Build your own HomeLab Firewall! // OPNSense Tutorial

Published at : 18 Dec 2025

Boost your productivity and organize your tasks and projects with Akiflow: https://akiflow.pro/ChristianLempaAugust

In this video, I guide you through building your own HomeLab firewall using the powerful, free, and open-source OPNsense software on a compact Mini-PC. Discover how to install and configure OPNsense, address common driver issues, and set up your network interfaces for a robust and secure home network. Join me as I share my experience and initial setup steps to get you started with this versatile firewall solution.

References

* OPNsense Official Website & Download: https://opnsense.org
* OPNsense Packages: https://pkg.opnsense.org/
* My OPNsense Hardware Kit: https://kit.co/christianlempa/my-opnsense-firewall

________________

💜 Support me and become a Fan!
→ https://christianlempa.de/patreon
→ https://www.youtube.com/channel/UCZNhwA1B5YqiY1nLzmM0ZRg/join

💬 Join our Community!
→ https://christianlempa.de/discord

👉 Follow me everywhere
→ https://christianlempa.de

________________

Read my Tech Documentation
https://christianlempa.de/docs

My Gear and Equipment
https://christianlempa.de/kit

________________

Timestamps:

00:00 Introduction
02:36 Hardware Overview
05:20 Install OPNsense
07:56 Fix Realtek 2.5G Drivers
12:14 My Documentation
12:50 OPNSense Overview
15:36 Configure Interfaces
18:45 DHCP Settings
19:55 DNS Settings
21:06 Firewall Settings
22:00 Firewall Rules
24:05 Final thoughts

________________
Links can include affiliate links.