|VPN or virtual private network is a special secure private network inside a public network, such as the Internet. It enables a computer or any mobile device to send and receive data through shared or public networks as if it were directly connected to the private network while benefiting from the functionality, security and management policies of the private network. |
A VPN is created by establishing a virtual point-to-point connection through the use of dedicated connections, virtual tunneling protocols, or traffic encryptions.
A VPN connection across the Internet is similar to a wide area network (WAN) link between websites. From a user perspective, the extended network resources are accessed in the same way as resources available within the private network.
VPNs allow employees to securely access their company’s intranet while traveling outside the office. Similarly, VPNs securely connect geographically separated offices of an organization, creating one cohesive network.
VPN technology is also used by individual Internet users to secure their wireless transactions, to circumvent geo-restrictions and censorship, and to connect to proxy servers for the purpose of protecting personal identity and location.
You can also read How it works section on Sahrzad website. To read more about VPN please review Wikipedia.
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