This tutorial is deprecated in favour of Get started with Bot Fight Mode · Cloudflare bot solutions docs
A BirthdayWeek 2019 Announcement:
You can enable Bot Fight Mode in the Firewall > Settings area of your Cloudflare Dashboard:
Tutorial Reference: CT-25
Other great resources on this community include the Community Tips . These address best practices when configuring Cloudflare, how to fix issues you may see, and tools to troubleshoot. Also you can view Expert Tips, great posts on the community from people in the know that may help you with your issue.
We encourage users to check out these great resources and the Cloudflare Support Centre before posting