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HTTP. HTTP header fields are a list of strings sent and received by both the client program and server on every HTTP request and response. These headers are usually invisible to the end-user and are only processed or logged by the server and client applications. They define how information sent/received through the connection are encoded (as in ...
The MIME standard defines various multipart-message subtypes, which specify the nature of the message parts and their relationship to one another. The subtype is specified in the Content-Type header field of the overall message. For example, a multipart MIME message using the digest subtype would have its Content-Type set as "multipart/digest".
HTTP message. The request/response message consists of the following: Request line, such as GET /logo.gif HTTP/1.1 or Status line, such as HTTP/1.1 200 OK, Headers. An empty line. Optional HTTP message body data. The request/status line and headers must all end with <CR><LF> (that is, a carriage return followed by a line feed ).
A media type consists of a type and a subtype, which is further structured into a tree. A media type can optionally define a suffix and parameters : mime-type = type "/" [tree "."] subtype ["+" suffix]* [";" parameter]; As an example, an HTML file might be designated text/html; charset=UTF-8. In this example, text is the type, html is the ...
HTTP ( Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. [1] HTTP is the foundation of data communication for the World Wide Web, where hypertext documents include hyperlinks to other resources that the user can easily access, for ...
Multiple HTTP headers are often supplied together for content format or, specifically media type, language and a few other aspects of a resource. In addition to the commonly used Accept header for Media Type, the Accept-Language header for language negotiation, RFC 7231 also describes Accept-Charset & Accept-Encodings for character encodings ...
User-Agent header. In computing, the User-Agent header is an HTTP header intended to identify the user agent responsible for making a given HTTP request. Whereas the character sequence User-Agent comprises the name of the header itself, the header value that a given user agent uses to identify itself is colloquially known as its user agent ...
Chunked transfer encoding. Chunked transfer encoding is a streaming data transfer mechanism available in Hypertext Transfer Protocol (HTTP) version 1.1, defined in RFC 9112 ยง7.1. In chunked transfer encoding, the data stream is divided into a series of non-overlapping "chunks". The chunks are sent out and received independently of one another.