The author replaced their original Home Assistant setup with Cloudflare Tunnel for secure external access.Initial setup involved creating subdomain, port forwarding, and securing connections with SSL certificates.Let's Encrypt, an automated API issuing free SSL certificates, was utilized for securing server communication.To ensure timely certificate renewal, the author set up an automation in Home Assistant.The author found managing multiple subdomains challenging due to router limitations and automation complexities.Cloudflare Tunnel integration resolved the port management issue and provided a secure connection without exposing a public IP.Cloudflared, a community add-on, simplified the configuration of Cloudflare Tunnel in Home Assistant.By transitioning to Cloudflare Tunnel, the need for Let's Encrypt SSL certificates within the tunnel was eliminated.The process of migrating to Cloudflare Tunnel involved carefully adjusting configurations in both Cloudflare and Home Assistant.The article concludes with steps to remove Let's Encrypt add-on and legacy configurations after implementing Cloudflare Tunnel.