Unknown
Network Time 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 — Monitoring & Management
协议概览
全称
Network Time Protocol
缩写
NTP
OSI 层
Application Layer
类别
Monitoring & Management
默认端口
123
RFC
RFC 5905
关于 NTP
Protocol for clock synchronization across networks. Achieves millisecond-level accuracy using a hierarchy of time sources (strata).
Application Layer
Monitoring & Management
端口 123
标准参考
NTP定义于互联网工程任务组（IETF）发布的RFC 5905中。RFC是互联网协议的官方标准文档，可免费公开查阅。