What port does HTTP/3 use?

HTTP/3 uses port 443 by default. The protocol is defined in RFC 9114.

Unknown

HTTP/3

Q: What is HTTP/3?

HTTP/3 (HTTP/3) is a Application Layer protocol in the Web category. Latest HTTP version running over QUIC (UDP) instead of TCP. Eliminates head-of-line blocking and reduces connection establishment latency.

Application Layer — Web

Resumen del protocolo

Nombre completo HTTP/3

Abreviatura HTTP/3

Capa OSI Application Layer

Categoría Web

Puerto predeterminado 443

RFC RFC 9114

Acerca de HTTP/3

Latest HTTP version running over QUIC (UDP) instead of TCP. Eliminates head-of-line blocking and reduces connection establishment latency.

Application Layer Web Puerto 443

Referencia de estándares

HTTP/3 está definido en RFC 9114, publicado por el Internet Engineering Task Force (IETF). Los RFC son los documentos de estándares oficiales para los protocolos de internet y están disponibles gratuitamente para revisión pública.

Protocolos relacionados — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 WS WebSocket SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3 FTP File Transfer Protocol