Cloudflare Spectrum vs pfSense: What are the differences?
Cloudflare Spectrum: DDoS protection for TCP services. Extend the power of Cloudflare's DDoS, TLS, and IP Firewall to not just your web servers, but also your other TCP-based services, keeping them online and secure. Reduce the ability for attackers to snoop and steal sensitive data. Protect your origin and all TCP services you expose to the Internet; pfSense: An open source firewall/router computer software distribution. It is an open source firewall/router computer software distribution based on FreeBSD. It is installed on a physical computer or a virtual machine to make a dedicated firewall/router for a network.
Cloudflare Spectrum and pfSense can be categorized as "Security" tools.