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What is vpn? And how does it work?

How Does a Virtual Private Network (VPN) Work? 

Many of us who browse online, have heard the word VPN. 

But to VPN and VPN key is used, it is not known until now. 

Even if I know, I don't know exactly. 

What is vpn? And how does it work?

If you read the whole article carefully. Then you know,

  • What is a VPN? 
  • VPN How does it work? 
  • VPN is safe to use?
  • VPN of Types? 
  • What are the benefits of a VPN? 
  • problem VPN of? 
  • What is VPN used for? 
  • How to use VPN? 
  • Some of the best VPN software for computers? 
  • Best Free VPN Apps for Android Mobile? 


What is a VPN?

The word VPN is an acronym v = virtual. P = private. N = network. In other words, the full form of VPN is a virtual private network. 


VPN makes security connections through the Internet you use and another network. 


To better understand, most people in the world are now using the Internet and the risk of data theft is increasing.


VPNs are primarily used to keep your information secure, as there is a high risk of data theft when exchanging information through the Internet.


Normally the networks we use are public.


By connecting the VPN to the public network,

Connecting to a private network creates a fictitious tunnel to the Internet and keeps your information secure.


How does a VPN work?

If you are an internet user, then you have used internet on computer, laptop, mobile or any other device.


Basically, VPN encrypts the internet connection, changes the IP address of the devices on your mobile, laptop or computer to another one. 


That means creating a virtual tunnel to the Internet connection. 


Now let's talk about how VPN protects your privacy.


When a VPN connects to your device, the VPN confirms the connection to another server via the encryption protocol. 


Your privacy The next time you exchange information while connected to a VPN, that information goes through the tunnel. Just like sending a letter inside an envelope. 


If you want to read a letter in an envelope, you must tear the envelope, 

Similarly,    if you use a VPN, it is impossible to know what information you are exchanging.


Is it safe to use a VPN?

Is it really safe to use a VPN? A report from Yahoo Tech claims that to protect online privacy, a VPN cannot always provide security.


VPN  means creating a special private network within a public network, browsing, and exchanging information securely.


On the other hand, a VPN is used to view the content of blocked Internet websites in a specific country or region. 


You can use a good quality VPN software for that. Then it is safe for you to use a VPN. 


Moreover, if you do not use a good VPN VPN  can handle your information, which is not more than one.


VPN and Types  :

For Internet users, many types of VPN contains Each VPN to provide security to the VPN allowing the use of several categories in order to be useful.


If you know all the categories then  there are many benefits to using a VPN as needed 


PPTP:

PPTP Common The complete form of a tunneling jar is a point to point.

If you have used Windows 95 PPTP then you know that it is very old and there is a high possibility of being attacked by hackers.


sstp 

sstp is much more effective than sstp and: abbreviated to secure socket tunneling protocol sstp which supports  windows sstp is much more effective and secure than PPTP 


L2TP / IP SEC: 

L2TP stands for the Layer 2 Tunnel Protocol.

No Encryption Create an L2TP Tunnel See the IPSEC item of Secure Encryption L2TP encrypts all traffic and adds to the top The options are much slower than before 


Open Vpn: 

Open Vpn means open source. Open VPN is used in open-source technology. Configuration of Open VPN is considered to be the safest for the most advanced web.


IKE V2: 

The full form of IKE V2 is Internet key exchange version 2. 

It was created in 1997 through the Microsoft Security Partnership, which uses the pairing certificate for authentication.


Advantages of VPN:

  • Like  VPN   use to exchange information to be able to exchange information securely.
  • Well  VPN  if you use one in your position can not truck. 
  • VPN use is less likely to be stolen.
  • VPN with a Web site can access the block. Remember, if you turn off Facebook in our country, you can access Facebook using VPN. 
  • VPN if you use your actual location allows you to keep a secret.


Disadvantages of VPN:

There is nothing difficult about the benefits of VPN use is some difficulty. 


  • VPN the biggest drawback  VPN using the torrent file can not be downloaded. You have to rely on the internet to download torrent files. 
  • We are active in many types of crime, VPN by using any kind of crime as one can not always for the  VPN providers to stay alert. To maintain, so the  VPN of the system to operate legally in the workplace is adept at recruiting people.
  •  Sometimes criminal VPNs use different types of crime. Apart from that, hackers want to hack different types of information. It is often difficult to catch criminals.
  • The meters of  VPN  service is free and premium. Those who want to use a premium VPN have to buy and use a VPN with money.


What is VPN used for? 

If you read the above carefully, you will know what the  VPN is used. But if you do not know yet  VPN Why is used to learn. 


Normally we use the Internet in the public netaoyarkapabalika networks, private networks create a secure connection to the VPN. 


Some regional groups to access blocked sites VPN use. 


For example, YouTube announced that you will not be able to access YouTube sites from Bangladesh. 

If someone enters the YouTube site from Bangladesh, the YouTube site will be blocked. 


When your device's  VPN connection, the VPN's location is connected with another country, you can access the YouTube site. And can use YouTube. 


Using a good VPN can secure your data exchange.


VPN How do you use?

There is much online software with a VPN that can be used.

 

VPN is a mobile, laptop computers, or machines set up  VPN can be used.


VPN to use some of the  VPN without money is free, some  VPN with the money that the pieta method is to use a VPN.


If you want, you can use Hotspot shield free with mobile till now. Can't use the computer for free.

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