HTTP/1.1
RFC 9112, “HTTP/1.1”, is an Internet Standard document published in June 2022 by R. Fielding, M. Nottingham, J. Reschke. It obsoletes RFC 7230. It has since been updated by RFC 9931. The canonical text is published by the RFC Editor.
Abstract
The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document specifies the HTTP/1.1 message syntax, message parsing, connection management, and related security concerns.
This document obsoletes portions of RFC 7230.
What “Internet Standard” means
A mature, widely-implemented specification that has completed the full IETF standards process — the highest maturity level on the standards track.
The canonical text of RFC 9112 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
- RFC 9111 HTTP Caching
- RFC 9113 HTTP/2
- RFC 9110 HTTP Semantics
- RFC 9114 HTTP/3
- RFC 9116 A File Format to Aid in Security Vulnerability Disclosure
- RFC 9124 A Manifest Information Model for Firmware Updates in Internet of Things Devices
- RFC 9128 YANG Data Model for Protocol Independent Multicast
- RFC 9129 YANG Data Model for the OSPF Protocol