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Build a Cybersecurity Home Lab: pfSense, VPN & Linux Guide

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This guide details the architecture for a hands-on cybersecurity home lab, designed to bridge the gap between theory and practice. By deploying pfSense as a network gateway, Ubuntu Server for hosting, and Tailscale for secure remote access, the setup simulates a real-world environment. The author highlights the challenge of CGNAT and explains why a mesh VPN is a superior solution over traditional port forwarding.

Key lessons include managing Linux permissions, configuring firewall rules, and understanding attack surfaces through self-hosted services like Jellyfin. This project is essential for students and beginners, offering a safe sandbox to master network security, system administration, and vulnerability management without risking production systems.