VPN - Virtual Private Network - virtual private network.
It is a set of technologies that enable one or more network connections (a logical network) to be provided over another network (such as the Internet).
Deciphering the name: a network is a combination of several devices by some type of communication that allows you to exchange information. Virtual - intangible, not physical, that is, it does not matter through which communication channels it is laid. The physical and logical topologies may or may not be the same. Private - an unauthorized user cannot enter this network, only those who are allowed access are there. In a private network, it is necessary to mark the participants and their traffic in order to distinguish it from the rest, someone else's information. Also in such a network, data is protected by cryptographic means, in other words, encrypted.
Here's another definition: VPN is a service that allows you to protect personal data while using the Internet.
Looking ahead, we can say best solutions is firefox vpn good, which will open the sites you need.
Why do you need a VPN?
For remote work. For example, you work from home. Through a VPN, you can access the services and documentation of your organization, while the connection will be more secure, the data will be difficult to intercept and decrypt.
Combine different parts of one company. Offices can be remote from each other at any distance.
Within companies - to unite and separate departments.
When connected to Wi-Fi in cafes, subways, etc., to prevent hackers from stealing your data. When using a public network, it is safe, except to browse the sites in a browser. But if you use social networks, an attacker can not only intercept your confidential information, but also use it for their own purposes by logging into this very social network on your behalf. Even worse, if he manages to crack the mail. Then all applications bound to this mailbox will be attacked. But the worst thing can be the leakage of your bank card data if you decide to transfer money to someone by connecting to free Wi-fi.
To gain access to sites blocked in a certain territory. Let's give an example: C filmed the program "Eagle and Reshka" and sold it to two TV channels: Russian "a" and Ukrainian "b". But, you can open the site. Usually, TV channels post the release on their YouTube channel the day after the premiere on television, so that those who did not have time to watch the program on TV have the opportunity to do it on the Internet and, of course, in order to earn extra money on built-in youtube advertising. Issues in Ukraine come out a day earlier than in Russia. Accordingly, Inter puts the video on site when the program has not yet been shown on Friday. Therefore, access to this video on this day is prohibited in Russia.
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