I’ve not posted in a while, so I think it’s time for an update. In this blog post, I am installing the OPNSense firewall in my home lab. After evaluating different firewalls like pfSense and IPFire, I decided to go with OPNSense due to its comprehensive set of features and robust performance. To begin, I downloaded a virtual machine image from the OPNSense website. OPNSense is an open-source, feature-rich firewall and routing platform that offers cutting-edge network protection. I opted for the AMD64 version, which is well-suited for my system's architecture. Next, I prepared my virtual environment using VirtualBox. I created a new VM specifically for OPNSense and loaded the downloaded image into it. Setting up the VM involved configuring the virtual hardware, such as assigning adequate memory, processor cores, and network adapters to ensure optimal performance. With the VM prepared, I proceeded to boot it up and eagerly watched as the system initiated its detailed boot seq...
