AkousaHTTP Status CodesError
426426 Upgrade Required
The server refuses to perform the request using the current protocol and requires the client to upgrade.
browsernodeserver
View details 525Cloudflare could not complete an SSL/TLS handshake with the origin server.
The SSL/TLS configuration on the origin server is incompatible with Cloudflare. The certificate may be expired, self-signed (without Full (Strict) being disabled), or using unsupported cipher suites.
Install a valid SSL certificate on the origin server. Ensure the certificate is not expired. Match the Cloudflare SSL mode (Full/Full Strict) with your certificate type. Update TLS cipher suites to modern standards.
426The server refuses to perform the request using the current protocol and requires the client to upgrade.
424The request failed because it depended on another request that failed (WebDAV).
200The request has succeeded. The meaning of the success depends on the HTTP method used.
511The client needs to authenticate to gain network access, typically for captive portals.
207The response provides status for multiple independent operations in a single response (WebDAV).
425The server is unwilling to process a request that might be replayed, to avoid potential replay attacks.