HTTP RFCs

HTTP, Hypertext Transfer Protocol, is a network protocol. While initially intended to retrieve HTML documents, it has since expanded to become a more general protocol for data communication.

HTTP/1.1

• RFC 7230 — Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing (June 2014)
• RFC 7231 — Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content (June 2014)
• RFC 7232 — Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests (June 2014)
• RFC 7233 — Hypertext Transfer Protocol (HTTP/1.1): Range Requests (June 2014)
• RFC 7234 — Hypertext Transfer Protocol (HTTP/1.1): Caching (June 2014)
• RFC 7235 — Hypertext Transfer Protocol (HTTP/1.1): Authentication (June 2014)
• RFC 2585 — Additional HTTP Status Codes (April 2012)

HTTP/1.1 Authentication

• RFC 7615 — HTTP Authentication-Info and Proxy-Authentication-Info Response Header Fields (September 2015)
• RFC 7616 — HTTP Digest Access Authentication (September 2015)
• RFC 7617 — The 'Basic' HTTP Authentication Scheme (September 2015)

Content-Disposition

• RFC 6266 — Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (June 2011)

HTTP/2

• RFC 7540 — Hypertext Transfer Protocol Version 2 (HTTP/2) (May 2015)
• RFC 7541 — HPACK: Header Compression for HTTP/2

QUIC

The IETF also hosts the latest QUIC specification, which is still in draft status.

Obsolete RFCs for HTTP/1.1

• RFC 2068 — Hypertext Transfer Protocol (Obsolete) (January 1997)
• RFC 2616 — Hypertext Transfer Protocol (Obsolete) (June 1999)
• RFC 2617 — HTTP Authentication: Basic and Digest Access Authentication (Obsolete) (June 1999)

HTTP/1.0

• RFC 1945 — Hypertext Transfer Protocol, HTTP/1.0 (May 1996)

See Also

The W3 also host the first documented version of HTTP, version 0.9. The only HTTP method was GET, and the response had to be an HTML page.

• HTTP V0.9 (1991)