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 on which it is based cannot provide. It uses the internet to transport data. Many such networks can be developed by using different systems incorporating encryption and other security mechanisms to make certain only authorized users can access the network and information cannot be intercepted by the others. It really is like a tunnel built to transmit data between a network of say an organization and a remote user. It hides your computer data and IP address.
The main VPN network protocols are:
IPSec – Developed by the Internet 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 several 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 is the commonly used one nowadays and this 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
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 maintaining 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 will be 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. That 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 access to 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. Additionally it is a good option when employees are scattered all over the world. VPNs help connects global offices. se formel 1 either use 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 planet provide VPN networks.
How much does it cost?
It costs 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 in advance. 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 leading to lack of bandwidth for all. Bandwidth which includes to be bought could be afforded by paid VPN services who use their profits to purchase more ba