https://www.linode.com/community/questions/19794/error-521-using-cloudflare-ssl-full-option-but-sort-of-working-using-flexible-op
Error 521 using Cloudflare SSL "Full" option but sort of working using "Flexible" option (19794) |...
Whenever I connect my instance to my domain through CloudFlare, I get error 521. When I change SSL/TLS mode to Flexible instead of Full, it does load pages,...