Client

– Security Compliance Manager Client:

• Runs compliance validation. In this case, violations are found and

semaphore equals 1, so set it to 0.

• Since violations are found, instructs client to run remediation handler.

– Remediation handler:

• Since semaphore is 0, call NAC Appliance Kick User API.

•Exit.

– NAC Appliance restarts the admission process.

– Client is now in same state as state #5.

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