Build your own HomeLab Firewall! // OPNSense Tutorial

Published: 29 August 2025
on channel: Christian Lempa
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2.4k

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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-opns...

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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

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