

Fundamentally, a host-to-host VPN is still a VPN. It creates an encapsulated L2/L3 link between two points over another network. The number of hosts on either end doesn’t change that. Each end still has its own own interface address, subnet, etcetera. You could use the exact same VPN config for both a host-to-host and host-to-site VPN simply by making one of the hosts a router.
I see your point about advocating for other methods where appropriate (although personally I prefer VPNs) but I think that gatekeeping the word “VPN” is silly.






You’re arguing two different points here. “A VPN can act as a proxy” and “A VPN that only acts as a proxy is no longer a VPN”. I agree with the former and disagree with the latter.
A “real” host-to-network VPN could be used as a proxy by just setting your default route through it, just like a simple host-to-host VPN could be NOT a proxy by only allowing internal IPs over the link. Would the latter example stop being a VPN if you add a default route going from one host to the other?