VPN is short for Virtual Private Network and is a technology that creates an encrypted secure connection over a less secure network like the Internet. The power is that it offers 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 created by using different systems incorporating encryption along with other security mechanisms to make sure that only authorized users can access the network and information can’t be intercepted by the others. It really is like a tunnel built to transmit data between a network of say a business and a remote user. It hides your computer data and IP address.
The primary VPN network protocols are:
IPSec – Developed by the web Engineering Task Force, to secure exchanges of data at the IP layer. It is widely used for creating VPNs
PPTP- Point to Point Tunneling Protocol for VPNs developed jointly by Microsoft, US Robotics and many remote access vendor companies. It really 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 operate VPNs
SSL – Secure Sockets Layer is the commonly used one nowadays that can be used with a standard browser. Unlike IPSec, it generally does not require installing specialized client software on the finish user’s computer.
Sport Formel 1 of VPN
ï¿½ Security and prevention of data theft
ï¿½ Uncensored Internet access
ï¿½ Unblocking ability for sites
ï¿½ Keeping away data trackers by keeping your browsing history private
ï¿½ Supports popular p2p protocol like BitTorrent
Drawbacks of VPN
VPN slows down your web. The factors affecting the speed are the number of people using the VPN and the geographical location.
Who uses it?
It is used on a person level – Consumers use a private VPN service or tunnel to safeguard their identity and online activity. This is especially relevant when 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 Internet Service Provider, who otherwise has usage of your web usage patterns. VPNs are used 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 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.
How many countries support VPNs?
114 countries on the globe provide VPN networks.
How much does it cost?
It costs less than ten dollars per month, ranging from four to seven dollars per month.
What is free VPN
VPN that does not cost you anything in advance. Most free VPN services offer only PPTP that is considered obsolete. Also, because it is free, you will see thousands of users logging in leading to lack of bandwidth for all. Bandwidth which includes to be bought can be afforded by paid VPN services who use their profits to get more ba