Terms of the offer
Know what the 401 Unauthorized Error means, common causes, and step-by-step solutions to fix access issues on your website for a seamless user experience. Learn the difference between 401 and 403 status codes, and when to use them for authentication and authorization errors. See answers from experts and users, with examples and references to RFCs. This article lists standard and notable non-standard HTTP status codes. Standardized codes are defined by IETF as documented in Request for Comments (RFC) publications and maintained by the IANA. [1] Other, non-standard values are used by various servers. The descriptive text after the numeric code – the reason phrase – is shown here with typical value, but in practice, can be different or omitted. What is the 401 HTTP Status Code? The 401 Unauthorized is an HTTP status code that indicates the request to the web server requires user authentication. The full name is “401 Unauthorized” or “HTTP 401,” as defined in the HTTP specification RFC 7235. The 401 code is in the class of 400 codes that signify a client-side error, meaning the requesting client did not provide a valid request. To Fix the 401 Unauthorized Access Error, it’s crucial to understand the root causes and ...