http status 401 request requires http authentication

I. Preface HTTP authentication is a way for Web servers to authenticate client permissions, which can provide a certain degree of security protection for Web applications. At present, some Web application projects have put forward the need to adopt

The http/1.1 standard has been a widely used and prevailing standard since its inception in 1999.Related documentsRfc2616:hypertext Transfer Protocol--http/1.1In RFC6585, the status codes 428, 429, 431, 511 are added inRFC2616 developed a series of

Some common HTTP status codes are:200– server successfully returned to Web page404– The requested page does not exist503– Service Not availableCommon HTTP status Code Daquan1XX (Temporary response)A status code that represents a temporary response

As is known to all, each HTTP response is provided with an HTTP status code, which is the code used to represent the HTTP server response status. It is defined by the RFC 2616 specification and is extended by RFC 2518, RFC 2817, RFC 2295, RFC 2774,

When a Web server responds to a request from a browser or other client, its answer generally consists of the following parts: A status row, several replies Header, a blank line, content document. Here is one of the simplest answers: The status

No authentication method After a correct client request is sent to the server, the HTTP server returns the 200 status code and directly returns the content. Message example: Request: Get. http: // 10.127.194.3: 8061/voiceobjects ..... Return

When requesting remote files in Ajax or checking whether the remote files are out of chain, you need to know the Status feedback from the remote server to determine whether the files exist or not.Of course, when we browse webpages, we will also find

HTTP status Code editing The HTTP status code is a 3-bit numeric code that represents the HTTP response status of the Web server. It is defined by the RFC 2616 specification and is extended by RFC 2518, RFC 2817, RFC 2295, RFC 2774,

Definition 　　HTTP status codeHTTP status code is a three-digit code used to indicate the HTTP response status of the Web server. It is defined by the RFC 2616 specification and has been extended by specifications such as RFC 2518, RFC 2817, RFC 2295,

HTTP status code parsing and http status Parsing Reference: http://tool.oschina.net/commons? Type = 5 Status Code Description 100 The client should continue sending requests. This temporary response is used to notify