How to Install OPNsense on VirtualBox

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In this tutorial, we are going to learn how to install OPNsense on VirtualBox.

OPNsense is a FreeBSD-based open-source and a fork of pfSense software that provides firewall and routing features. It is developed by Desico, a Company in Netherlands. Some of the common features offered by OPNsense include:

  • Traffic Shaping
  • Forward caching proxy
  • Intrusion detection and Prevention
  • Two-factor authentication
  • VPN technologies ranging from modern SSL VPN’s to IPsec as well as legacy options such as L2TP and PPTP.
  • Captive Portal

For a deeper insight into the features of OPNsense, check here

Install OPNsense on VirtualBox

To install OPNsense on VirtualBox, step through the procedure below.

  • Download the installation ISO from the official OPNsense download page
  • Create a new VM on VirtualBox with type BSD and version as FreeBSD(64-bit) with at least 1GB of RAM, 16G storage. (Rem this can change depending on your needs)
  • Add two two NICs, bridge the first adapter, and set the second adapter as Host-Only
  • On Storage settings, add the installation ISO and start the VM.

Once the OPNsense VM starts, you should see the screen below.

Install OPNsense on VirtualBox

To install OPNsense, login as user installer with the default password opnsense.

When you login, the OPNsense installer screen welcomes you. Click Enter to proceed with installation.

Install OPNsense on VirtualBox

The installer will prompt you for several installation options. For every prompt, click Enter to accept the default options. After that, installation will run.

Install OPNsense on VirtualBox

After the installation, set the root password and reboot the vm.

Install OPNsense on VirtualBox

Once the OPNsense boots, login as root with the default password opnsense.

Install OPNsense on VirtualBox

The screen below welcomes you after login

Once you have logged in, you can do various configurations like reset root password, add interfaces, set interface IP Addresses. Up to there, you learnt how to Install OPNsense on VirtualBox. You can as well check our article on how to reset root password on OPNsense firewall. Cheers.

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