What is a vpn? And what is it for?

On many occasions, we hear about VPNs and the benefits they can contain for web browsing and today we will delve further into the topic to explain everything to minors in the virtual private network that contributes to establishing a connection to other computers. in a safe way.

What is a VPN and what is it for?

The first thing we must understand is the real concept of the virtual private network, which is basically a secure private browsing network that allows computers and devices to connect through an Internet extension, without being linked to the network, allowing a secure transmission of data.

To get a clearer idea, imagine two remote offices that require data or information to be transmitted and for this, it is necessary to connect the equipment to a VPN network through an Internet extension, that is, through the Internet but without involving third parties, since it is not a public network.

What types of networks exist?

This connection can be made by remote access, by wired connection, through a term called Tunneling (Tunnel by SSH) or via internal network (LAN). So below we explain a little of what each connection means:

• The connection by remote access, is perhaps the most used method, since it allows to shorten the distances that the involved teams could have, which likewise use the Internet as a coded service extension where users can access and communicate. The wired connection is more used for the transmission of information within an office or headquarters of any company, its operation is more expensive than the connection by remote access, since it is necessary to establish a highway of cables that are distributed throughout nodes and in turn reach the servers or the central internet power. Tunneling, refers to the creation of a navigation tunnel within another VPN connection, it is also called as an encapsulating network protocol, this allows creating new private network connections within existing ones, for example to redirect unmodified IP its content, you can also send information simultaneously to different teams. LAN connection, works as a filter of connections to the network, for example: information of great importance from a company that only the owner of the area has the possibility of obtaining, but which can also be transmitted with other equipment via VPN, this also allows to further secure Wifi connections.

In summary, the virtual private network works as a "connector" for more than two computers that are equidistant from which can only be accessed by means of a user and password that will be determined when creating the system; How the VPNs work will determine which of them you should use, but in the end they have the same pattern.

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This tool facilitates the remote connection between two computers, which is why the technical service or systems department can access the other computers without the need to be present.

This connection method is the most widely used today and not only can you connect PC or laptop computers, but devices from any operating system can access these VPNs, where you can connect to a Wifi network without running the risk of being intercepted. or that the security of the information that is transmitted is violated, there are even applications that provide a VPN service for mobile devices.

As you will see, the benefits of VPNs are of total benefit for companies with one or more sites, so if you need to connect a branch of equipment with certain access systems this is the best and most used option.