Error 522 indicates a connection timeout between servers. Commonly occurs when Cloudflare cannot connect to origin server. Affects websites using Cloudflare CDN
Error 520 indicates empty or unexpected server response. Error 521 shows server refused connection with Cloudflare. Non-owners should contact site owner with error screenshot. Non-owners without Cloudflare account should contact Support. Owners with Cloudflare account should follow detailed guides
Error 522 indicates server-side connection timeout when Cloudflare cannot connect to origin server. Error occurs when origin server doesn't respond within 60 seconds. Error is not caused by Cloudflare itself but by server-side problems
User switched from StartSSL SSL to Cloudflare's Full SSL mode. Received 525 errors despite retrying live version
Error occurs when Cloudflare cannot make TCP connection to origin server. Commonly caused by firewalls or security software blocking Cloudflare requests
Error 522 indicates a connection timeout between Cloudflare and web server. It occurs when TCP handshake between server and CDN fails. Error is not caused by Cloudflare itself but by server-side problems