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Active IQ Wellness Incident: Many secd.rpc.authRequest.blocked alerts after upgrading to ONTAP 9.12+

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Applies to

  • ONTAP 9.12+
  • CIFS/SMB

Risk Summary

  • One or more CIFS/SMB clients get access denied due to sending a wrong password at the rate of over 30 per 1 minute.
  • ONTAP 9.12.1+ logs the EMS entry secd.rpc.authRequest.blocked and denies access from the IP for 1 minute.

Example:

secd.rpc.authRequest.blocked: Too many CIFS authentication attempts with wrong password from client "X.X.X.X" on Vserver "vserver".

 

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