To better understand the concept of VPN and what is the best free vpn for android, we need to know how the working principle of a VPN. Basically, VPN works in a way as if creating a network within a network or a so-called tunnel (tunnel). Tunneling is used to create private lines using the third-party infrastructure. VPN itself uses one of three existing tunneling technologies, namely: PPTP, L2TP, and Internet Protocol Security (IPSec). VPN is a combination of tunneling and encryption technology so it is more secure than ordinary internet connections.
To connect between 1 PC with another, VPN requires a VPN Server which can be a computer with a VPN Server application or a Router. The computer with the VPN Client application will then contact the VPN Server, the VPN Server then verifies the username and password.
After we understand what a VPN is and how it works, then let us understand what are the uses and benefits that can be received by using a VPN.
1. Transactions in the internet network become safer
If you often make large transactions such as through e-banking, stock sites or forex, then using VPN, your transactions and data will be far more private and less vulnerable to hacker attacks.
2. Covering the traces of internet activity history
Besides your data is better protected, VPN is also useful if you access private or confidential content on the internet. With a VPN, your search history will not be detected by other people or irresponsible parties. This is very useful for matters relating to copyright.
3. Speed ??up the Download Process
This VPN can also be used to increase download speeds from the internet. When using a VPN, it is as if we are using a private network, which is used a little by others and can also be connected directly to the flow of data flowing on the internet, which can increase download speeds.
4. Remote Access remotely
With VPN we can access computers or office networks, from anywhere as long as you are connected to the internet such as for retrieving data, opening e-mails or databases and so on.