adding last descriptions.

Author: Larry

articles/machine-learning/how-to-access-azureml-behind-firewall.md

@@ -1,15 +1,15 @@
 ---
 title: Use Azure Machine Learning behind a firewall
 titleSuffix: Azure Machine Learning
-description: 'Securely use Azure Machine Learning behind Azure Firewall.'
+description: 'Securely use Azure Machine Learning behind Azure Firewall. Learn about the hosts that you must allow through the firewall for Azure Machine Learning to function correctly.'
 services: machine-learning
 ms.service: machine-learning
 ms.subservice: core
 ms.topic: conceptual
 ms.author: aashishb
 author: aashishb
 ms.reviewer: larryfr
-ms.date: 03/24/2020
+ms.date: 04/27/2020
 ---
 
 # Use Azure Machine Learning workspace behind Azure Firewall
@@ -33,14 +33,14 @@ The hosts in this section are owned by Microsoft, and provide services required
 
 | **Host name** | **Purpose** |
 | ---- | ---- |
-| **\*.batchai.core.windows.net** | |
-| **ml.azure.com** | |
-| **\*.azureml.ms** | |
-| **\*.experiments.azureml.net** | |
-| **\*.modelmanagement.azureml.net** | |
-| **mlworkspace.azure.ai** | |
-| **\*.aether.ms** | |
-| **\*.instances.azureml.net** | |
+| **\*.batchai.core.windows.net** | Training clusters |
+| **ml.azure.com** | Azure Machine Learning studio |
+| **\*.azureml.ms** | Used by Azure Machine Learning APIs |
+| **\*.experiments.azureml.net** | Used by experiments running in Azure Machine Learning|
+| **\*.modelmanagement.azureml.net** | Used to register and deploy models|
+| **mlworkspace.azure.ai** | Used by the Azure Portal when viewing a workspace |
+| **\*.aether.ms** | Used when running Azure Machine Learning pipelines |
+| **\*.instances.azureml.net** | Azure Machine Learning compute instances |
 | **windows.net** | Azure Blob Storage |
 | **vault.azure.net** | Azure Key Vault |
 | **microsoft.com** | Base docker images |
@@ -65,3 +65,8 @@ The hosts in this section are used to install R packages. They are required duri
 | **Host name** | **Purpose** |
 | ---- | ---- |
 | **cloud.r-project.org** | Used when installing CRAN packages. |
+
+Next steps
+
+* [[Deploy and configure Azure Firewall](../firewall/tutorial-firewall-deploy-portal.md)]
+* [Secure Azure ML experimentation and inference jobs within an Azure Virtual Network](how-to-enable-virtual-network.md)