You don’t need to apply any NSGs on Azure Bastion subnet. No hassle of managing NSGs: Azure Bastion is a fully managed platform PaaS service from Azure that is hardened internally to provide you secure RDP/SSH connectivity.You don’t need a public IP on your virtual machine. No Public IP required on the Azure VM: Azure Bastion opens the RDP/SSH connection to your Azure virtual machine using private IP on your VM.Remote Session over SSL and firewall traversal for RDP/SSH: Azure Bastion uses an HTML5 based web client that is automatically streamed to your local device, so that you get your RDP/SSH session over SSL on port 443 enabling you to traverse corporate firewalls securely.So the connection is first secured with MFA via login to the Azure portal and then traffic is secured over HTTPS using HTML 5. However, you do not connect directly to the Jump Box, instead you first login to the Azure prtal, prefabbly using MFA (Multi Factor Authentication) you then choose the VM and click connect with Bastoin, the connectoin to that VM is then initiated over a secure HTML 5 with HTTPS channel via the browser. Once deployed it allows either RDP or SSH access to Azure Vm’s in the same Vnet. Now, in reality a regular jump box is really not that secure, as you are exposing a resource that has access to internal resources.Īzure Bastion however is sightly different and way more secure. A jump box for those not familiar with the term is a VM that allows external users to access it and from there they can “jump” to internal VM’s. In a nutshell it’s a jump box as service. Microsoft recently announced a new service named Azure Bastion.
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