Allow only Cloudflare CDN servers to your web servers

We love to use Cloudflare CDN because it improves latency and uptime, and the price is just right (free) for the starter pack. Normally, a web server’s ports 80 and 443 would be opened to the public internet, with access restricted by selected IP ranges by either ASN or country, depending on what the administrator… Continue reading Allow only Cloudflare CDN servers to your web servers