what is 503 service

If a request is made to your server to display a webpage on your site (for example, when a user accesses your page through a browser or when Googlebot crawls the page), your server returns an HTTP status code in response to the request.This status

In fact, Ajax has been in use for a long time, but it has never been time to look for the book system seriously. It has been quite time-consuming recently. This series is based on the combination of Ajax and PHP, mainly to share experiences with

The format of the HTTP request and HTTP response message is similar, with the following structure: Initial status line + carriage return newline character (carriage return + line feed) 0 or more header lines + carriage return line break A

Article Title: analyze the HTTP server status code. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1.1

When a viewer accesses a webpage, the browser of the viewer makes a request to the server where the page is located. When a Web page is received and displayed by the browser, the server on which the page resides returns a message header (server

---restore content starts---As described in Mr. Pengwuchen's PHP (PHP tutorial) BIBLE, the header can send a status header, such asHeader ("status:404 not Found");?>Can let the user browser appear the file cannot find the 404 error, but I tried this

The response response object mainly passes the result of the JSP container processing back to the client. You can set the state of HTTP through the response variable and send data to the client, such as cookies, HTTP file header information, and so

Description of custom HTTP status codes of cloudmonitor and custom statuses of cloudmonitor When you use site monitoring, the returned 6XX status codes are all custom HTTP status codes of cloudmonitor. The meanings are shown in the following table:

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, RFC 4918, and other

Reference is from RFC 2616 and is extended by RFC 2518, RFC 2817, RFC 2295, RFC 2774, RFC 4918, and other specifications. The red word represents a few of the more common status CODE "Continue": "101": Switching protocols "102": Processing

Small North here marked a number of status code, Hey, is someone else's thing, I'm afraid he blog suddenly shut down these things no, hey, the original poked here201-206 indicates that the server successfully processed the status code of the request,

Http response status code (transfer) and response code Http status return code 1xx (temporary response)Status Code indicating a temporary response and requiring the requester to continue the operation. Http status return code: Code Description100

HTTP status code and status code Refer to blog: HTTP status code details 1 ** (Information Class): Receives the request and continues processing. 100 Continue The initial request has been accepted, and the customer

[Http] the http method, status code, and composition.Http (Hypertext Transfer Protocol) HyperText Transfer Protocol (Hyper Text Transfer Protocol) is a Transfer Protocol used to Transfer HyperText from a WWW server to a local browser. It makes the

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An error may occur when the browser requests a service from the Web server.It is possible to return the following series of status messages:1xx: Information message: Description: Continue The server only

HTTP protocol As a web developer, it is necessary to understand the knowledge of some HTTP protocols. This article simply introduces the knowledge of the HTTP protocol, if there is a wrong place, I hope you correct. What is the 1.HTTP

the meaning of the HTTP Protocol status code is mainly divided into five categories , which are generally :~~~~~~~~~~~~~~~~~~~~~~~~~~~~1xx reserved 2xx indicates that the request was successfully received by 3xx Request further refinement of

1XX: Information message Description Continue The server only receives partial requests, but once the server does not reject the request, the client should continue to send the remaining requests.

Status Code reason Phrases representative meaning HTTP version Message response 100 ContinueContinue to The client should continue to send the request. This temporary response is used to