It is worth mentioning that Cloudflare uses cookies, which are filed on the computer to store varied information about the communication with the page and offer greater security to the WordPress site. Thus, the CDN does not allow the connection, as it identifies a risk to the site.
One of them is when the CDN understands that the IP address that tries to establish the connection with the website is marked in the internal settings to be blocked. Some situations can cause this error to occur.
