Waiting Room was already on Cloudflare’s project roadmap however was supposed for other high-demand, limited-supply objects, similar to live performance tickets. The device provides a method for future vaccine recipients to see a transparent, and up-to-date overview of their position in line for a COVID-19 vaccine. From this, we now have realized what a CloudFlare Firewall Rule is and tips on how to configure it to filter visitors and shield your web site. We have additionally gone through how the Expression Editor works for writing more complex firewall rules.