525525 SSL Handshake Failed
Cloudflare could not complete an SSL/TLS handshake with the origin server.
411The server requires a Content-Length header in the request but none was provided.
The request has a body but is missing the Content-Length header. Some servers require this header to allocate resources before reading the request body.
Add a Content-Length header to your request specifying the size of the body in bytes. Most HTTP client libraries set this automatically. If using chunked transfer encoding, consider switching to a fixed-length body.
525Cloudflare could not complete an SSL/TLS handshake with the origin server.
103The server sends preliminary response headers to allow the client to start preloading resources before the final response.
502A gateway or proxy server received an invalid response from the upstream server.
300The request has more than one possible response and the user or user agent should choose one of them.
421The request was directed at a server that is not able to produce a response for the combination of scheme and authority in the request URI.
206The server is delivering only part of the resource due to a Range header sent by the client.