Virtual private networks
A virtual private network (VPN) is used to extend a private network through the use of the internet in a secure manner. It provides a platform for remote users to connect to the organization's private network.
With the help of VPN technology, remote users and branch offices can connect the resources and applications hosted in the private network of the organization. For enabling a VPN, a virtual point-to-point connection is established by way of dedicated circuits of tunneling protocols.
VPN technology ensures the safeguarding of critical data traveling over the internet.
VPNs – technical aspects
A VPN provides a platform to hide the information from a sniffer on the internet. Instead of using expensive, dedicated leased lines, a VPN relies on public IP infrastructure, which is cost-efficient. To protect the data, a VPN encrypts the packets with IP Security (IPSec) standards.
A VPN is enabled either through IPSec tunnel mode...
