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HTTP status codes
502 Bad Gateway

← All status codes5xx – Server Error

HTTP 502 – Bad Gateway

The server, acting as a gateway or proxy, received an invalid response from the upstream server.

Other 5xx codes

500Internal Server Error 501Not Implemented 503Service Unavailable 504Gateway Timeout 505HTTP Version Not Supported 507Insufficient Storage 508Loop Detected 511Network Authentication Required 520Web Server Returned An Unknown Error 521Web Server Is Down 522Connection Timed Out 523Origin Is Unreachable 524A Timeout Occurred 525SSL Handshake Failed 526Invalid SSL Certificate 527Railgun Error 530Origin DNS Error 540Temporarily Disabled 561Unauthorized 598Network Read Timeout Error 599Network Connect Timeout Error

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