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When connecting from a client to HDInsight over an Azure Virtual Network, you must provide the fully qualified domain name (FQDN) of a cluster head node. Since this connection is made directly to the cluster nodes, the connection uses port `10001`:
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When you connect from a client to HDInsight over an Azure Virtual Network, you must provide the fully qualified domain name (FQDN) of a cluster head node. Since this connection is made directly to the cluster nodes, the connection uses port `10001`:
Replace `<headnode-FQDN>` with the fully qualified domain name of a cluster headnode. To find the fully qualified domain name of a headnode, use the information in the [Manage HDInsight using the Apache Ambari REST API](../hdinsight-hadoop-manage-ambari-rest-api.md#get-the-fqdn-of-cluster-nodes) document.
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Replace `<headnode-FQDN>` with the fully qualified domain name of a cluster headnode. To find the fully qualified domain name of a headnode, use the information in the [Managed HDInsight using the Apache Ambari REST API](../hdinsight-hadoop-manage-ambari-rest-api.md#get-the-fqdn-of-cluster-nodes) document.
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### To HDInsight Enterprise Security Package (ESP) cluster using Kerberos
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When connecting from a client to an Enterprise Security Package (ESP) cluster joined to Microsoft Entra Domain Services on a machine in same realm of the cluster, you must also specify the domain name `<AAD-Domain>` and the name of a domain user account with permissions to access the cluster `<username>`:
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When you connect from a client to an Enterprise Security Package (ESP) cluster joined to Microsoft Entra Domain Services on a machine in same realm of the cluster, you must also specify the domain name `<AAD-Domain>` and the name of a domain user account with permissions to access the cluster `<username>`:
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```bash
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kinit <username>
@@ -48,15 +48,15 @@ To find the JDBC URL from Ambari:
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### Over public or private endpoints
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When connecting to a cluster using the public or private endpoints, you must provide the cluster login account name (default `admin`) and password. For example, using Beeline from a client system to connect to the `clustername.azurehdinsight.net` address. This connection is made over port `443`, and is encrypted using TLS/SSL.
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When you connect to a cluster using the public or private endpoints, you must provide the cluster login account name (default `admin`) and password. For example, using Beeline from a client system to connect to the `clustername.azurehdinsight.net` address. This connection is made over port `443`, and is encrypted using TLS/SSL.
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Replace `clustername` with the name of your HDInsight cluster. Replace `admin` with the cluster login account for your cluster. For ESP clusters, use the full UPN (for example, [email protected]). Replace `password` with the password for the cluster login account.
@@ -88,7 +88,7 @@ Private endpoints point to a basic load balancer, which can only be accessed fro
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#### From cluster head node or inside Azure Virtual Network with Apache Spark
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When connecting directly from the cluster head node, or from a resource inside the same Azure Virtual Network as the HDInsight cluster, port `10002` should be used for Spark Thrift server instead of `10001`. The following example shows how to connect directly to the head node:
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When you connect directly from the cluster head node, or from a resource inside the same Azure Virtual Network as the HDInsight cluster, port `10002` should be used for Spark Thrift server instead of `10001`. The following example shows how to connect directly to the head node:
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