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SVM で AES 暗号化を有効にすると、 CIFS アクセスが失われます

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Category:
ontap-9
Specialty:
cifs
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に適用されます

  • ONTAP 9
  • CIFS
  • Advanced Encryption Standard ( AES )

問題

  • -is-aes-encryption-enabled コマンドを使用して cifs security modify有効にすると、 SVM の CIFS アクセスが失われます
  • SVM のマシンアカウントのパスワードを変更しようとすると、次のエラーで失敗します。

ontap95::> cifs password-change -vserver <SVM>
Error: command failed: Password update failed. Reason: Kerberos Error: Invalid credentials were given.

  • 以下 -is-aes-encryption-enabled のエラーで、安藤さんが無効にしようとすると失敗します :

ontap95::> cifs security modify -vserver <SVM> -is-aes-encryption-enabled false
Info: In order to disable CIFS AES encryption, the password for the CIFS server machine account must be reset. Enter the username and password for the CIFS domain "DOMAIN.LOCAL".
Enter your user ID: test123
Enter your password:
Error: command failed: Password update failed. Reason: SecD Error: no server available.

  • SecD のログに 以下のエラーが表示されます

[kern_secd:info:12647] .------------------------------------------------------------------------------.
[kern_secd:info:12647] | RPC FAILURE: |
[kern_secd:info:12647] | secd_rpc_ad_change_password has failed |
[kern_secd:info:12647] | Result = 0, RPC Result = 7525 |
[kern_secd:info:12647] | RPC received at Tue Sep 8 17:58:24 2020 |
[kern_secd:info:12647] |------------------------------------------------------------------------------'
[kern_secd:info:12647] Failure Summary:
[kern_secd:info:12647] Error: CIFS server password change procedure failed
[kern_secd:info:12647] [ 1 ms] Successfully connected to ip 10.216.36.39, port 88 using TCP
[kern_secd:info:12647] [ 2] Successfully connected to ip 10.216.36.39, port 88 using TCP
[kern_secd:info:12647] **[ 5] FAILURE: CIFS server could not authenticate as 'CIFS95$@DOMAIN.LOCAL': CIFS server account password does not match password stored in Active Directory (KRB5KDC_ERR_PREAUTH_FAILED)

 

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