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Windows DCでは、イベントID 3039(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ことが報告されます

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cifs<a>2009150965</a>
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環境

  • ONTAP 9.x
  • CIFS
  • LDAPSまたはstart-TLSです

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がサポートされるようになりました
  • AD LDAP接続のチャネルバインドの試行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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