Pi03: Transparent Router, Content Filter & Personal Cloud
System Role: A high-availability Raspberry Pi 4 hosting a redundant RAID 1 storage array, acting as a transparent router for a LAN subnet, enforcing DNS filtering via AdGuard Home, and serving a Nextcloud instance externally via Cloudflare Tunnels. Host: Raspberry Pi 4 Model B (4GB RAM) Hostname: pi03 OS: Debian 12 (Bookworm) Functions: Multi-WAN Router, AdGuard Home DNS Filter, Nextcloud Storage (RAID 1), Cloudflare Tunnel. Date: November 2025 System Architecture & Network Design This system operates as a transparent router for a LAN subnet while hosting secure personal cloud services accessible from the internet. ...