ISSC363 Week7B Forum

There are basically two different types of VPN’s that are common, Remote Access and Point to Point.  A remote access VPN is most commonly known as a virtual private dialup network (VPDN) and is a user to LAN connection used to allow people to access resources on a private network from a remote location.  A Site to Site VPN uses dedicated equipment to connect multiple locations together using encryption and can connect multiple sites together over a public network.  Most VPN’s rely on tunneling to create a private network.  There are four main tunneling protocols that can be used in creating VPN connections, they are Point to Point tunneling protocol (PPTP), Layer 2 forwarding (L2F), Layer 2 tunneling protocol (L2TP), and IP Security Protocol (IPSec). 
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