“Cloudflare Tunnel” is not a network onto itself but an ngrok-like product of Cloudflare, using the Cloudflare network — which yes, is just a GRE overlay and no

“Cloudflare Tunnel” is not a network onto itself but an ngrok-like product of Cloudflare, using the Cloudflare network — which yes, is just a GRE overlay and not a _real network_ per se.