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  2. List of HTTP header fields - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_header_fields

    The transfer encodings the user agent is willing to accept: the same values as for the response header field Transfer-Encoding can be used, plus the "trailers" value (related to the "chunked" transfer method) to notify the server it expects to receive additional fields in the trailer after the last, zero-sized, chunk.

  3. POST (HTTP) - Wikipedia

    en.wikipedia.org/wiki/POST_(HTTP)

    In computing, POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts the data enclosed in the body of the request message, most likely for storing it. [1] It is often used when uploading a file or when submitting a completed web form.

  4. HTTP message body - Wikipedia

    en.wikipedia.org/wiki/HTTP_message_body

    The request/status line and headers must all end with <CR><LF> (that is, a carriage return followed by a line feed). The empty line must consist of only <CR><LF> and no other whitespace . The "optional HTTP message body data" is what this article defines.

  5. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    For example, a POST request should be repeated using another POST request. 308 Permanent Redirect This and all future requests should be directed to the given URI. 308 parallels the behavior of 301, but does not allow the HTTP method to change. So, for example, submitting a form to a permanently redirected resource may continue smoothly.

  6. PATCH (HTTP) - Wikipedia

    en.wikipedia.org/wiki/PATCH_(HTTP)

    The POST method can be used for sending partial updates to a resource. The main difference between the POST and PATCH methods is that the POST method can be used only when it is written to support the applications or the applications support its semantics whereas the PATCH method can be used in a generic way and does not require application ...

  7. HTTP - Wikipedia

    en.wikipedia.org/wiki/HTTP

    Each response header field has a defined meaning which can be further refined by the semantics of the request method or response status code. HTTP/1.1 example of request / response transaction Below is a sample HTTP transaction between an HTTP/1.1 client and an HTTP/1.1 server running on www.example.com , port 80.

  8. Byte serving - Wikipedia

    en.wikipedia.org/wiki/Byte_serving

    A client then requests a specific part of a file from the server using the Range request header. If the range is valid, the server sends it to the client with a 206 Partial Content status code and a Content-Range header listing the range sent. If the range is invalid, the server responds with a 416 Requested Range Not Satisfiable status code. [3]

  9. HTTP ETag - Wikipedia

    en.wikipedia.org/wiki/HTTP_ETag

    Common methods of ETag generation include using a collision-resistant hash function of the resource's content, a hash of the last modification timestamp, or even just a revision number. In order to avoid the use of stale cache data, methods used to generate ETags should guarantee (as much as is practical) that each ETag is unique.