VPN is an abbreviation for Virtual Private Network, a technology that creates secure encrypted connections over insecure networks such as the Internet. The advantage is that it provides security that the underlying network cannot provide. Transfer data using the internet. Many of these networks can be created using a variety of systems, including encryption and other security mechanisms, ensuring that only authorized users can access the network and others cannot intercept the information. It’s like a tunnel built to transfer data between your organization’s network and remote users, for example. Hide data and IP addresses.
VPN protocol

The most important VPN network protocols are:

IPSec-Developed by the Internet Technology Commission to protect data exchange at the IP layer. Widely used to create VPNs.

PPTP: A point-to-point tunnel protocol for VPNs Passwarden by KeepSolid co-developed by Microsoft, US Robotics, and several remote providers. Due to security concerns, it is now obsolete.

L2TP: Layer 2 Tunneling Protocol is an extension of the PPP protocol (PPP that establishes a connection between two nodes or computers). L2TP allows ISPs to operate VPNs.

The SSL-Secure Sockets Layer is commonly used today and can be used with standard web browsers. Unlike IPSec, there is no need to install dedicated client software on the end user’s computer. Benefits of VPN

Data theft security and prevention

Uncensored internet access

・ Ability to unblock websites

Keep your browsing history private and keep your data trackers away

Supports popular p2p protocols like BitTorrent

Disadvantages of VPN

VPN slows down your internet connection. Factors that affect speed are the number of people using the VPN and their geographic location.

Who is using it?

Personal use: Consumers use private VPN services or tunnels to protect their identities and online activity. This is especially relevant when using public Wi-Fi, which may be insecure. You can use an anonymous VPN. It acts as a privacy buffer with your internet service provider. Anonymous VPNs can access Internet usage patterns. BitTorrent users make heavy use of VPNs.

Enterprises use it to convey sensitive information over video, audio, or data over public networks. It’s also a great option if your employees are distributed around the world. VPNs help connect offices around the world. Enterprises use VPDN to help them connect to their corporate LAN via dial-up or website-to-website VPN. In this case, use dedicated hardware to connect multiple websites to your corporate LAN.
How many countries support VPN?

114 countries around the world provide VPN networks.


It’s less than $ 10 a month and ranges from $ 4 to $ 7 a month. What is a free VPN?

A VPN that doesn’t cost you in advance. Most free VPN services only offer PPTP, which is considered obsolete. It’s free, so thousands of users sign up and everyone runs out of bandwidth. Bandwidth to buy can be provided by a paid VPN service that uses revenue to buy more bandwidth.