What port does HTTP/2 use?

HTTP/2 uses port 443 by default. The protocol is defined in RFC 9113.

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HTTP/2

Q: What is HTTP/2?

HTTP/2 (HTTP/2) is a Application Layer protocol in the Web category. Major revision of HTTP with binary framing, multiplexed streams, header compression (HPACK), and server push for faster page loads.

Application Layer — Web

协议概览

全称 HTTP/2

缩写 HTTP/2

OSI 层 Application Layer

类别 Web

默认端口 443

RFC RFC 9113

关于 HTTP/2

Major revision of HTTP with binary framing, multiplexed streams, header compression (HPACK), and server push for faster page loads.

Application Layer Web 端口 443

标准参考

HTTP/2定义于互联网工程任务组（IETF）发布的RFC 9113中。RFC是互联网协议的官方标准文档，可免费公开查阅。

HTTP/2

协议概览

关于 HTTP/2

标准参考

相关协议 — Application Layer