Unknown
Constrained Application Protocol
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://ipfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://ipfyi.com/entity//
Add a dynamic SVG badge to your README or docs.
[](https://ipfyi.com/entity//)
Use the native HTML custom element.
Application Layer — IoT & Embedded
协议概览
全称
Constrained Application Protocol
缩写
CoAP
OSI 层
Application Layer
类别
IoT & Embedded
默认端口
5683
RFC
RFC 7252
关于 CoAP
Lightweight RESTful protocol designed for constrained IoT devices and low-power networks. Uses UDP with optional reliability, observe notifications, and DTLS security.
Application Layer
IoT & Embedded
端口 5683
标准参考
CoAP定义于互联网工程任务组(IETF)发布的RFC 7252中。RFC是互联网协议的官方标准文档,可免费公开查阅。