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Many secd.rpc.authRequest.blocked alerts after upgrading to 9.12.1 or later

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ontap-9
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Applies to

  • ONTAP 9.12.1 or later
  • CIFS/SMB

Issue

  •  ONTAP 9.12.1 or later EMS reports secd.rpc.authRequest.blocked.

secd: secd.rpc.authRequest.blocked:alert]: Too many CIFS authentication attempts with wrong password from client "x.x.x.x" on Vserver "svm1"

  • After the above event occurs, a large number of secd.cifsAuth.problem are logged. 

secd: secd.cifsAuth.problem:error: vserver (svm1) General CIFS authentication problem. Error: User authentication procedure failed CIFS SMB2 Share mapping - Client Ip = x.x.x.x **[     0] FAILURE: CIFS authentication failed

  • The error "Client (IP: x.x.x.x) blocked due to continuous attempts with wrong password" is logged in secd.log 

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