The “404 Not Found” code is one of many HTTP response status codes, and each has a different meaning. The common trait they all share is that they are server responses to your requests.Read further to find out more about what are HTTP status codes and what each code means....
[33]如果当前请求已经包含了Authorization证书,那么401响应代表着服务器验证已经拒绝了那些证书。如果401响应包含了与前一个响应相同的身份验证询问,且浏览器已经至少尝试了一次验证,那么浏览器应当向用户展示响应中包含的实体信息,因为这个实体信息中可能包含了相关诊断信息。 注意:当网站(通常是网站域名)禁止IP地址时,有...
Keep in mind, HTTP status code 401 is unique from other HTTP status codes such as 400 (Bad Request), 403 (Forbidden), and 500 (Internal Server Error). Each of these status codes represents a separate kind of error or issue with the request or server. When and How Is HTTP Status...
401 Unauthorized 该状态码表示发送请求需要有通过HTTP认证(BASIC认证、DIGEST认证)的认证信息。另外若之前已进行过1次请求,则表示用户认证失败。 返回含有401的响应必须包含一个适用于被请求资源的WWW-Authenticate首部用于质询(challenge)用户信息。当浏览器初次接收到401响应,会弹出认证用的对话窗口。 403 Forbidden 该状...
400 series request codes deal with malformed and unserviceable requests from a user-agent. Whenever a 400 series is encountered the problem is usually on the client side.
400 – Bad Request 401 – Unauthorized 403 – Forbidden 404 – Not Found 408 – Request Timeout 410 – Gone 429 – Too Many Requests 5xx Status Codes These areserver errors. That means something went wrong with theresponse(website/server) and not the request (client/user). They include:...
HTTP response status codes HTTP响应状态代码指示特定的HTTP请求是否已成功完成。回答分为五类: 信息响应(100–199), 成功响应(200–299), 重定向(300–399), 客户端错误(400–499), 和服务器错误(500–599)。 1、Information responses 100 Continue
400denotes a mal-formed HTTP request. 401denotes the the request was unauthorised Logic would dictate a request failing to provide a token is401not authorised rather then400badly formed. Clients accessing a RESTful resource expect response codes to explain correctly what has happened. In this case...
5XX Status Codes – Server Errors Unofficial HTTP status codes How can I check the HTTP Status codes on a Website? Summary and the Vital Importance of Correct HTTP Status Codes Every Internet user has seen the “Not found” page with the three-digit “404” code at some point. This is ...
const http = require('http') console.log(http.STATUS_CODES); { '100': 'Continue', '101': 'Switching Protocols', '102': 'Processing', '103': 'Early Hints', '200': 'OK', '201': 'Created', '202': 'Accepted', '203': 'Non-Authoritative Information', ...