VPN
A VPN is used to extend a private network through the use of the internet in a secure manner. The prime objective of VPN technology is to enable remote users and branch offices to access applications and resources available in private networks of organizations. A VPN is created by establishing a virtual point-to-point connection through the use of dedicated circuits or tunneling protocols.
VPN technology, if properly configured, will reduce the risk associated with sensitive data traveling in an open public network.
VPNs – Technical Aspects
A VPN provides a platform to hide information from a sniffer on the internet. Instead of using expensive dedicated leased lines, a VPN relies on a public IP infrastructure, which is cost-efficient. To protect the data, a VPN encrypts packets with IP Security Standards (IPSec).
A VPN uses the data encapsulation or tunneling method to encrypt the traffic payload for secure transmission of the data. A VPN uses IPSec tunnel mode...
