Document Name: RFC 7231
Document URI: urn:ietf:rfc:7231
Online Version: https://datatracker.ietf.org/doc/html/rfc7231
Organization: Internet Engineering Task Force (IETF)
Series: Request for Comments (RFC)
Abstract: The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. This document defines the semantics of HTTP/1.1 messages as expressed by request methods, request header fields, response status codes, and response header fields, along with the payload of messages (metadata and body content) and mechanisms for content negotiation.


Specified Web Concepts:

HTTP Content Codings

identity

HTTP Header Fields

Accept , Accept-Charset , Accept-Encoding , Accept-Language , Allow , Content-Encoding , Content-Language , Content-Location , Content-Type , Date , Expect , From , Location , MIME-Version , Max-Forwards , Referer , Retry-After , Server , User-Agent , Vary

HTTP Request Methods

CONNECT , DELETE , GET , HEAD , OPTIONS , POST , PUT , TRACE

HTTP Status Codes

100 , 101 , 200 , 201 , 202 , 203 , 204 , 205 , 300 , 301 , 302 , 303 , 305 , 306 , 307 , 400 , 402 , 403 , 404 , 405 , 406 , 408 , 409 , 410 , 411 , 413 , 414 , 415 , 417 , 426 , 500 , 501 , 502 , 503 , 504 , 505

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