Computers and the Internet have become major sources of information transfer and processing. Most of the information on the Internet is open to all users, many companies provide their employees with the Internet, makes protection of corporate traffic.
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A VPN can provide a reliable and organized service between a company's computers. It is also able to transfer company IP traffic using secure protocols. The Summary comes from Virtual Private Network.
Modern VPN enables connections to local computer networks using dedicated channels and shared Public Internet.
Privacy is protected using an encrypted protocol or Internet Protocol Security (IPSec). In addition to most common Internet Protocol Security (IPSec), PPTP encryption technology is also used to create VPN encryption technology PPTP.
Virtual private network - VPN
Their high reliability is provided by the firewall, which stands at the outlet of the local area network. The access server directs the work VPN. It produces secure client access, scrolling and remote access.
Classification
In modern era VPN can be created based
● Firewalls, which provide transfer and encryption of data;
● Creation of secure channels using routers;
● Software Solutions;
● OS;
● Special hardware.
The type of used environment is split into secure VPN, which includes IPSec, OpenVPN and PPTP VPN on the network of trust. Appointments are split into
● Intranet VPN, which integrates multiple corporate local networks;
● Remote Access VPN connection of single user to a business network
● Extranet VPN supports external users (customers).
In addition to strong encryption, data transfer speed is a very important factor. When all network components are configured correctly, VPN technology provides high data protection from unauthorized access and each user has a different login and password entry.
Practical application
A VPN allows you to build a virtual network, but computers are not physically connected with each other.
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The easiest way is to create an analog of a local network between computers for users from different countries and continents. The only downside is that such a network will not work without an Internet connection.
But today, many online operators offer you continuous and advanced access to the World Wide Web. This is at the forefront of building local networks and careful planning of corporate networks.
At this stage, this guide is very popular, with more and more companies paying attention to their VPN and all of its properties. Of course, investment will be an important part of the success and quality of such technology.
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