What is VPN and what it uses ?

What Is VPN ?

Virtual Private Networks or commonly called VPNs are a safe way to access local area networks that are in a certain range, by using the internet or other public networks to transmit packet data privately. one of the functions of vpn is security in communicating or in exchanging data, nor does it allow other parties to infiltrate traffic (network traffic) that is not appropriate.

VPN is a private internet form through the public network (internet), emphasizing data security and global access via the internet. This relationship is built through a virtual tunnel between 2 nodes.

VPN Connecting a PC with a public network or the internet is private, because it is private, not everyone can connect to this network and access it. This is done to maintain security in the exchange of data or information.

How VPN Works ?

To better understand the concept of VPN, we need to know how the working principle of VPN. Basically, VPN works in a way as if making a network within the network or commonly called a tunnel (tunnel). This tunneling is used to create private routes using third party infrastructure. VPN itself uses one of the three existing tunneling technologies, namely: PPTP, L2TP, and Internet Protocol Security (IPSec). VPN is a combination of tunneling and encryption technology, making it safer than a normal internet connection.

The VPN server will send a new IP address on the customer's computer and then a connection will be formed.

Usefulnnes Of VPN

1. Confidentially

VPN technology is a technology that utilizes public networks which is certainly very vulnerable to data theft. For this reason, VPN uses an encryption method to scramble data that passes. With the encryption technology, data security is guaranteed. Although there are parties who can tap data that passes through the internet even the VPN path itself, but not necessarily able to read the data, because the data has been scrambled. So, confidentially it is intended that the information transmitted can only be accessed by a group of entitled users.

2. Transactions in the internet network are safer

If you often make large amounts of transactions such as through e-banking, stock or forex sites, then using VPN, your transactions and data will be far more private and less vulnerable to hacker attacks.

3. Origin Authentication

VPN technology has the ability to authenticate the sending of data sources to be received. VPN will check all sources of information from all data sources. Then, the address of the data source will be approved if the authentication process is successful. So, VPN guarantees all data sent and received comes from the source that is supposed to. No data is falsified or sent by another party.

4. 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 little by others and can also be connected directly to the flow of data flowing on the internet, which can increase download speeds.

5. Remote Access remotely

With VPN we can access a computer or office network, from anywhere as long as it is connected to the internet such as to retrieve data, open e-mail or databases and so on.

6. Open access to blocked / censored sites

VPN can also be used to access blocked sites or censored content by hosts or ISPs that are usually related to state or office regulations such as blocking social media sites during working hours, blocking FB sites in some countries and so on.

That's the benefits and understanding of VPN, hopefully useful !.