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 benefit is that it offers the security that the network which it is based cannot provide. It uses the internet to transport data. Many such networks can be created by using different systems incorporating encryption and other security mechanisms to ensure only authorized users can access the network and information can’t be intercepted by the others. It is like a tunnel created to transmit data between a network of say an organization and a remote user. It hides your data and IP address.
VPN Protocols
The main 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 many remote access vendor companies. It really is now obsolete because of security concerns
L2TP – Layer 2 Tunneling Protocol is 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 and this can be used with a standard browser. Unlike IPSec, it generally 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 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 whenever we use public wifi which might not be secure. You should use anonymous VPNs, which serves as a privacy buffer between you and your Internet Service Provider, who otherwise has usage of your internet usage patterns. ver formula 1 en directo gratis are used extensively by BitTorrent users.
Corporates utilize it to communicate in confidentiality video, voice or data over a public network. Additionally it is a good option when employees are scattered around the world. VPNs help connects global offices. Corporates either work with a VPDN which helps hook up to an organization LAN through dial up or site-to-site- VPN where dedicated hardware can be used to connect multiple sites to the business LAN.
Just how many countries support VPNs?
114 countries on the globe provide VPN networks.
How much does it cost?
It costs significantly less than ten dollars per month, which range from four to seven dollars monthly.
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 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