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Toshiki's HTTP

521 Web Server Is Down

Web Server Is Down

Description

The HTTP response status code 521 Web Server Is Down is an unofficial HTTP status code specific to Cloudflare.

This error occurs when the origin web server refuses connections from Cloudflare.

Developed by @andatoshiki with ☕️ at @toshikidev, co-founded in ASU of Arizona; original comic character/figure artwork and error code illustration produced by @andatoshiki on Telegram.