403 Forbidden vs 401 Unauthorized HTTP responses In summary, a 401 Unauthorized response should be used for missing or bad authentication, and a 403 Forbidden response should be used afterwards, when the user is authenticated but isn’t authorized to perform the requested operation on the given resource Another nice pictorial format of how http status codes should be used
Why am I getting a 401 Unauthorized error in Maven? I got Unauthorized also because of a permission issue For some reason when mvn is being executed in a Docker container, not under 'root' user, (how the project was build there), it returns 401
cors - HTTP Post Request: 401 (Unauthorized) - Stack Overflow Failed to load url1: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource Origin 'mywebapp' is therefore not allowed access The response had HTTP status code 401