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What are the CLB error codes?

The error codes of CLB basically follow the HTTP standards.

Client errors, return 4XX

  • 400 Bad request: Your browser sent an invalid request.
  • 403 Forbidden: Request forbidden by administrative rules.
  • 408 Request Time-out: Your browser didn’t send a complete request in time.

Server errors, return 5XX

  • 500 Server Error: An internal server error occured.
  • 502 Bad Gateway: The server returned an invalid or incomplete response.
  • 503 Service Unavailable: No server is available to handle this request.
  • 504 Gateway Time-out: The server didn’t respond in time.