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
- Encrypt packet
- 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