![]() Windows only, you’ll need another solution for Linux targetsįor Linux a lot of people just went and deployed a hardened Linux VM and then used the local ssh client to jump via a jumphost to the desired target.it’s not easy to automate end to end, including all the policies and things like MFA.most people will recommend joining the RDS Gateway to a domain, that’s usually a con for me. ![]() including patching, responding to failures / outages etc.you need to manage a VM (or multiple VMs).Most of this sounds great, however, here are my cons: It can even enforce things like Multi Factor Authentication (MFA). In the Windows world everybody most likely is familiar with Remote Desktop Services (RDS) Gateway which is the entrypoint to the network, allows secure communications and every target server (Windows only) behind the RDS Gateway can be configured to only accept inbound connections from the RDS Gateway, forcing everybody to go through this “secured” channel. The better solution is to deploy gateway or proxy servers, also known as jumpboxes or bastion hosts. This is impractical, overcomplicates routing, is insecure and what does “internal network” in the public cloud mean anyways?! Jumpboxes or Bastion Hosts However, that, without any other configuration, means that all VMs need to allow remote access via either RDP (port 3389) or SSH (port 22) inbound from the whole internal network. If you’re inside the network authenticated via whatever means then you’re good to access any VM. So how do we then access Virtual Machines? VPNĪ common pattern is to trust whoever comes in via a VPN. There are almost no reasons why Virtual Machines should be directly exposed to the internet with a public IP. 3 minutes read Azure Bastion Service for RDP and SSH Access to Virtual MachinesĪ very common problem to solve in the public cloud is secure access to Virtual Machines (VM).
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