This is a general introduction to VPNs, including information on why they're used, architecture decisions, and more. A Virtual Private Network is a secured network connection between an individual and a private network (client-to-server) or a remote LAN and a private network (server-to-server), built over a public network infrastructure. VPN Security Features
- Encrypted session (protects data from eavesdropping)
- Packet authentication (protects data from unauthorized modifications)
- Hosts/users strongly authenticated (verifies remote user identity)
- Hides private network topology
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