HTTP Response

External

• RFC 2616 Section 6 Response https://www.w3.org/Protocols/rfc2616/rfc2616-sec6.html

Internal

• HTTP
• HTTP Request

Overview

A HTTP response consists of a status line, followed by an optional set of headers, followed by blank line followed by an optional message body.

This is a simple example:

HTTP/1.1 200 OK
Content-Type: text/html
HttpServer: Test Server
Content-Length: 1024

...
...

The Response Status Line

The status line starts with the protocol version followed by a numeric status code and its associated textual phrase, with each element separated by SP characters. No CR or LF is allowed except in the final CRLF sequence.

The status line includes the status code. More about status codes: HTTP Status Codes.

The Message Body

More about HTTP response: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html.

The HTTP Response Headers

• http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
• http://en.wikipedia.org/wiki/List_of_HTTP_headers