RFC 2145 · INFORMATIONAL · 1997

Use and Interpretation of HTTP Version Numbers

Overview

RFC 2145, “Use and Interpretation of HTTP Version Numbers”, is an Informational document published in May 1997 by J. C. Mogul, R. Fielding, J. Gettys, H. Frystyk. It has been obsoleted by RFC 7230 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.

Abstract

HTTP request and response messages include an HTTP protocol version number. Some confusion exists concerning the proper use and interpretation of HTTP version numbers, and concerning interoperability of HTTP implementations of different protocol versions. This document is an attempt to clarify the situation. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.

Abstract as published in the RFC, via rfc-editor.org.

What “Informational” means

Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.

Read this RFC

The canonical text of RFC 2145 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
Obsoleted by
RFC 7230
Other RFCs from 1997

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