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 provides the security that the network on 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 built to transmit data between a network of say an organization and a remote user. It hides your 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 trusted for creating VPNs
PPTP- Indicate Point Tunneling Protocol for VPNs developed jointly by Microsoft, US Robotics and several remote access vendor companies. Formule 1 live 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 can be used with a standard web browser. Unlike IPSec, it does not require installation of specialized client software on the finish 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 internet. 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 protect their identity and online activity. This is especially relevant whenever we use public wifi which might not be secure. You can use anonymous VPNs, which serves as a privacy buffer between you as well as your ONLINE SITES Provider, who otherwise has access to your web usage patterns. VPNs are employed extensively by BitTorrent users.
Corporates utilize it to communicate in confidentiality video, voice or data over a public network. It is also a good option when employees are scattered around the world. VPNs help connects global offices. Corporates either use a VPDN which helps hook up to a company LAN through dial up or site-to-site- VPN where dedicated hardware is also used for connecting multiple sites to the business LAN.
Just how many countries support VPNs?
114 countries on earth provide VPN networks.
How much does it cost?
It costs less than ten dollars per month, which range from four to seven dollars per month.
What is free VPN
VPN that does not set you back anything up front. Most free VPN services offer only PPTP that is considered obsolete. Also, because it is free, you will have a large number of users logging in resulting in lack of bandwidth for several. Bandwidth which has to be bought can be afforded by paid VPN services who use their profits to purchase more ba