when the HTTP protocol communicates, the server side returns the status Code interpretation (response) After the client sends the request (requests)HTTP status Code1**: Request received, continue processing2**: Successful operation received, analysis, acceptance3**: Complete this request must be further processed 301, 302, 3044**: The request contains an error syntax or cannot be completed 403, 4045**: The server performs a fully valid request failure 502 100--customer must continue to make a request101--client requires server to convert HTTP protocol version on request
200--Trading Success201--prompt to know the URL of the new file202--accepted and processed, but processing not completed203--return information is indeterminate or incomplete204--request received, but return information is empty205--The server has completed the request, the user agent must reset the files that are currently viewed206--Server has completed a partial user's GET request300--requested resources can be obtained in multiple places301--Delete request data
302--found request data #url-rewrite address redirect at other addresses303--advising customers to access other URLs or access methods
The 304--client has performed a get, but the file has not changed #读取缓存 CTRL+F5 brush off the local cache and get the resources from the server againthe resource requested by 305--must be obtained from the address specified by the server306--code used in previous versions of HTTP, no longer used in the current version307--declaring the requested resource temporary deletion400--error requests, such as syntax errors
401--Request Authorization failed402--reserved valid Chargeto header response
403--request not allowed
404--No files, queries, or URLs found405--the method defined by the user in the Request-line field does not allow406--request resource is inaccessible based on accept drag sent by user407--Similar to 401, the user must first be authorized on the proxy server408--Client does not complete the request within the user-specified time of starvation409--The current resource state, the request cannot be completedThis resource is no longer available on the 410--server and has no further reference address411--server rejects user-defined Content-length property requests412--One or more request header fields are incorrect in the current request413--The requested resource is greater than the size allowed by the server414--The requested resource URL is longer than the length allowed by the server415--requesting a resource does not support requesting an item formatThe 416--request contains a range request header field that does not have a range indication value within the current request resource, requestingalso does not contain the If-range request header field417--Server does not meet the expected value specified by the request Expect header field, if it is a proxy server, it may be the nextA primary server does not meet the request
500--server generates internal error501--Server does not support the requested function
502--Server is temporarily unavailable, sometimes to prevent system overloads503--server overload or pause repair504--Gateway overload, Server uses another gateway or service to respond to users, waiting time setting value is longer505--Server does not support or deny the HTTP version specified in the request header==========================================================English version:100:continue101:switching Protocols102:processing200:ok201:created202:accepted203:non-authoriative Information204:no Content205:reset Content206:partial Content207:multi-status300:multiple Choices301:moved Permanently302:found303:see Other304:not Modified305:use Proxy306: (Unused)307:temporary Redirect400:bad Request401:unauthorized402:payment granted403:forbidden404:file not Found405:method not allowed406:not Acceptable407:proxy Authentication Required408:request time-out409:conflict410:gone411:length Required412:precondition Failed413:request Entity Too Large414:request-uri Too Large415:unsupported Media Type416:requested Range not satisfiable417:expectation Failed422:unprocessable Entity423:locked424:failed Dependency500:internal Server Error501:not implemented502:bad Gateway503:service unavailable504:gateway Timeout505:http Version not supported507:insufficient Storage Learning: http://blog.csdn.net/dreamcode/article/details/4130164
HTTP Header Return Code analysis
