The SoHo 401 VPN is a firewall, a high bandwidth router, and a 4 port switch that can connect securely to remote networks through VPN (Virtual Private Network) tunnels. VPN is an encryption mechanism that makes safe connections possible between networks over the internet. The VPN tunnel can use IPSec or PPTP (Windows VPN). The SoHo 401 VPN can connect with other VPN capable products, like the HotBrick VPN Client or Windows PPTP VPN. It is an outstanding high performance and cost effective product.