The Different Types of VPN Protocols
VPNs (or Virtual Private Networks) are rapidly increasing in popularity and usage. As more of our personal and business lives take place on the internet and via email, there is an increased need to protect and look after our data and traffic as it could easily fall into the wrong hands. This is where VPNs come in. Virtual Private Networks allow users to transmit their data safely and securely over the internet. They are not, however, the same as a private network. When you use a VPN you are still sharing data over a public network (the internet) but it is ‘virtually private’ because the data and traffic is encrypted. If someone manages to take control of your data while you are using a VPN they will not able to understand or do anything with it. VPNs can be particularly useful to businesses that may need to connect to customers, employees and different companies in a secure way.
One of the most common types of VPN is a remote-access VPN, which can also be known as a PPTP VPN. A PPTP VPN is one that utilises a ‘Point-to-Point Tunnelling Protocol’. It allows remote users to connect to a private network and is often used by remote employees to connect to their company’s network securely. This type of protocol uses the already established internet connection to connect to the VPN through the use of a logon and password. The user will generally have to install software on their computer in order to use this particular type of protocol.
IPsec is a protocol that is similar to PPTP, as it is good for remote access. IPsec is based on IP addresses; only ones that are allowed can access the network. It is based on software that is installed on a user’s computer … Read the rest