Test RDP and SSH ConnectivityĪs of this writing in February 2020, we connect to our Azure VMs through the Bastion host only through the Azure portal. These VMs have no exposure to the public Internet. Strangely, the Azure Diagram feature doesn't show the Bastion on the AzureBastionSubnet subnet:įigure 3. Don't associate a network security group (NSG) to the VM's virtual network interface card (NIC) yetįigure 3 depicts what my virtual network looks like at this point.Be sure not to associate a public IP address to these servers.Some VM deployment notes for you to consider: Now we'll deploy two virtual machines to the target virtual network, one running Windows Server, and the other running Linux. ![]() Virtual network: Be sure to specify the correct VNet and AzureBastionSubnet subnetĬlick Create and wait for the deployment to complete.Region: Note that Bastion is currently available only in certain Azure regions keep an eye on the documentation for updates.In so doing you'll supply the following values: Next, go to the Bastions blade, click Add, and complete the Create a Bastion form. I show you my VNet subnet configuration in Figure 2.įigure 2. You must name the subnet (appropriately enough) AzureBastionSubnet, and the subnet ID must be at least /27. The most important point to keep in mind is Bastion requires its own empty, non-delegated subnet. I suggest you configure your target virtual network before you deploy the Bastion. Let's turn our attention to learning how to create and configure an Azure Bastion host. You can optionally deploy network security groups (NSGs) on both the Bastion and VM subnets if you want to include an additional security layer.The Bastion host communicates seamlessly with the VMs on your VNet, allowing both SSH and RDP connectivity.That is, you do NOT request connections with Bastion using management ports The Bastion host has a public IP address that accepts inbound traffic only on TCP 443 (HTTPS protocol). ![]() ![]()
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