What is a 504 status code? An HTTP 504 status code (Gateway Timeout) indicates that when CloudFront forwarded a request to the origin (because the requested object wasn’t in the edge cache), one of the following happened: The origin returned an HTTP 504 status code to CloudFront. The origin didn’t respond before the request expired.
What does code 502 mean? The HyperText Transfer Protocol (HTTP) 502 Bad Gateway server error response code indicates that the server, while acting as a gateway or proxy, received an invalid response from the upstream server.
What are 502 and 503 errors? Some of the common 500 error messages that websites may encounter are 502, 503, and 504, which are all related to the website server being unable to fill a request that should be valid. These codes provide both the user and the website owner with additional information as to why a page is not loading.
What is the difference between 503 and 504? The difference between 503 and 504 is that 503 means that your app-server has issues, while 504 means that the gateway you’re using has issues.