Certificate between IoT hub and devices connection

There are a lot of questions from partners about certificate issues during the TLS connection between IoT devices and IoT hub. So here I write this article to reveal something that you need to know when you are trying to connect your IoT devices to Azure IoT hub. IoT Hub requires all device communication to be secured using TLS/SSL (hence, IoT Hub doesn’t support non-secure connections over port 1883). The supported TLS version is TLS 1.2, TLS 1.1 and TLS 1.0, in this order. Support for TLS 1.0 is provided for backward compatibility only. It is recommended to use TLS... Read more