Common http status codes: 2 opening (successful request) indicates that the status code of the request was successfully processed. 200SuccessThe server has successfully processed the request. Typically, this indicates that the server provided the
First we need to know what HTTP is.
The HTTP protocol is based on the request/response paradigm. After a client establishes a connection to the server, it sends a request to the server in the form of a Uniform Resource Identifier, protocol version
7.1 Status Code Overview
When a Web server responds to a request from a browser or other client, its answer typically consists of a status line, several answer headers, a blank line, and a content document. Here is one of the simplest answers:
http/
HTTP fingerprint recognition has now become an emerging topic in application security, and HTTP servers and HTTP application security have also become an important part of network security. From the standpoint of network management, maintaining the
The meaning of the HTTP protocol status code is mainly divided into five categories, generally:~~~~~~~~~~~~~~~~~~~~~~~~~~~~1xx Retention2XX indicates that the request was successfully received3xx requesting customers to further refine requests for
Note: XMLHttpRequest is the basis of Ajax, and when creating XMLHttpRequest objects, you must be in the same ' ' tag as the Ajax method you write! Otherwise, the AJAX request will go wrong and the data cannot be returned. JAVASCRIPT/JS Ajax
. htaccess Rules
1. Introduction IntroductionFile name. htaccess Property 644 (rw-r–r–)Htaccess will affect all subdirectories in the directory where it residesNote that most of the content is required to remain within a line, do not wrap, or cause
7.1 Status Code Overview
When a Web server responds to a request from a browser or other client, its answer typically consists of a status line, several answer headers, a blank line, and a content document. Here is one of the simplest answers:
http/1
HTTP 1.1 Status code and what it means
The following table shows the common HTTP 1.1 status codes along with their corresponding state information and meanings.
You should be cautious about using state codes that only have HTTP 1.1 support,
The following table shows the common HTTP 1.1 status codes along with their corresponding state information and meanings.
You should be cautious about using state codes that only have HTTP 1.1 support, because many browsers can only support HTTP 1.0.
Xml
(i) HTTP 1.1 supported status codes
Continue Initial request has been accepted and the customer should continue to send the remainder of the request
The switching protocols server converts requests to a different protocol for
This is a more comprehensive HTTP request error status code Daquan link address: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html, the following are just a few of the common occurrences.
1xx (Temporary response)A status code that represents a
The meaning of the HTTP protocol status code is mainly divided into five categories, which are generally:~~~~~~~~~~~~~~~~~~~~~~~~~~~~1XX reserved2XX indicates that the request was successfully received by3XX request further refinement of requests
Javaweb Knowledge Point Summary OneCommon status codes and their meaningsSome common HTTP status codes are: --Server successfully returned to Web page The server does not understand the syntax of the request404 --The requested page does not exist503
Provides various official and user-released code examples and code reference. You are welcome to exchange and learn how to process file loading, file download, and other related functions.
Class http {/*** Download an object through http** Reads
Explanation of HTTP status codes and explanation of http Status Codes
1xx: Information
Message
Description
100 Continue
The server only receives some requests, but once the server does not reject the request, the
Write down to fear oneself forget, rise up knowledge.Page HTTP status Query tool descriptionSuggest direct ctrl+f to find status codeIf a request is made to your server to display a webpage on your site, your server returns an HTTP status code in
Continue the initial request has been accepted, the customer should continue to send the remainder of the request
101 Switching Protocols Server translates the client's request to another protocol
All OK, the answer document for Get and post
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