Question
What is the difference between a 502 Bad Gateway error and other HTTP errors?
Asked by: USER6422
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77 Answers
Answer (77)
A 502 Bad Gateway error specifically indicates that the gateway (Cloudflare) received an invalid response from the upstream server (your origin server). Other errors like 404 (Not Found) indicate a problem with the client request, while 403 (Forbidden) indicates permission issues. 502 errors are usually related to communication problems between Cloudflare and your origin.