Fail2Ban Action Configuration for CloudFlare REST API V4

Note: This will only work if you have full access to your web server's /etc/fail2ban/ files.

Installation:

• Copy action.d/cloudflare-restv4.conf to your /etc/fail2ban/action.d directory.
• Get your CloudFlare Global API Key at: https://dash.cloudflare.com/profile
• Modify your /etc/fail2ban/jail.local as shown in the sample jail.local file provided in this repository. Set cfemail and cfapikey to your cloudflare account email and Global API Key respectively.
• Restart Fail2Ban with: service fail2ban restart
• Please consider using mod_cloudflare on Apache2 servers to make sure you are using the correct IP address as the client IP address.

More info: https://www.kazimer.com/fail2ban-action-for-cloudflare-rest-api-v4/