Virtual Private Networks
A virtual private network (VPN) is used to extend a private network through the use of the internet in a secured manner. It provides a platform for remote users to get connected to the organization's private network.
With the help of VPN technology, remote users and branch offices can connect to the resources and applications hosted in the private network of the organization. To enable a VPN, a virtual point-to-point connection is established using dedicated circuits of tunneling protocols.
VPN technology ensures the safeguarding of critical data traveling through the internet.
VPNs – Technical Aspects
A VPN provides a platform to hide information from any sniffers 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...