The VPN or the Virtual Private Network is a service is an option that has gained immense popularity all over the world. The Windows VPN service provider offer an alternative to a dedicated personal network connection for the different corporate offices across the globe. Actually, VPN is a private network built upon the Internet network having public access. It uses the different security means and the encryption followed by the public network. This in turn helps in maintenance of the organizational secrecy and keeps the information private. This is one of the reasons why VPN is also referred as Internet VPN.VPN has even facilitated the different companies to get connected to the office servers from places other than office. Now, you must be curious to know about how to VPN? It is the Point-to-Point Tunneling Protocol (PPTP) in the VPN servers enables the users of Windows or Mac to log on to the Power Elf Servers, no matter, which part of the world they belong to. This is done by creating a secured connection of 128-bit encryption through the PPPT from the local computer to the VPN servers. You can well consider the connection to be absolutely secured as the data and both the addresses of the source network and the destination are in encrypted form.It is the Internet through which the virtual connections of VPN work and get connected with the remote networks and sites. Thus, no interruption is caused to the users during the time of accessing the network. Therefore, the VPN is slowly emerging as a great means to get connected to the network of the office or to the LAN.The features that strongly make way to the security attributes of VPN and the major elements include the firewall protection, the encryption, and the passwords. They provide a set of security methods to the entire system. The commonest form of VPN happens to be a remote access VPN. This provides assistance in creation of a secured tunnel joining the office server to your system.The Virtual Private Network also has great utility in the countries, which practice Internet censorship. Let’s take the instance of China, which has more Internet users than the entire US population. They frequently access the YouTube, the Facebook and even the Wikipedia but the worst part is that there are limitations set by the communist government and people are not allowed to access the website of their choice. It is the Great China Firewall; they need to cross in order to do so. Hence VPN comes to their help. With the help of it they have full access to the net but minus he risk of getting tracked. So, it can be considered as an answer to your query about how to unblock websites?Alonweb offers a free VPN service and offers an open VPN tunneling service constituting a Secure Socket Layer. It has several servers to choose from and it comes completely free. It will surly make the users feel save over the net. The free VPN service is generally offer connection to the users via two servers and though they have some limitations but still it is quite beneficial to all the users.