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Ngxin prevents concurrency (whitelist, with proxy on the front end) Nginx has two modules to control the "quantity" and "Speed" of access. Simply put, it controls the maximum number of accesses you have at the same time and the maximum number of

(1-word head)This type of status code, on behalf of which the request has been accepted, needs to be processed. This type of response is a temporary response that contains only the status line and some optional response header information and ends

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,

HTTP RequestThe client requests access to the resource to the server by sending an HTTP request. The HTTP request consists of three parts: the request line, the message header, and the request for essay.3.1. Request LineThe request line begins with

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,

Part of hypertext Transfer Protocol--http/1.1RFC 2616 Fielding, et al.10 Status Code rule (status code definitions)This article describes the relevant rules for each status code, including the method to be followed by the corresponding status code

Network Working Group R. fieldingrequest for comments: 2616 UC runtime: 2068 J. gettyscategory: Standards track Compaq/w3cj. mogulcompaqh. frystykw3c/mitl. scheduler. leachmicrosoftt. Berners-LeeW3C/mitjune 1999 Hypertext Transfer Protocol --

Message (1-word header) edit this type of status code, which indicates that the request has been accepted and needs to be processed. This type of response is a temporary response that contains only the status line and some optional response header

　　The HTTP status code is divided into 5 categories: The representative request that begins with 1 is accepted, needs to be processed, a 2-based representation request has been successfully received, understood, and accepted by the server, and a