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An overview of Virtual Private Network (VPN) - SmrityComputer Networking solutions

An overview of Virtual Private Network (VPN)

  • Update Time : Wednesday, January 26, 2022
  • 829 Time View

A Virtual Private Network (VPN)

A Virtual Private Network (VPN) provides online privacy and anonymity by concealing your IP address and converting your public internet connection into a private network to make your identity and online activities almost untraceable. Most crucially, VPN services provide private and encrypted connections that give more privacy and security while also allowing users to circumvent internet restrictions enforced by the government, ISPs, or any other organization or individual banning websites. 

Benefits of Using a VPN

Using a VPN service will provide you with various advantages. These are the following: 

  • Securing your network: 

The capacity of businesses to appropriately protect their networks is one of the most crucial advantages of VPNs. Without your knowledge, an application or website can monitor our internal usage. They can then analyze the collected data to target you with advertisements. If you do not use a VPN, you may encounter an invasion of pop-up ads. It may obstruct your browsing experience and be generally irritating. Web browsers cannot connect to your connection if you use a VPN. It preserves the security and anonymity of the data you send and receive. 

  • Hiding your IP address from all websites: 

You are identifiable on the internet through your internal protocol (IP) address. When you use a VPN, your IP address is replaced with that of your VPN provider, making it more difficult for websites to identify you. It goes a long way toward ensuring your privacy when browsing the web. Furthermore, it makes it harder for advertisers to target you with advertisements. 

  • Protecting your personal information from hackers:

The ability to hide your personal information is one of the most crucial features of a VPN. Hackers can use a variety of tactics to intercept sensitive information you provide on websites. They can use that information to impersonate you and obtain access to your bank accounts, credit card information, and other personal data. A VPN offers high-level security features such as 256-bit encryption. Anyone who can detect your internet chats will see incomprehensible, jumbled text and characters. 

  • Prevention of data throttling: 

When you consume your total allotted data, your ISP slows down your connection. The process is known as data throttling. If you use a VPN, you will quickly discover that one of the perks of the VPN is that it can bypass data caps, especially since your ISP can not see how much data you use. It might be especially beneficial for employees who must utilize data plans on their mobile devices to access the internet while on the road. 

  • Avoiding bandwidth throttling: 

If you have noticed decreased internet speeds on different websites and at various times, you may be subject to bandwidth throttling. ISPs or anybody with administrative access to your network might be to blame for the lag. In that instance, a VPN may be advantageous. It hides the destination of your online traffic and prevents others on the same network from viewing its content. 

  • Escaping restrictions when traveling abroad:

Some VPNs can let you get around geographical restrictions. Some governments, for example, limit or prohibit access to particular websites, such as social media platforms, or censor certain information. A VPN, on the contrary, may assist you in getting entrance by making your traffic appear to be originating from a different place. Remember that you should determine whether or not their VPN use is legal and verify the legislation before utilizing a VPN.

  • Giving access to geo-restricted services like Netflix: 

Using a VPN, you may get a unique IP address. When a device connects to the internet, streams content, or engages in other online activities, its IP address identifies its location. Portion websites and services refuse to allow users from specified countries access to all or some of their material. It is usual with streaming services like Netflix that target particular geographic locations. 

Depending on where you are, several company websites restrict how you can use their public work services, such as seeking quotations or getting more specific information about their services. By utilizing a VPN, you may make it appear as if you are connecting to the internet from a location that is acceptable to the service you want to use. A VPN can make it easier for your workers to have complete access to all security information and services provided by websites. 

  • Establishing network expandability at a low cost: 

While a private network might help your business get started, the cost of expanding it can be too expensive. You can allow multiple employees and distant workers to enter a website or application simultaneously through a VPN server. You can also use the cloud to run critical programs and permit them to access the secure tunnel of VPN.

It can range from email to full-fledged software. You can install it ordinarily on a desktop computer. When employees connect to the VPN, they receive access to a different computer. There they can run the required program. As a result, any employee with a login option can use the application. Adding more workers is as simple as giving each new team member more bandwidth and login credentials. 

  • Lowering support costs:

Choosing a VPN that incorporates cloud computing architecture minimizes the waste of money on support services. In an on-site setup, for example, the performance and upkeep of the in-house server are the responsibility of internal IT professionals. It may entail hours of checking how well the server is running if all employees are achieving ideal throughput, and whether it is under attack by hackers or viruses. 

Furthermore, if an issue is recognized, more work must be dedicated to fixing it and dealing with the fallout it may have generated within your farm. Carefully examine the services and the hardware they use to ensure this. More current components and security measures frequently result in a better experience for you, the client. 

A service provider is responsible for all maintenance, performance inspections, and security measures regarding a VPN. Several paying clients make up their IT expenditure resulting in a cheap cost per client. These cost savings pass to you in the shape of lower expenses than you would pay for a dedicated crew to manage your infrastructure. It is one of the most vital benefits of VPN for organizations. 

  • Accessing regional sports coverage that is not available in your region: 

Some VPNs can help you gain access to regionally blocked sports coverage. A television network such as NBC, for example, may not be available for watching if you are not in the USA. Viewing may be possible using a VPN. Nonetheless, verify your streaming service agreement for the terms of service, and keep in mind that some countries may have fines for using a VPN to evade their restrictions. 

  • Providing less expensive leased-line alternatives

Businesses might get benefits from the use of a VPN. For example, these can avoid renting expensive network capacity lines providing access between office sites using VPNs. They could use public infrastructure for connections via less expensive local leased lines or broadband connections through a local ISP, 

  • Reducing the cost of long-distance phone calls:

A VPN may help lower long-distance phone bills. For example, instead of connecting to an intranet of a company through far access servers and dial-up networks, you may connect via your local ISP access point.

  • Giving security during P2P torrenting:

When you use a VPN to torrent, it hides your IP address from other people downloading the same torrents. It also conceals the content of what you download from your ISP and is compatible with accessing restricted websites. 

The procedure of using the VPN

You can use a VPN in various ways. It does not matter which platform we choose; the procedure should be as follows:

  • Choosing the proper VPN service is the first and most significant step. It is dependent on the functionality, speeds, and other factors of our devices.
  • The second step is to set up a virtual private network (VPN). On a desktop or laptop, we need to download the compatible app. Then follow the on-screen instructions to install the software and log in using our VPN account.
  • After installing it, you can operate the program by paying a subscription.
  • Finally, click or touch in to Connect to a VPN server near you. It will provide you with the fastest VPN connection possible. If we wish to connect to a server in a different country, we may go through the list of selected regions on our VPN and choose the one we need.

The working method of a VPN

A VPN masks our IP address by passing it through a specifically configured remote server maintained by a VPN host. It means if we browse online with a VPN, the VPN server becomes the root of our data. That means our ISP and other third parties cannot see which websites we watch or what data we receive and send online.

How to have more control over your IP address

If you want to connect to a server in a different location, some VPNs provide a map to select the nation. If your VPN does not have this feature, click the menu button to see the list of VPN servers.

Safety features of a VPN

You may be concerned about your security when using a VPN service. Your internet traffic is redirected and routed through the VPN servers. If the provider so desires, it can monitor everything you do. As a result, you must have faith in your VPN service. Most VPN services do not log your activities and store your data.

However, some VPN services misuse the data that passes through their servers. Such as selling it to advertisers. It is especially true of free VPNs. These are frequently unsafe. It is therefore critical that you conduct preliminary research before using a VPN. 

Effects of a VPN on your internet connection

A VPN routes your connection via a remote server. Because this takes longer, it may cause your internet connection to slow down. However, it is not typical in all cases.

Many VPNs can do everything to make your internet connection as fast as possible. Check out our research on the fastest VPNs right now if you want to make sure you end up with a fast VPN. All VPNs we recommend proved to work flawlessly with little to no lag. Streaming, gaming, and browsing will all be as fast as before, but with more freedom, security, and privacy.

A VPN can make your connection faster if your ISP or another party has artificially limited your internet speed. The VPN ensures that this limitation no longer applies to you, allowing you to maximize the potential of your connection.

The legality of a VPN

Generally, using a VPN is not illegal. But in the case of criminal activities occurring by hackers or other online criminals, using a VPN may be considered illegal. Hackers can take advantage of a VPN to hide their identity and location. Many countries, official companies, and Western Union recommend VPNs to work online with freedom. Using VPN is banned in some countries.

Different VPN protocols

An encrypted connection, named the tunnel, is used by VPN connections. You can set up a VPN connection through several protocols. The most commonly used VPN protocols are the following:

  • OpenVPN:

One of the most extensively used VPN protocols is OpenVPN. It is a free and open-source protocol that employs encryption based on the OpenSSL and SSLv3/TLSv1 protocols. Most VPN services support OpenVPN, available for various systems, for example, Windows, Android, Linux, routers. Most people believe that OpenVPN is the best option. The main disadvantage is that it does not operate on Mac OS or iOS. So you have to use a different protocol, such as IKEv2/IPsec.

  • IPsec/L2TP:

This protocol combines IPsec for data encryption with L2TP for secure connection establishment. When OpenVPN isn’t accessible, most operating systems have IPsec/L2TP, a decent alternative.

  • IKEv2/IPsec:

IKEv2 is an IPSec-based protocol. This protocol can connect to and switch between networks fast. It makes it an excellent choice for smartphones, which often switch between Wi-Fi networks and public Wi-Fi networks. Some sites claim that IKEv2 is quicker than OpenVPN. Nonetheless, OpenVPN is the superior protocol.

  • PPTP (Point to Point Tunnelling Protocol):

PPTP (Point to Point Tunnelling Protocol) was one of the earliest extensively used protocols. There are a few (possible) leaks in this protocol. As a result, we recommend using it if you prioritize speed over safety. It may be the case if you want to circumvent limits imposed by streaming providers.

  • Softether:

Unlike the other VPN protocols discussed thus far, Softether is an open-source application that works across several platforms. It supports VPN protocols such as SSL VPN, L2TP/IPsec, OpenVPN, and Microsoft Secure Socket Tunnelling Protocol.

  • WireGuard:

WireGuard is a relatively new protocol that is gaining traction. It is based on the Linux kernel and aims to outperform OpenVPN and IPsec. Because it is still in development, you should stick to using OpenVPN for the time being.

Frequently Asked Questions

1. Does a VPN make me anonymous?

A VPN gives you more privacy. You are not anonymous for using a VPN because privacy is not the same as anonymity. When you connect to a VPN, the IP address of the VPN server locates wherever you go. The IP address of a VPN server indicates the location of the VPN server. Your information becomes encrypted.

A VPN establishes an encrypted connection between your devices (desktop, mobile phone, laptop) and the destination you are trying to visit. This connection to a VPN server provides a high level of security, but it would be inaccurate to claim that you are anonymous. On the internet, perfect anonymity is impossible.

2. How do you set up my VPN?

VPNs are simple to use. Here are the steps I took to set up your VPN:

  • First, you should make sure to connect to a VPN. Then if you connect to it, you should disconnect that. Then you have to click the button next and click Allow in the location pop-up.
  • Then select the current location from the dropdown. 
  • Connect to a VPN server in a different country in step three. You will not get accurate results connecting to a local VPN server.

3. What is the purpose of a kill switch?

Due to the inconsistencies of the internet, VPN connections can fail. When this occurs in the regular order of events, you will stay connected to the internet without VPN protection. A kill switch prevents connections into and out of your device unless the VPN connection is operational. 

4. Will using a VPN cause my internet to slow down?

Your data routes through a VPN server, which must then expend computing power encrypting and decrypting it. As a result, utilizing a VPN will inevitably slow down your internet connection.

The distance to the VPN server and the load on the VPN server are the two most important parameters. You might anticipate losing roughly 10% of your base internet speed if you connect to a server near you that is not overloaded. 

5. Do I require an Internet Service Provider (ISP) if I use a VPN?

Yes. Internet Service Provider (ISP) provides our internet connection, which is also responsible for connecting you to the VPN server.

6. Is a VPN going to keep me safe?

To summarize, the answer is yes.

You will be secure from the following threats if you use a VPN:

  • Hackers who use public Wi-Fi,
  • Your Internet Service Provider (ISP),
  • Mass government scrutiny,
  • Copyright holders,
  • Commercial Wi-Fi providers who profit from your browsing habits,
  • Companies that retain your data to target you with advertisements (advertising and analytics companies) used in combination with anti-tracker browser add-ons).

7. Are you looking for the best VPN services? 

Here is a short rundown of our best VPN recommendations. :

  • ExpressVPN- It provides fast connections, apps for all platforms, and a full-time live chat support service.
  • NordVPN- It has no logs and provides powerful features at a comparatively low cost.
  • CyberGhost VPN- It is simple to use and provides excellent streaming.
  • Private Internet Access- It is based in the United States and has a wide range of customization options along with a robust and secure platform.
  • Surf Shark VPN- It has a full-time live chat support service. It streams at high speeds and provides apps for all platforms.

8. Is it possible to use a free VPN?

For a long time, the adage If you do not pay for a product, you are the product taken from the Gospel. At most, you may utilize very restricted free services as a sample for a paid-for service that you might want to use. This situation has improved in recent years, and there are now at least a few free VPN services available that are genuinely pretty excellent. Compared to more expensive services, even these constraints in numerous ways. Our research shows that cheap VPN services are among the best on the market. For less than $2 a month, you can get a VPN with all the most desired features.

9. Is it possible to utilize a VPN on all of my devices?

Each VPN service allows installing their software on as many devices as you want. On the contrary, limit the number of devices you can use with a single account. The amount of simultaneous connections allowed by a VPN to use altogether means this.

In most cases, VPNs allow up to five simultaneous connections, though this number varies greatly.

Most VPN services offer iOS and Android VPN apps, although support for less popular mobile operating systems is not easy.  


I hope you have gained overall knowledge on a Virtual Private Network (VPN) from this writing. If you think this article is even a little beneficial for all, please share it with your community. Place any query you have in our comment section. Stay with us for more detailed essays on different kinds of VPNs.

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