What is VPN? and why do i need it -The full form of VPN is Virtual Private Network. It establishes a safe link between your network and another one on the Internet. Most people use VPN primarily to access region-blocked sites, protect data privacy, and protect themselves from being traced while browsing sensitive content.
In this post we will know about all information related to VPN such as: what is VPN, How does VPN work, How to use VPN, How to use VPN, Types of VPN, How many types of VPN, How can VPN help you, What are the advantages of using VPN, Disadvantages of using VPN, Is VPN secure, if you know all these things you will have no more doubts about VPN.
These days, using a VPN is fairly common. VPNs weren’t created for the reason so many people use them now, though. To safely connect business and commercial private networks, VPNs were developed.
VPNs forward your network traffic through another network. Almost all OS systems enable VPNs natively.
Table of Contents
How does VPN work?
If a website is blocked by the ISP then you will not be able to access that website, the ISP will block you.
Many times the government of a country has to block various websites for various reasons.
If the government of a country asks the ISP to block a particular website then you will not be able to access that website.
You can access that website using VPN. But how? For this you need to connect to a VPN server located in other countries.
Because ISP companies block websites but not VPNs. So you can easily connect to VPN from other countries.
Since the VPN server you will connect to is located in another country. If the website is not blocked by the government of the country where the VPN server is located, then the VPN server can easily visit that website.
Now the VPN needs to request the server to set the website you want to visit.
The VPN server will visit your requested block website. And will transfer the data of that website to your phone. Then you will see them.
The ISP won’t be aware of the website you visited. Because your data is transferred through the VPN server.
You can visit any site blocked by ISP with the help of VPN. For example, if Facebook is blocked in your country, you can access Facebook using a VPN.
How to use VPN?
You can build and utilize a VPN server yourself if you’re very careful about how you conduct yourself online. To escape the inconvenience, however, the majority of consumers employ a variety of third-party services. The top-rated services among them are safe to use. The majority of companies offer both free and premium VPN plans.
If you use VPN occasionally, the free plan will be enough for you. And you might choose an excellent premium plan if you need to utilize it frequently for work-related activities. Paid plans usually don’t have ads and have more servers and faster speeds. A few additional perks are also included in the premium plan.
For using virtual private networks, almost all VPN companies offer desktop, Android, iOS, and browser extensions. These services frequently cross platforms. They are likewise incredibly simple to use. Just sign up on their website.
Samsung Max (Free), Express VPN, Touch VPN, Guard VPN,, Nord VPN and etc. are a few well-known VPN companies. You may determine the reliability of a service by looking at the number of users, reviews, and ratings if you search for VPN in Google or the app store on your device. On top of that, Opera’s desktop browser offers a free, limitless VPN service. What is VPN? and why do i need it
What is VPN used for?
Browse geo-restricted content Country-specific content on video and audio streaming sites can be browsed from any country via a Virtual Private Network (VPN). For instance, you cannot access the Spotify website from Bangladesh to listen to music. However, if you so choose, you can access the Spotify service from Bangladesh by connecting to a server with an IP address from the US or another country where it is offered.
How many types of VPN?
There are many types of VPN for internet users. Each VPN offers more or less security to the users. If you know about all the categories then it will be very beneficial to use VPN as per your need. Below is the pokpok of the VPN. What is VPN? and why do i need it
1. Point-to-Point Tunneling Protocol (PPTP):
By establishing a virtual private network (VPN) over a TCP/IP-based data network, the Point-to-Point Tunneling Protocol (PPTP) is a network protocol that permits the secure transport of data from a remote client to a private company server.
2. Secure Socket Tunneling Protocol (SSTP):
Secure Socket Tunneling Protocol (SSTP) is a form of virtual private network (VPN) tunnel that provides transport of PPP traffic over an SSL/TLS channel. … protocol used by Windows Azure for point-to-site virtual networks.
3. Layer 2 Tunneling Protocol (L2TP):
In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used as part of a virtual private network (VPN) or service delivery by an ISP.
4. Secure Socket Layer (SSL) and Transport Layer Security (TLS):
Transport Layer Security, the successor to the now defunct Secure Sockets Layer, is a cryptographic protocol designed to provide security for communications over a computer network.
5 Remote Access VPN:
A remote access VPN means your employees can log into your office network from anywhere – home, travel, transit – that has internet access.
6. Site-to-Site VPN:
A link between two or more networks, such as a corporate network and a branch office network, is known as a site-to-site virtual private network (VPN).
7. Internet Protocol Security or IPSec:
In computing, Internet Protocol Security (IPSC) is a secure network protocol suite that authenticates and encrypts packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. It uses Virtual Private Network (VPN).
8. Secure Shell (SSH).
A cryptographic network protocol called Secure Shell is used to safely manage network services over unsecure networks. Common applications include remote command-line, login, and remote command execution, but any network service can be secured with SSH.
How can VPN help you?
When you connect your device to a VPN, it attaches itself to another computer (server) and creates a secret path or tunnel for your connection to the Internet. Even if your Internet Service Provider (ISP) recognizes the presence of this tunnel, it cannot enter it.
The ISP won’t be aware of the website you are visiting or the data you are sending as a result. Then, if a website is restricted by your ISP or country, you can still access it by utilizing a VPN. And while utilizing a VPN, all of this data is encrypted. What is VPN? and why do i need it
What are the advantages of using VPN?
- Data can be exchanged securely by using a VPN.
- Anyone trying to find you will be unable to do so if you use a VPN.
- Using a VPN makes it less likely for hackers to get caught because a VPN hides your IP address.
- If you use VPN your net speed will not have any problem. You will get the internet speed from the IPS of the internet service provider
- You can visit any site blocked by ISP with the help of VPN. For example, if Facebook is blocked in your country, then you can access Facebook using a VPN.
- Using a VPN will keep you completely safe online. VPN is used as a method to secure communication and encrypt data. VPN hides all your data from the public domain with speed. Also, it doesn’t keep any track of your browsing history.
Disadvantages of using VPN :-
- Everything has its advantages and disadvantages, among them are some disadvantages of using VPN.
- The biggest disadvantage of VPN is that torrent files cannot be downloaded using VPN. Internet is required to download torrent files.
- Different VPN apps can grab different information about your device with different permissions.
- Due to the use of VPN, one’s location moves to another country again and again, visiting different freelancing sites while connected to VPN can cause account problems.
- Using AdSense related services by connecting VPN may cause account problems.
- Everything you do and don’t do on the Internet can be tracked by VPN companies.
To keep your information safe
If other users on the same network are knowledgeable of this, they may be able to track your surfing activity if you utilize free Wi-Fi hotspots in public locations. You’ll be saved in this situation by a virtual private network (VPN). Anyone snooping on your WiFi connection, even your ISP, won’t see anything but a private network if you use a VPN to connect. It won’t be possible to access any data that passes through it.
To hide your real location
VPN will provide you the advantage of using the internet while hiding your real location from websites so that you can avoid being tracked by them. You may also be aware that the Chinese government blocks a lot of websites, including Facebook. By employing VPNs to access certain websites when necessary, the Chinese have access to the entire Internet. What is VPN? and why do i need it
To protect your privacy while torrenting
To prevent tracking when downloading files through torrents, use a VPN. Your ISP could sluggish your connection even if you pirate and download lawfully out of concern for excessive traffic. A VPN will enable you to do so in that situation. What is VPN? and why do i need it
Is VPN secure?
Security in the virtual world is elusive. Nothing is completely safe. But many trust the popular VPN service providers in the market. Having your own VPN network isn’t bad either – although in many cases it can seem like “more bang for the buck”. What is VPN? and why do i need it
It’s possible for your data to be exposed by a VPN network that is malicious or compromised. Many businesses advertise free, limitless VPN access, but these claims might be misleading if you’re not attentive. Therefore, you need to perform some research. What is VPN? and why do i need it
Have you ever used a VPN? In your opinion, which company’s VPN service is the best and safest?