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Christopher Ross
Christopher Ross

What Is 401 Unauthorized Error And How To Fix It ((EXCLUSIVE))


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. The server generating a 401 response MUST send a WWW-Authenticate header field containing at least one challenge applicable to the target resource.\n"},"name":"What is the 401 Error Code?","@type":"Question"},"acceptedAnswer":"@type":"Answer","text":"If you encounter an error code in the 400s, you know you\u2019re dealing with a client-side (or browser-side) issue. While the problem may be happening within your browser, however, it doesn\u2019t necessarily always\u00a0mean that\u2019s the culprit, which we\u2019ll explain in more detail later.\n401 errors occur on restricted resources, such as password-protected pages of your WordPress site. 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What is 401 Unauthorized Error and how to fix it



At other times, this error is caused by a plugin incompatibility or error. For example, a firewall or security plugin can mistake your login attempt as malicious activity, and return a 401 error to protect the page.


After that, try reloading the page that returned the 401 error to see if this has resolved the issue. If it has, you can manually activate each plugin one at a time, in order to determine which one is causing the problem.


One of the most common error codes is the 401 Error or the 401 Unauthorized Error. This error suggests that the request sent to the website or web application could not be authenticated. Fortunately, in most cases, this error can be quickly resolved.


This response header determines the authentication method the web browser should follow to access a specific page. Knowing what response the header sends and which authentication method is used will help determine the problem.


The 401 Unauthorized Error is an HTTP status code error that represented the request sent by the client to the server that lacks valid authentication credentials. It may be represented as 401 Unauthorized, Authorization required, HTTP error 401- Unauthorized. It represents that the request could not be authenticated. It consists of a www-Authenticate header which contains the hint on how to authorize correctly.


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