# 物聯網安全-筆記 ## HTTP(Hypertext Transfer Protocol) ![](https://i.imgur.com/Vnrxftv.png) HTTP 概述 >超文本傳輸協議 >Hyper -> 太多,或比平時更多或更多 >Web的應用層協議 >客戶端(client)/服務器模型(server model) >client:請求、接收和顯示對象的瀏覽器 >server:Web服務器響應請求發送對象 ![](https://i.imgur.com/I2i4aYu.png) ![](https://i.imgur.com/JDjvwxB.png) --- ## Request Method ![](https://i.imgur.com/edYK8ad.png) ![](https://i.imgur.com/LQQoxMt.png) ---- ## MQTT(Message Queuing Telemetry Transport) ### MQTT Property ![](https://i.imgur.com/wSsUa12.png) ### MQTT architecture ![](https://i.imgur.com/tT4uLCW.png) #### MQTT Topic ![](https://i.imgur.com/WdYCNNX.png) #### MQTT Example ![](https://i.imgur.com/QX8RCkb.png) #### MQTT work process ![](https://i.imgur.com/mippfAR.png)