Automaticlly update your server's firewall to allow CloudFlare IPs
Features: Works with CSF and IPtables Runs each day checking for new CF IPs to add
How to install:
wget https://raw.github.com/hkirste/CloudFlare-auto-IPs/master/cf.sh sh cf.sh
This will setup the script in your server for to run each day checking for new IPs to add.