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SSL/TLS原因secd.ldap.noServersの有効期限が切れた証明書

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環境

  • ONTAP
  • サードパーティの LDAP サーバ
  • SSL/TLS

問題

  • 既存のLDAP設定でSSL/TLSを有効にすると 、LDAPサーバへの接続に失敗したためにストレージへのアクセスが影響を受ける可能性があります
  • EMS ログ:

secd.ldap.noServers: None of the LDAP servers configured for Vserver (VS1) are currently accessible via the network for LDAP service type (Service: LDAP (Active Directory), Operation: SiteDiscovery).

secd.ldap.noServers: None of the LDAP servers configured for Vserver (VS1) are currently accessible via the network for LDAP service type (Service: LDAP (Active Directory), Operation: MapNetbiosDomainToADDomain).

  • SecDログ:
 error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed
 RESULT_ERROR_LDAPSERVER_SERVER_DOWN:7642
 LDAP TLS Alert generated is 'fatal:decrypt error'
 error:0407006A:rsa routines:RSA_padding_check_PKCS1_type_1:block type is not 01
 RESULT_ERROR_LDAPSERVER_CONNECT_ERROR:7652 

secd: secd.unexpectedFailure:debug]: vserver (VSERVER) Unexpected failure.
Error: Get DC Info procedure failed CIFS Domain Query via LSAR_DS_ROLE_GET_DOMAIN_INFO - Client Ip = X.X.X.X
User = DOMAIN\USER   ...    
[   236] Successfully connected to ip X.X.X.X, port 389 using TCP  
[   377] Unable to start TLS: Connect error  
[   377]   Additional info: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed (certificate has expired)  
...

  • SecDログエントリには、想定される 証明書の件名が含まれます。

00000013.0022c89e 01eab99b Mon Apr 06 2020 14:31:44 +01:00 [kern_secd:info:14641] | [000.499.972]  info :  Required certificate with <CANAME> is not installed { in VerifyCertificateRevocationViaOSCP() at src/connection_manager/secd_connection.cpp:1667 }

  • 有効期限は、CLIコマンドで有効期限を示します。  ::> security certificate show
  • パケットトレースは、クライアントによって提供された完全な証明書チェーンを示すことができる

LDAPサーバの例:2つの証明書で構成される証明書チェーン

  • 1つは、ホスト自体の証明書(LDAPserverhostname発行者CAによって発行されたもの)です。
  • その他、 中間証明書(ルートCAによって発行された発行者CA

Transport Layer Security
    TLSv1.2 Record Layer: Handshake Protocol: Multiple Handshake Messages
        Content Type: Handshake (22)
        Version: TLS 1.2 (0x0303)
        Length: 2911
        Handshake Protocol: Server Hello
        Handshake Protocol: Certificate
            Handshake Type: Certificate (11)
            Length: 2587
            Certificates Length: 2584
            Certificates (2584 bytes)
                Certificate Length: 1208
                Certificate: 308204b43082039ca0030201020213160000802cf3c5747b… (id-at-commonName=LDAPserverhostname)
                    signedCertificate
                        version: v3 (2)
                        serialNumber: 0x160000802cf3c5747b5475eb2100000000802c
                        signature (sha256WithRSAEncryption)
                       issuer: rdnSequence (0)
                            rdnSequence: 3 items (id-at-commonName=Issuer CA )

                        validity
                        subject: rdnSequence (0)
                        subjectPublicKeyInfo
                        extensions: 9 items
                    algorithmIdentifier (sha256WithRSAEncryption)
                    Padding: 0
                    encrypted: d403151937a2904d0405e5fe7be043a51969650e43cc27e0…
                Certificate Length: 1370
               Certificate: 308205563082033ea00302010211114500000002578509d7… (id-at-commonName=Issuer CA )
                    signedCertificate
                        version: v3 (2)
                        serialNumber: 0x4500000002578509d77c523cae000000000002
                        signature (sha256WithRSAEncryption)
                       issuer: rdnSequence (0)
                            rdnSequence: 3 items (id-at-commonName=Root CA)

  • この例では 、のルート証明書 Root CA がインストールされている必要があります。

 

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