Windows Remote Desktop Protocol supports TLS security, which is one defensive layer to consider when hardening your Windows Server. This guide explains how to install a free Let's Encrypt TLS certificate, and configure it for Windows Remote Desktop. This guide assumes you do not have a web server running on port 80. Add a DNS **A** record for your [Windows](https://www.vultr.com/servers/windows) Server instance. This tutorial uses **myserver.example.com**. To manage the TLS certificates, you'll ......