What is VPN?

What is VPN?

Virtual Private Network (VPN) is the network technology that builds a secure network connection across a public network like Internet. That computers and devices connected to the VPN permit them to transfer the information securely through the encrypted tunnels created by the VPN. All of the network traffic is sent over a safe connection to the VPN, keeping the information and data safe and secure. Much like a firewall that protects the information on your computer. Read More: Top 10 best VPN to access blocked website 2016

How does VPN work?

How a VPN Works and What It Does for You

What is VPN VPN is short for Virtual Private Network. Think of your home network, or your office network, as private networks. Through a VPN connection, your ...

Connecting to a Virtual Private Network is usually simple. It’s essential to launch a VPN client on your computer and login utilizing the credentials. The computer then transfers secure, trusted key with the VPN server located in a different country. In authentication of the VPN client-server connection, all of your Internet communication is encrypted and safe. All your Web traffic is now routed via the encrypted tunnel created by the VPN. Some users real IP address is kept hidden and a current IP address is granted whichever permits the user to hide the physical location and bypass the content filters.

Types of VPNs

Primarily, VPNs are of two kinds, particularly, Remote Access VPN and Site-to-Site VPN.

Remote Access VPN

What is VPN

When we discuss Remote Access VPN, we’re talking about giving someone access to an existing non-public network over the internet. The private network could be a network setup by some corporate organization equipped with database and network related to the organization or any of their project.

The remote access normally relies on each IPsec or (SSL) Secure Sockets Layer to defend the connection, while SSL VPNs are often concentrated on providing the safe access to a single application, somewhat than to the entire internal network. Some VPNs present Layer 2 access to the target network; these require a tunneling protocol like PPTP or L2TP working across the base IPsec connection.

Site-to-Site VPN

The word ‘site’ in this case refers to the physical location where a private network exists. It’s also known as LAN-to-LAN or Router-to-Router VPN. That type two or more private networks in many parts of the world are connected to each other over the network, every serving as one single virtual non-public network on the internet.

Benefits of using VPN

  • Permits you to be at home and access your company’s computers in the same way, as when you have been sitting at work.
  • Wherever you have VPN client software on a laptop, you can connect to your company from wherever in the world.
  • Almost impossible for somebody to tap or interfere with data in the VPN tunnel.

Disadvantages of VPN

Aside from all the right things VPN does for us, that has its weak sides too. Not having a streamlined process for ensuring Quality of Service (QoS) over the internet, is the most significant incapacity VPN technology has in its possession. Moreover, the level of safety and authenticity outside the private network is beyond the purview of VPN technology. This incompatibility between many vendors only adds to its bunch of disadvantages.


Full data encryption is a primary element in a VPN. By a VPN, all traffic between the two computers is encrypted and isolated for a secure tunnel.
Encryption for devices connected to a VPN operates beyond simple web browsing. It contains VOIP communication, Skype, emails – something that makes use of an online connection. This provides you more comprehensive safety than a proxy server, which is limited to only shielding your web browsing activity.


If you’re simply getting started with VPNs and need a basic VPN for utilizing on public Wi-Fi hotspots, there are a few good, easy options.

Corporate giants have always admired the ease and uniformity they will engineer in their network whereas utilizing VPN. Although it has its limitations, however, VPN has outperformed our expectations. We should praise VPN for the cost effectiveness it gives in its operations.

We hope you enjoy the article What is VPN? Stay tuned for more updates.

Read Next ⇒ What is LAN, WAN, VPN

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