100100 Continue
The server has received the request headers and the client should proceed to send the request body.
523Cloudflare could not reach the origin server, typically due to DNS issues.
The origin server's IP address could not be reached. This is usually a DNS configuration error in Cloudflare, the origin server being offline, or a network routing issue between Cloudflare and the origin.
Verify DNS records in Cloudflare point to the correct origin IP. Ensure the origin server is online and accessible. Check for network issues between Cloudflare's data center and your origin.
100The server has received the request headers and the client should proceed to send the request body.
522Cloudflare could not negotiate a TCP handshake with the origin server.
400The server cannot process the request due to a client error, such as malformed syntax, invalid parameters, or corrupt data.
406The server cannot produce a response matching the list of acceptable values defined in the request's Accept headers.
102The server has received and is processing the request, but no response is available yet (WebDAV).
202The request has been accepted for processing, but the processing has not been completed yet.