504504 Gateway Timeout
A gateway or proxy server did not receive a timely response from the upstream server.
207The response provides status for multiple independent operations in a single response (WebDAV).
A WebDAV batch request affected multiple resources. Each sub-response has its own status code in the XML response body. Some operations may have succeeded while others failed.
Parse the XML response body to check the status of each individual operation. Handle failures for specific resources while acknowledging successful ones.
504A gateway or proxy server did not receive a timely response from the upstream server.
523Cloudflare could not reach the origin server, typically due to DNS issues.
506The server has an internal configuration error where the chosen variant resource is configured to engage in content negotiation itself.
508The server detected an infinite loop while processing the request (WebDAV).
100The server has received the request headers and the client should proceed to send the request body.
412One or more conditions specified in the request headers evaluated to false on the server.