https://medium.com/@glmdev/how-to-set-up-virtualized-pfsense-on-vmware-esxi-6-x-2c2861b25931

For the longest time, my router/firewall solution has been a Raspberry Pi 3 with a USB network dongle running dnsmasq. While this worked well enough, it didn’t offer much by way of advanced configuration (at least not easily), and the lack of a GUI was often a pain. Plus, I wanted my Raspberry Pi back. So, in this saga, we’ll be taking a look at how to create a virtualized firewall by running pfSense on VMware ESXi.

I like visual diagrams, so to kind of lay out what we’ll be doing, here’s a crudely MS Paint-ed diagram of how the virtual network will function: