From wikinotes

Profoak is my general purpose FreeBSD server. It hosts various other servers in jails that provide other services.
It is named after Professor Oak, a side-character in pokemon since this server hosts several other servers. Servers, Gotta catch 'em all.

FreeBSD jails Hosts jailed servers
bhyve Hosts VMs
pf firewalls defined here apply to all jails
openssh access
wireguard VPN