Status code 401 – the “unauthorized” error, is a client-side error. Usually, this means the user’s login authentication credentials aren’t working. The user entered an incorrect password, or the server doesn’t know who the user is, and is asking them to try and log in again with ...
Distinguishing the 401 Status Code The 401 Unauthorized status code is returned when the server requires the client to authenticate, whereas the 403 Forbidden status code is returned when the server declines to fulfill the request, despite knowing the identity of the client. This typically means the...
A 401 status code indicates that the client lacks valid authentication credentials for the requested resource, while a 404 status code indicates that the server could not find the requested resource. In other words, a 401 status code means that the server knows the requested resource exists, but...
This usually does not mean that the upstream server is down (no response to the gateway/proxy), but rather that the upstream server and the gateway/proxy do not agree on the protocol for exchanging data. Given that Internet protocols are quite clear, it often means that one or both machine...
404 - Not Found: If you've been anywhere near SEO, you're probably well-acquainted with the 404 Status Code. It simply means that the requested data does not exist on the server. These can occur when people try to request URLs that don't exist, sometimes because they typed the URL wr...
access authentication.[36]401 semantically means"unauthenticated",[37]i.e. the user does not have the necessary credentials.Note: Some sites issue HTTP 401 when anIP addressis banned from the website (usually the website domain) and that specific address is refused permission to access a web...
http status code 原文 https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html http://blog.csdn.net/softwave/article/details/6201800 所有HTTP 状态代码及其定义。 代码 指示 2xx 成功 200 正常;请求已完成。 201 正常;紧接 POST 命令。 202 正常;已接受用于处理,但处理尚未完成。
200 OK: This status code indicates that the request was successful, and the server returned the requested data. 201 Created: This status code means that the request was successful, and the server created a new resource. 204 No Content: This status code indicates that the request was successful...
There are several reasons.A token is valid for 24 hours. If you receive a 401 status code when calling the OCR service using a token, it means that the token has expired.
Each Status-Code is described below, including a description of which method(s) it can follow and any metainformation required in the response. 10.1 Informational 1xx This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is termi...