What is a VPN: What is it for and how does it work

Want to easily browse blocked sites and ensure Internet security? Be brave enough to install a VPN. In this article, we’ll explore what a VPN is and how it helps protect your data.

VPN (Virtual Private Network) is a technology that allows you to route a virtual cable over the Internet to your remote network (server).

When you connect to your router at home via Wi-Fi, you are on your home network,” explains web developer Denis Kulandin. – But if you have a VPN server configured on your router, you can access your home network from far away from home. And, for example, connect to your home printer and print something on it as if you were working from home. It goes without saying that you will also go online as if you were on your home network.

How it works

VPN works over the Internet. This means that you can connect to it from anywhere. The principle of the technology is to create a secure connection over the network (it can be called a tunnel between the computer and the server). The connection encrypts and secures the data being sent.

According to Roskomsboda, at the moment of a writing of article in Russia more than four million sites are unreasonably blocked.

VPN-protocols use several encryption protocols (MD5-HMAC, RSA), and 2048-bit keys allow carrying out encryption of all data.

Advantages of VPN

  • You can view any blocked sites in your country.
  • Protection against hijacking logins or passwords at public WI-FI points (the fact is that traffic over open wireless networks can be easily hijacked).

What free VPN services are worth using, Greenhouse already mentioned in the video tutorial. According to Denis Chernityev, a web developer, paid VPN’s are less likely to steal data, and they are more stable and faster. The edition of the Greenhouse recommends the following paid VPN services: Open VPN, Private Internet Access. Download SuperVPN here and enjoy.

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