Question: what are the different vpn types?
Answer: Internet Protocol Security (IPSec): Internet Protocol Security, known as IPSec, is used to secure Internet communication across an IP network. ... 
Layer 2 Tunneling Protocol (L2TP): ... 
Point–to–Point Tunneling Protocol (PPTP): ... 
SSL and TLS: ... 
OpenVPN: ... 
Secure Shell (SSH):