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Download pfSense

The pfSense® software is a m0n0wall-derived operating system platform with radically different goals such as using Packet Filter, FreeBSD 8.X, ALTQ for packet queueing and an integrated package management system for extending the environment with new features.

With an easy-to-use interface, the pfSense® system is ideal for building firewalls, redundant servers and clustering solutions.

The pfSense® software is ideal for our embedded servers, including the APU, ALIX, net5501 and net6501.

To create your own set of “factory defaults” please refer to the ‘’ file (below).
(Note: Tested with pfSense® versions 1.2.2 to 2.1.5)

For more information on the pfSense® software, please go to

Note: Before you can get pfSense® working on your box, you’ll need to assign the ethernet ports.

pfSense® requires a minimum of two network connections, so to use it with the ALIX 3, you’ll need to add a wireless card.

Pre-built images of pfSense® (full install)

32-bit version
Version: 2.2.5
Platform: ALIX 2, ALIX 3, ALIX 6, net5501, net6501
Date: 5 Nov 2015
Image size: 4GB
Media: CF card, SD card or mSATA drive
64-bit version
Version: 2.2.5
Platform: APU 1
Date: 5 Nov 2015
Image size: 4GB
Media: CF card, SD card or mSATA drive
Date: 20 May 2013
File size: 2KB
Use this script to create your own “factory defaults”. Instructions are inside the file.
(Note: Tested with pfSense® versions 1.2.2 to 2.1.5)

These images include software developed by the pfSense® Project for use in the pfSense® software distribution.

Devices supported by these pfSense® images


Get it installed for you

We’ll install your software of choice for free when you buy one of our standalone servers or a rack mount server (including a Compact Flash or SD card).

You can also add one to any CF or SD card purchase for only $10.

Just select the operating system you want from the product options, and your order will arrive with the image pre-installed on the CF card, so you can just plug it in and go.

Let us install your custom image

If what you’re looking for isn’t here, we can also build custom images.

Or, if you have your own image already built, or your own proprietary software, we’re also happy to pre-install it for you, so your units arrive ready-to-go out of the box.

We’ve had experience so far with Mikrotik RouterOS, PUBLICip, Ubuntu Linux, EMBCop, Askozia PBX, and we’re willing to give anything a go!

Do it yourself

You can write these images to a Compact Flash or SD card yourself, using dd (BSD/Linux) or Physdiskwrite (Windows).

If you don’t have them already, you’ll need a CF or SD card and a CF/SD card reader (or a CF to IDE adapter).

Note: All of the above images were created and tested on SanDisk cards, unless otherwise specified.

A note on image sizes

For best results, use the same CF card size

These images have been built on particular size Compact Flash cards.

Flashing an image onto a CF card of the same size will generally give you the best results, making the most of the available space and ensuring that the image will boot.

If you use a CF card that is smaller than the image, it will most likely refuse to boot.

If you use a CF card that is larger than the image size, you will end up with inaccessible space (unless you know how to repartition the card).

There’s no harm in using a larger CF card if that’s all you can get your hands on. You just might have some wasted space.

pfSense can’t use extra space

pfSense® doesn’t allow you to save files to the CF card, so there’s no point using a bigger card than you need to fit the image (unless you plan to configure the card for multiboot operation).

Although the images will fit onto any CF card bigger than the image size, the rest of the space on the CF card will be inaccessible to the pfSense® operating system.

So there’s no harm in using a bigger card, just some wasted space.

You might also want to check out this table that explains which compact flash card sizes to use for each image.

If in doubt, please ask us.

Other software

There are lots of great open-source operating systems that you can use on the APU, ALIX, net5501, net6501 and fitPC’s.

We’ve listed a selection of this amazingly useful software to give you even more options.

We’re not the experts

We supply these files purely for your convenience and can’t make any promises about their suitability for your project.

We can’t provide technical support for these images, because we’re not experts in these operating systems, and don’t want to pretend that we are.

If you’re unsure, please get technical advice from a suitably qualified expert before proceeding.

Note: These images are not endorsed by the creators and maintainers of pfSense® .