← All status codes5xx – Server Error

HTTP 526 – Invalid SSL Certificate

(Cloudflare) The origin server's SSL certificate is invalid, expired, or does not match, and strict SSL validation is enabled.

Other 5xx codes

500Internal Server Error501Not Implemented502Bad Gateway503Service Unavailable504Gateway Timeout505HTTP Version Not Supported507Insufficient Storage508Loop Detected511Network Authentication Required520Web Server Returned An Unknown Error521Web Server Is Down522Connection Timed Out523Origin Is Unreachable524A Timeout Occurred525SSL Handshake Failed527Railgun Error530Origin DNS Error540Temporarily Disabled561Unauthorized598Network Read Timeout Error599Network Connect Timeout Error