Since pfSense is inaccessible from WAN, I had to VNC into the VM and increase a rule to allow my Personal computer to connect to it from WAN. adhering to that, set up was virtually similar to establishing on bare https://macktechbiz.com/blogs/news/unleashing-the-power-of-micro-appliance-pc-firewalls-a-revolution-in-open-source-firewall-solutions-with-zenarmor-and-opnsense-support