VPN is short for Virtual Private Network and is really a technology that creates an encrypted secure connection over a less secure network just like the Internet. The benefit is that it offers the security that the network which it really is based cannot provide. It uses the internet to move data. Many such networks can be developed by using different systems incorporating encryption and other security mechanisms to ensure that only authorized users can access the network and information cannot be intercepted by the others. It is like a tunnel created to transmit data between a network of say a business and a remote user. It hides your computer data and IP address.

VPN Protocols

The primary VPN network protocols are:

IPSec – Developed by the Internet Engineering Task Force, to secure exchanges of data at the IP layer. It really is widely used for creating VPNs

PPTP- Point to Point Tunneling Protocol for VPNs developed jointly by Microsoft, US Robotics and several remote access vendor companies. It is now obsolete because of security concerns

L2TP – Layer 2 Tunneling Protocol can be an extension of the PPP Protocol (PPP, which establishes connectivity between 2 nodes or computers) L2TP allows ISPs to use VPNs

SSL – Secure Sockets Layer may be the commonly used one nowadays that may be used with a standard web browser. Unlike IPSec, it does not require installing specialized client software on the end user’s computer.

Benefits of VPN

� Security and prevention of data theft

� Uncensored Internet access

� Unblocking ability for sites

� Keeping away data trackers by maintaining your browsing history private

� Supports popular p2p protocol like BitTorrent

Drawbacks of VPN

VPN slows down your web. The factors affecting the speed are the number of people utilizing the VPN and the geographical location.

Who uses it?

It is used on an individual level – Consumers work with a private VPN service or tunnel to safeguard their identity and online activity. This is especially relevant whenever we use public wifi which may not be secure. You may use anonymous VPNs, which serves as a privacy buffer between you as well as your ONLINE SITES Provider, who otherwise has usage of your web usage patterns. vpn dazn are used extensively by BitTorrent users.

Corporates use it to communicate in confidentiality video, voice or data over a public network. Additionally it is an excellent option when employees are scattered all over the world. VPNs help connects global offices. Corporates either work with a VPDN which helps connect to an organization LAN through dial up or site-to-site- VPN where dedicated hardware can be used for connecting multiple sites to the business LAN.

Just how many countries support VPNs?

114 countries on the planet provide VPN networks.

How much does it cost?

It costs less than ten dollars per month, ranging from four to seven dollars monthly.

What is free VPN

VPN that does not set you back anything in advance. Most free VPN services offer only PPTP which is considered obsolete. Also, since it is free, you will see a large number of users logging in resulting in lack of bandwidth for all. Bandwidth which includes to be bought could be afforded by paid VPN services who use their profits to get more ba