If you ever worked with Network Security Groups in Azure, you know they can become rather complex. There is another benefit if you use Azure Bastion instead of a Jump Box Virtual Machine. Azure Bastion connects directly to the private IP of the Virtual Machine. That improves the overall Virtual Machine security. As the service is streaming the RDP/SSH session over TLS using port 443 (HTTPs), there are no additional firewall exceptions needed.Īnother benefit is that the Azure Virtual Machine does not need any Public IP to connect to. Azure always uses firewall traversal for RDP/SSH and a HTML 5 based web client to connect to the Virtual Machine. The next very important aspect is the Remote Session over TLS. Overview of Azure Active Directory role-based access control (RBAC) | Microsoft Docs What is Conditional Access in Azure Active Directory? | Microsoft Docs To learn more about Azure Active Directory Multi-Factor Authentication, Conditional Access and Role-Based Access Control please follow the links below.Īzure AD Multi-Factor Authentication overview | Microsoft Docs You can also limit the user to only be able to connect to the Virtual Machine using Bastions and do not do any changes in the infrastructure. When enabling these features, you can enforce users logging into the Portal using Multiple Factors of Authorization, connecting from a trusted device or IP Address. With the access of Azure Bastion via the Azure Portal, you can enhance the user experience and security by using Azure Active Directory Features like Multi-Factor Authentication and Conditional Access as well as Azure Role-Based Access Control. The largest and most beneficial use for Azure Bastion is the enhancement of security. I will now provide some information about those. Benefits and Boundaries of Azure BastionĪs a Platform service, Azure Bastion comes with great benefits but also with its boundaries. Within the next part of the post, I will provide you with more information on that topic. Azure Bastion will relay the https request directly to the RDP or SSH port of the Virtual Machine.Īzure Bastion is deployed within a Microsoft environment and represented to the customer as a single service without exposing the high available infrastructure behind the service.įrom an architecture point of view, it looks like shown below.Īzure Bastion is a great service, but it does come with its boundaries. There is also no need for special agents or client software installed on the Virtual Machine. When you use Azure Bastion, the Virtual Machine within the environment can be encapsulated and does not need any public IP and can be accessed privately. You directly connect from the Azure Portal using TLS to encrypt the traffic. With Azure Bastion, Microsoft provides a seamless and secure RDP and SSH connection directly to a Virtual Machine within the same Virtual Network or Peered Virtual Network. The Azure Bastion ServiceĪzure Bastion is a Microsoft Azure managed Platform as a Service ( PaaS) environment that is deployed inside of Virtual Network. In this article, you’ll learn how to set up and run Azure Bastion to provide the optimal level of security for your Virtual Machines. It allows connecting to Azure Virtual Machines using a secure browser like Google Chrome, Edge, or Firefox via the Azure Portal. Azure Bastion can be seen as a Jump Host or Secure Admin Station as a service.
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