Stands for virtual private network is feature which is used for client system for access services which is configured at vpn server. VPNs allow employees to securely access their company’s intranet while traveling outside the office A virtual private network connection across the Internet is similar to a wide area network (WAN) link between websites. From a user perspective, the extended network resources are accessed in the same way as resources available within the private network.
Get data secured with l2tp,pptp,sstp they are security protocol.
Required two lan card 1 for public ip addressing and 2nd for private ip addressing.
Key
It increase speed.
After setting up vpn at client give permission to users properties-dial –in.