This is often due to protocol vulnerabilities. Exposing RDP/SSH ports over the Internet isn't desired and is seen as a significant threat surface. RDP and SSH are some of the fundamental means through which you can connect to your workloads running in Azure. Specifically, Azure Bastion manages RDP/SSH connectivity to VMs created in the local or peered virtual networks. Azure Bastion is deployed to a virtual network and supports virtual network peering. This section applies to all SKU tiers except the Developer SKU, which is deployed differently. FeatureĬonnect to target VMs in same virtual networkĬonnect to target VMs in peered virtual networksĪccess Linux VM Private Keys in Azure Key Vault (AKV)įor more information about SKUs, including how to upgrade a SKU and information about the new Developer SKU (currently in Preview), see the Configuration settings article. The following table shows features and corresponding SKUs. The Azure platform protects against zero-day exploits by keeping the Azure Bastion hardened and always up to date for you.Īzure Bastion offers multiple SKU tiers. Your VMs are protected against port scanning by rogue and malicious users because you don't need to expose the VMs to the internet.Īzure Bastion sits at the perimeter of your virtual network, so you don’t need to worry about hardening each of the VMs in your virtual network. No need to manage a separate bastion host on a VMĪzure Bastion is a fully managed platform PaaS service from Azure that is hardened internally to provide you secure RDP/SSH connectivity. For more information about NSGs, see Network Security Groups. This removes the hassle of managing NSGs each time you need to securely connect to your virtual machines. Because Azure Bastion connects to your virtual machines over private IP, you can configure your NSGs to allow RDP/SSH from Azure Bastion only. You don't need to apply any NSGs to the Azure Bastion subnet. No hassle of managing Network Security Groups (NSGs) You don't need a public IP address on your virtual machine. No Public IP address required on the Azure VMĪzure Bastion opens the RDP/SSH connection to your Azure VM by using the private IP address on your VM. This enables the traffic to traverse firewalls more securely. Your RDP/SSH session is over TLS on port 443. Remote Session over TLS and firewall traversal for RDP/SSHĪzure Bastion uses an HTML5 based web client that is automatically streamed to your local device. You can get to the RDP and SSH session directly in the Azure portal using a single-click seamless experience. The following diagram shows connections to virtual machines via a Bastion deployment that uses a Basic or Standard SKU. Using Azure Bastion protects your virtual machines from exposing RDP/SSH ports to the outside world, while still providing secure access using RDP/SSH. When you connect via Azure Bastion, your virtual machines don't need a public IP address, agent, or special client software.īastion provides secure RDP and SSH connectivity to all of the VMs in the virtual network for which it's provisioned. It provides secure and seamless RDP/SSH connectivity to your virtual machines directly over TLS from the Azure portal, or via the native SSH or RDP client already installed on your local computer. Azure Bastion is a fully managed PaaS service that you provision to securely connect to virtual machines via private IP address.
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