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Windows DCがイベントID 3039を報告し、「AD LDAP接続のチャネルバインドを試行」が有効になっている

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ontap-9
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nas
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環境

  • ONTAP 9.x
  • CIFS
  • LDAPSまたは START-TLS

問題

  • ONTAP 9 10.1以降では、AD-LDAP over TLSのチャネルバインディングのサポートが導入されました。
  • [Try Channel Binding for AD LDAP Connections]は デフォルトで有効になっています。
cluster1::> cifs security show -vserver svm1

Vserver: svm1

               Kerberos Clock Skew:           - minutes
               Kerberos Ticket Age:           - hours
              Kerberos Renewal Age:           - days
              Kerberos KDC Timeout:           - seconds
               Is Signing Required:           -
         Is Password Complexity Required:           -
      Use start_tls for AD LDAP connection:         false
            Is AES Encryption Enabled:         false
             LM Compatibility Level:  lm-ntlm-ntlmv2-krb
           Is SMB Encryption Required:           -
             Client Session Security:         none
         SMB1 Enabled for DC Connections:         false
         SMB2 Enabled for DC Connections:    system-default
  LDAP Referral Enabled For AD LDAP connections:         false
        Use LDAPS for AD LDAP connection:         true
    Encryption is required for DC Connections:         false
  AES session key enabled for NetLogon channel:         false
  Try Channel Binding For AD LDAP Connections:         true

 

  • このシナリオでは、チャネルバインディングが有効になっていても、Windows DCはイベントID 3039を報告します。
The following client performed an LDAP bind over SSL/TLS and failed the LDAP channel binding token validation.

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