:1900
(UDP)
High 风险
SSDP / UPnP
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.
UDP — System & Infrastructure
端口概览
端口号
1900
服务名称
SSDP / UPnP
传输协议
UDP
类别
System & Infrastructure
安全风险
High
端口范围
已注册 (1024-49151)
什么是端口 1900?
Port 1900 is used by Simple Service Discovery Protocol (SSDP), the foundation for Universal Plug and Play (UPnP) device discovery. Smart TVs, routers, game consoles, and IoT devices use SSDP to advertise and discover services on local networks. This port has been exploited for amplification DDoS attacks when exposed to the internet.
UDP
System & Infrastructure
常用
安全注意事项
端口1900(SSDP / UPnP)被归类为高风险。此端口是自动扫描和暴力破解攻击的常见目标。如必须暴露,请将访问限制为已知IP地址。
建议:使用防火墙规则将可信IP列入白名单。启用速率限制和入侵检测。