On the Azure virtual machine, no public IP is required.įollowing are the key feature of Azure Bastion Service:.The SSH or RDP session opens in the browser, with a single click.The virtual machine to connect to is selected by the user.Any HTML5 browser can be used by the user to connect to the Azure portal.In the virtual network, the Bastion Host is deployed.The above figure shows the architecture of the deployment of an Azure Bastion. RDP and SSH connectivity to the workloads sitting behind the Bastion as well as further inside the network is also provided by Bastion servers. Bastion host servers withstand attacks as they are designed and configured as such. These are also known as jump-servers at the public side of your perimeter network to contain this threat surface. This happens often due to protocol vulnerabilities. Exposing SSH or RDP over the internet is seen as a significant threat surface and is completely not desired. The SSH or RDP experience is available to all your virtual machines in the same virtual network, once you provision an Azure Bastion service in it.īy using fundamental means such as SSH or RDP, you can connect to your workloads running in Azure. The deployment of Azure Bastion is per virtual network and not per account or subscription or virtual machine. The architecture of Azure Bastion Service This limits the threats such as port scanning and other types of malware targeting your virtual machine. It creates a private virtual network that is safer and restricts giving any access to remote machines. The major reason behind using Azure Bastion is that it makes remote connections more secure. As a result, your virtual machines are protected from exposing SSH or RDP ports to the outside world in spite of providing access using SSH or RDP. SSH and RDP connectivity are provided to all the virtual machines in the virtual network in which Bastion is provisioned (when you connect via Azure Bastion). Your virtual machines do not need a public IP address, special client software, or an agent when you connect via Azure Bastion. These are configured by the virtual machine and is a public IP that is exposed to the world. In an RDP connection, a client machine usually uses an IP and login credentials to connect and login to the virtual machine. This is because it is a Platform as a Service (PaaS) of Azure. It provides a seamless and secure SSH or RDP connectivity directly from the Azure portal over Transport Layer Security(TLS). To connect to the machine, VPN uses a public IP on a remote machine.Īzure Bastion allows you to connect to an Azure virtual machine by using your browser. But you need to install a VPN client application on a machine in most VPNs. To provide secure connectivity between a remote virtual machine or a remote server and a client machine, Virtual Private Network (VPN) is used. The architecture of Azure Bastion Service.In this post, you will learn about Azure Bastion and the purpose of using it to connect to your Azure Virtual Machine. You can select Connect option in Settings to see the three ways to connect to your Virtual Machine- SSH, BASTION, and RDP. We can also use RDP and SSH to access virtual machines in a cloud such as Azure. Virtual machines and servers are remotely accessed using RDP and SSH. Most of you might be familiar with RDP and SSH if you manage a remote server or virtual machine.
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