Unable to access a website hosted on Plesk: Sorry, you have been blocked

Symptoms

• Website example.com is unavailable with the following error:

PLESK_ERROR: Sorry, you have been blocked

• When checking the DNS settings, it can be seen traffic is proxied through CloudFlare:

# dig +trace example.com
example.com. 3600 IN NS frank.ns.cloudflare.com.
example.com. 3600 IN NS ingrid.ns.cloudflare.com.
example.com. 300 IN A 188.114.97.12
example.com. 300 IN A 188.114.96.12

Cause

Cloudflare's Web Application Firewall is blocking access to the website.

Resolution

Disable the blocking rule via Cloudflare or Contact Cloudflare Support for further assistance.