Cloudflare is a CDN, DNS, WAF, DDoS protection, and reverse proxy service. You need to use the ngx_http_realip_module module to change the client address sent in the specified header field such as CF-Connecting-IP or X-Forwarded-For. This shell script downloads a list of IPv4 and IPv6 address from Cloudflare and generates an updated /etc/nginx/cloudflare.real.ip.conf file:
A simple shell to build and install suhosin as module for PHP under CentOS Fedora and RHEL / Redhat Linux servers.
A shell script to build dnstop utility to displays various tables of DNS traffic on your network including bind 9 server stats under RHEL / Fedora / CentOS / Redhat Linux.
A Shell Script To Build vnstat software which is act as a console-based network traffic monitor under CentOS / RHEL / Redhat / Fedora Linux.