![]() ![]() If the request body is large, sending it to a server when a request has already been rejected based upon inappropriate headers is inefficient. This means that the server has received the request headers, and that the client should proceed to send the request body (in the case of a request for which a body needs to be sent for example, a POST request). See section 8.2.3 for detailed discussion of the use and handling of this status code. The server MUST send a final response after the request has been completed. The client SHOULD continue by sending the remainder of the request or, if the request has already been completed, ignore this response. This interim response is used to inform the client that the initial part of the request has been received and has not yet been rejected by the server. The client SHOULD continue with its request. ![]() Since HTTP/1.0 did not define any 1xx status codes, servers must not send a 1xx response to an HTTP/1.0 client except under experimental conditions. ![]() This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is terminated by an empty line. (For example, if a proxy adds a "Expect: 100-continue" field when it forwards a request, then it need not forward the corresponding 100 (Continue) response(s).) Wikipedia Proxies MUST forward 1xx responses, unless the connection between the proxy and its client has been closed, or unless the proxy itself requested the generation of the 1xx response. Unexpected 1xx status responses MAY be ignored by a user agent. Since HTTP/1.0 did not define any 1xx status codes, servers MUST NOT send a 1xx response to an HTTP/1.0 client except under experimental conditions.Ī client MUST be prepared to accept one or more 1xx status responses prior to a regular response, even if the client does not expect a 100 (Continue) status message. There are no required headers for this class of status code. ![]()
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