Search results
Jul 21, 2010 · The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource. The origin server MUST send a WWW-Authenticate header field (Section 4.4) containing at least one challenge applicable to the target resource.
Jul 24, 2024 · The 401 Unauthorized error is an HTTP status code that means the page you were trying to access cannot be loaded until you first log in with a valid user ID and password.
May 9, 2024 · The “401 Unauthorized Error” is a standard HTTP response status code that indicates that a request sent to a server cannot be completed because it lacks valid authentication credentials. This error occurs when either no authentication is provided or the provided credentials are not valid or sufficient to access the resource.
Jun 25, 2020 · What is the 401 error code? The Internet Engineering Task Force (IETF) defines the error 401 Unauthorized as: The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource.
Jun 24, 2020 · The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource...The user agent MAY repeat the request with a new or replaced Authorization header field.
Aug 2, 2023 · The 401 Unauthorized status code indicates that authorization is required to access the requested resource. The server will inform which Authentication method(s) it supports and the client is required to authenticate itself before access is granted.
Jan 10, 2024 · HTTP 401, often referred to as “Unauthorized Error”, is an HTTP status code indicating that the client's request lacks valid authentication credentials. In simpler terms, it means the server understands your request, but you are not allowed to access the resource without proper authentication.
Jul 25, 2024 · HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes: Informational responses ( 100 – 199) Successful responses ( 200 – 299) Redirection messages ( 300 – 399) Client error responses ( 400 – 499) Server error responses ( 500 – 599)
The 401 Unauthorized status code is an HTTP response status code that indicates the client attempting to access a resource has not provided valid authentication credentials for that resource. In other words, it signifies that the request lacks valid user authentication.
The HTTP 401 Unauthorized client error status response code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource. This status is sent with a WWW-Authenticate header that contains information on how to authorize correctly.
