Accept |
Specify what types of content the client can receive |
Accept:text/plain, text/html |
Accept-charset |
The set of character encodings that the browser can accept. |
Accept-charset:iso-8859-5 |
Accept-encoding |
Specifies the type of content compression encoding the Web server that the browser can support. |
Accept-encoding:compress, gzip |
Accept-language |
Language acceptable to the browser |
Accept-language:en,zh |
Accept-ranges |
One or more child scope fields that can request a Web page entity |
Accept-ranges:bytes |
Authorization |
Authorization Certificate for HTTP Authorization |
Authorization:basic qwxhzgrpbjpvcgvuihnlc2ftzq== |
Cache-control |
Specify the caching mechanism that the request and response follow |
Cache-control:no-cache |
Connection |
Indicates whether a persistent connection is required. (HTTP 1.1 defaults to persistent connection) |
Connection:close |
Cookies |
When an HTTP request is sent, it sends all the cookie values saved under the request domain name to the Web server. |
Cookie: $Version = 1; Skin=new; |
Content-length |
Requested length of content |
content-length:348 |
Content-type |
Requested MIME information corresponding to the entity |
content-type:application/x-www-form-urlencoded |
Date |
Date and time when the request was sent |
Date:tue Nov 08:12:31 GMT |
Expect |
The specific server behavior that is requested |
Expect:100-continue |
From |
Email from the user who made the request |
From:user@email.com |
Host |
Specify the domain name and port number of the requested server |
Host:www.zcmhi.com |
If-match |
The request content is valid only if it matches the entity |
If-match: "737060cd8c284d8af7ad3082f209582d" |
If-modified-since |
If the requested part is modified after the specified time, the request succeeds and the 304 code is returned without modification |
If-modified-since:sat Oct 19:43:31 GMT |
If-none-match |
If the content does not change returns 304 code, the parameter is the etag which the server sends previously, compares with the server response ETag to judge whether changes |
If-none-match: "737060cd8c284d8af7ad3082f209582d" |
If-range |
If the entity does not change, the server sends the missing part of the client, otherwise the entire entity is sent. Parameter also is ETag |
If-range: "737060cd8c284d8af7ad3082f209582d" |
If-unmodified-since |
Request success only if the entity has not been modified after the specified time |
If-unmodified-since:sat Oct 19:43:31 GMT |
Max-forwards |
Limit the time that information is sent through proxies and gateways |
Max-forwards:10 |
Pragma |
Used to contain implementation-specific directives |
Pragma:no-cache |
Proxy-authorization |
Authorization certificate to connect to the agent |
Proxy-authorization:basic qwxhzgrpbjpvcgvuihnlc2ftzq== |
Range |
Request only part of an entity, specify a range |
range:bytes=500-999 |
Referer |
The address of the previous page, the current request page followed, that is, the routing |
Referer:http://www.zcmhi.com/archives/71.html |
TE |
The transmission code that the client is willing to accept, and notifies the server to accept the receiving tail header information |
te:trailers,deflate;q=0.5 |
Upgrade |
Specify a transport protocol to the server for conversion by the server (if supported) |
upgrade:http/2.0, shttp/1.3, irc/6.9, rta/x11 |
User-agent |
The User-agent content contains the user information that made the request |
user-agent:mozilla/5.0 (Linux; X11) |
Via |
Notifies intermediate gateways or proxy server addresses, communication protocols |
via:1.0 Fred, 1.1 nowhere.com (apache/1.1) |
Warning |
Warning information about message entities |
warn:199 Miscellaneous Warning |