OPNsense Firewall Installation and Setup Tutorial

Embark on a smooth journey through the world of network security with our step-by-step OPNsense installation guide. This tutorial fresh for 2023 is designed for beginners looking to set up OPNsense firewall quickly and efficiently.

With the recent pfSense announcement and the removal of their home+lab free license tier, many home and lab users are looking for alternatives. Our video also serves as a resource for those looking to transition from pfSense to OPNsense.

By following along, you'll learn the basics of OPNsense installation, discovering how simple it can be to install OPNsense and get your firewall up and running in no time. Whether you're looking to protect your home network or fortify your business infrastructure, this video will provide you with the essential knowledge and guidance needed to successfully install OPNsense.

The [test] hardware used in this video was an N100 N5105 mini PC with 4xIntel i226 2.5G LAN, 2xDDR4 RAM slots, NVMe HDD, Fanless Mini PC with HDMI and DP from AliExpress.

Chapters:
00:00 - Introduction to video
01:24 - Downloading OPNsense
03:24 - Extracting archive and preparing USB
04:54 - Test Hardware we used from AliExpress (N5105)
05:47 - Installing from the USB
09:48 - Initial first startup
10:25 - Assign network interfaces (CLI)
12:20 - Logging in to the web interface and running the setup wizard
15:28 - Finished installation and final word

Don’t forget to like, share, and subscribe for more insightful tutorials on both OPNsense and pfSense firewalls.

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[uamade]

Clear straight to the point video. Thanks!

[RoboNuggie]

Good to see you back in the saddle Sam! - you have a way of explaining things that even I can understand, much appreciated 🙂

[bokami]

Glad I watched this. I'm new to PFSense but have decided to switch to Opnsense, which installs a little differently from PFSense. Thank you

[dreamkiss]

I like this video got my box running now its time to learn how to configure it

[iankearns]

Saw this originally advertised in the OPNSense FB Group so was keen to see a new tutorial. I have had OPNSense running previously quite happily but never had it configured to support multiple WAN connections so if you are building on this line of videos then seeing that as a topic and also using metrics to choose which WAN connection to use would be excellent

[alanhowson]

Thank you for a solid guide. I have installed OPNsense on an old PC - intel gen 4 i5. I popped in a 4x LAN PCIe card. Although I managed to install and get OPNsense running on the machine, I am struggling to find a walk through on using the spare LAN ports for expanding my network. I am currently using an 8 port managed switch for everything. However, I wanted to utilise one of the ports for running a Flux node, to keep it separate from my main network and another for a cloud server that I can access whilst away from home.

[jims]

Thank you for the detailed explanation on how to install and get the basic setup going. It would be great if you could show firewall rules for a basic set up.

[NishadRasheed-bv]

why Wan port is not showing in the ifconfig and how resolve it?

[BWACProductions]

At the step where you select which drive to install to, what key do you press to select the drive you want (put the * next to the drive you want)? Have tried EVERY key and can't get it.

[leonardshand]

Hi Sam. Great video. Will you be doing a OpnSense connection to BT business hub in the future? I followed your pfSense one but it did not work in OpnSense.

[mikescott]

Staying on pfsense+ for now with a TAC-Lite sub that's not expiring until next year. I'll look at opnsense again, but find the UI a bit meh. Sophos XG Home might be a contender again. Running pfsense on ex Sophos XG Caswell hardware. Might be moving to toob in due course for internet connection, but their base package is CGNAT connected, but I think they support IPV6.

[montehess]

I have the same mini pc shown in this video. Did you have to make any adjustments to the BIOS? Thanks

[elalemanpaisa]

The installer is lacking quite an important feature:
Encryption for ZFS

[japanham]

At around minute 5:35 you say...."I'll just get this setup"....and then the install screen shows up. What did you do to "just get this setup"? Would help beginners. Otherwise we have not idea what you did on this video. Thanks much.