For creating a secure connection to a remote network. A tunnel is created that so that all packets are encrypted and sent to a VPN server, which is relayed to the router on their network.

Encryption Process

  1. Encrypt packet
  2. Encapsulate

VPN Backbone Technologies

L2TP & IPsec

  • Requires a client software
  • Must be opened on packet-filtering devices
  • When connected, you are in their network and can do regular LAN activities

SSL & TLS

  • Does not require much configuration
  • Requires an access portal to do LAN activities