Added Note to common traffic

Added Note to common traffic. Ref - Wei Dong 03/25

Author: sreekzz

articles/hdinsight-aks/required-outbound-traffic.md

@@ -3,7 +3,7 @@ title: Outbound traffic on HDInsight on AKS
 description: Learn required outbound traffic on HDInsight on AKS. 
 ms.service: hdinsight-aks
 ms.topic: conceptual
-ms.date: 02/27/2024
+ms.date: 03/25/2024
 ---
 
 # Required outbound traffic for HDInsight on AKS
@@ -22,10 +22,11 @@ You need to configure the following network and application security rules in yo
 
 ## Common traffic
 
+
 |Type| Destination Endpoint              | Protocol | Port | Azure Firewall Rule Type | Use |
 |----|-----------------------------------|----------|------|-----| ----|
-| ServiceTag | AzureCloud.`<Region>` | UDP      | 1194 | Network security rule| Tunneled secure communication between the nodes and the control plane.|
-| ServiceTag | AzureCloud.`<Region>` | TCP      | 9000 | Network security rule|Tunneled secure communication between the nodes and the control plane.|
+| ** ServiceTag | AzureCloud.`<Region>`   | UDP      | 1194 | Network security rule| Tunneled secure communication between the nodes and the control plane.|
+| ** ServiceTag | AzureCloud.`<Region>`   | TCP      | 9000 | Network security rule|Tunneled secure communication between the nodes and the control plane.|
 | FQDN Tag| AzureKubernetesService | HTTPS      | 443 |Application security rule| Required by AKS Service.|
 | Service Tag  | AzureMonitor | TCP      | 443 |Application security rule| Required for integration with Azure Monitor.|
 | FQDN| hiloprodrpacr00.azurecr.io|HTTPS|443|Application security rule| Downloads metadata info of the docker image for setup of HDInsight on AKS and monitoring.|
@@ -34,8 +35,10 @@ You need to configure the following network and application security rules in yo
 | FQDN|*.servicebus.windows.net|HTTPS|443|Application security rule| Monitoring.|
 | FQDN|*.table.core.windows.net|HTTPS|443|Application security rule| Monitoring.
 | FQDN|gcs.prod.monitoring.core.windows.net|HTTPS|443|Application security rule| Monitoring.|
-| FQDN|API Server FQDN (available once AKS cluster is created)|TCP|443|Network security rule| Required as the running pods/deployments use it to access the API Server. You can get this information from the AKS cluster running behind the cluster pool. For more information, see [how to get API Server FQDN](secure-traffic-by-firewall-azure-portal.md#get-aks-cluster-details-created-behind-the-cluster-pool) using Azure portal.|
+| ** FQDN|API Server FQDN (available once AKS cluster is created)|TCP|443|Network security rule| Required as the running pods/deployments use it to access the API Server. You can get this information from the AKS cluster running behind the cluster pool. For more information, see [how to get API Server FQDN](secure-traffic-by-firewall-azure-portal.md#get-aks-cluster-details-created-behind-the-cluster-pool) using Azure portal.|
 
+> [!NOTE]
+> ** This configiration is'nt required if you enable private AKS. 
 
 ## Cluster specific traffic