Explanations and security best practices for request and response headers.
Standard response for successful HTTP requests.
The request has been fulfilled, resulting in the creation of a new resource.
The server successfully processed the request and is not returning any content.
This and all future requests should be directed to the given URI.
Tells client to look at another URL temporarily.
Resource has not been modified since the version specified in the request.
The server cannot or will not process the request due to client error.
Similar to 403 Forbidden, but specifically for authentication failure.
The request was valid, but the server is refusing action (permissions).
The requested resource could not be found but may be available in the future.
A request method is not supported for the requested resource.
Indicates that the request could not be processed because of conflict in current state.
Semantic errors in the request body (e.g. form validation failure).
The user has sent too many requests in a given amount of time (rate limited).
Generic error message when an unexpected condition was encountered.
The server received an invalid response from the upstream server.
The server is currently unavailable (overloaded or down for maintenance).
The server did not receive a timely response from upstream server.
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