2024年12月21日 · HTTP headers let the client and the server pass additional information with a message in a request or response. In HTTP/1.X, a header is a case-insensitive name followed by a colon, then optional whitespace which will be ignored, and finally by …

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.

2024年9月9日 · HTTP headers are key-value pairs sent in HTTP requests and responses, providing essential information about the communication between the client and server. They include details such as content type, encoding, cache control, authentication, and more, helping manage the behavior of HTTP transactions.

1994年5月3日 · HTTP Request fields. These header lines are sent by the client in a HTTP protocol transaction. All lines are RFC822 format headers. The list of headers is terminated by an empty line.

2016年7月18日 · A request header is an HTTP header that can be used in an HTTP request to provide information about the request context, so that the server can tailor the response. For example, the Accept-* headers indicate the allowed and preferred formats of the response.

The request is sent with a first line containing the method to be applied to the object requested, the identifier of the object, and the protocol version in use, followed by further information encoded in the RFC822 header style. The format of the request is:

2022年6月20日 · HTTP headers are a means for a client, server, and any intermediaries to exchange information during the HTTP request-response process.