Virtual Private Network, a secure network across the Internet (Virtual) where the data is sent encrypted (private).
Software agent that performs a function or operation on behalf of another application or system while hiding the details involved.
Some companies can provide only VPN\proxy account. HqHost.net is one of them.

VPN technology is based on the idea of tunneling that involves establishing and maintaining logical network connection. With this connection, packets constructed in a specific VPN protocol format are encapsulated within some other base or carrier protocol, then transmitted between a VPN client and server, and finally de-encapsulated on the receiving side. No one can tell your real IP address or identify your locality. All the programs installed on your computer will be working automatically via VPN, which is the main difference between VPN and proxy server, requiring software support for proxy connection.

Why choose VPN?

• You can hide your real IP-address;
• Your provider won't monitor your online activity;
• You can protect your passwords and other identity information that you send online;
• You can integrate a few networks into a common information space (for example, your company that has branches in other cities).

OpenVPN is an SSL/TLS based virtual private network solution. It uses the industry standard SSL/TLS protocol to create the encrypted tunnel which can transmit packets of OSI layer 2 or 3. Pay attention to not confuse OpenVPN which many vendors call SSL VPN. As a real SSL VPN, OpenVPN has the ability to tunnel all your traffic from OSI layer 2 on, so even ARP traffic can be transmitted to the remote endpoint.

The main advantage of this type of VPN is the ease of use. Since OpenVPN is an application on both sides of the tunnel, it runs of course in user-space instead of kernel space. Therefore it does not even need modifications of the kernel and furthermore minimizes the opportunity for catastrophic failure which is certainly higher for software which runs in kernel space. This makes the whole A LOT easier to introduce in a network. In fact wherever you manage to establish a normal TCP or UDP connection, like from a browser to a server, you can use OpenVPN. There is no need for NAT traversal or the like. We strongly encourage you to use OpenVPN instead of IPSec if you can choose. The only argument which comes to our mind for using IPSec is interoperability to other vendors.
Figure of a VPN used OpenVPN as mixed VPN constisting of roadwarrior and net-to-net in hub-and-spoke topology

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