If you are tired of being unsecured from hackers and have security issues then VPN is for you. VPN is actually Virtual Private Network and it’s a technology that creates a secure connection over public internet such as public WI-FI hotspots and is owned by private service providers.
Everyone’s life revolves around internet and its uses. They are faced with problems of security over internet because whether you are doing any business, studying or doing online shopping you cannot escape the use of the internet.
A VPN has resolved the security issue problems for everyone and you can easily protect yourself from criminals and hackers.
Functioning of VPN
Virtual private network technology enables the users to remain connected to internet securely and without any fear. VPN works in the same way as a WAN that is wide area network.
Virual Private Network connects to multiple sites over a large distance area and therefore distributes information to far off areas. By using VPN businesses are extended by using resources for employees whether they are at the office or at their homes.
In the same way universities and colleges use VPN to connect their campuses that are distributed around the country or the world. It is very convenient for all the educational institutions and business platform to remain connected securely.
Gaining Connection to VPN
Getting VPN connection is very easy. Many service providers are offering their services at reasonable cost. Although you have to make it sure that you are using best and reliable VPN service because all those claims may not be true.
When getting connected to private network, the user is provided with a unique id and password for identification and authenticity.
With this password and id, a specific PIN number is also provided to the user which he must enter to gain access to the private network. This PIN number is unique in a sense that it does not remain same but changes with the frequency every 20-30 seconds and so.
Protocols of VPN
VPN secures everyone’s identity by encryption. It changes the actual IP address into another which nobody can identify. It hides the real identity of the user.
It also works on a number of protocols that are used to secure the data of internet traffic over public networks. One of these protocols is IPsec which secures the connection and encrypts the entire data.
Others are Secure Sockets Layer (SSL), Transport Layer Security (TLS), Layer 2 Tunneling Protocol (L2TP) and Point-To-Point Tunneling Protocol (PPTP). PPTP is the most widely used because of its easy configuration and maintenance. All these protocols require certification.
Pros and Cons of VPN
VPN is very cost effective and best way to secure internet connection. It is best for business and education purposes as it internet is the basis of communication with the world.
The total cost of VPN is insignificant as compared to its uses. Its total cost also includes hardware and software charges and any additional service involved. It’s the ideal choice since it provides flexibility and security to users with fast speed.
There are few cons of a VPN. Quality service may not be sufficient and there may be performance issues. Their claims for protection may not be true but still VPN is very popular because of its added advantages.