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Introduction to Virtual Private Network (VPN)

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  • Difficulty Level : Basic
  • Last Updated : 28 Dec, 2020

It stands for Virtual Private Network. It provides inline privacy and anonymousness by building a private network from a public internet connection. VPN masks your internet protocol address so your online actions are virtually untraceable. VPN creates a virtual tunnel to transfer data. Moreover, the privacy and security provided by VPN are far better than Wi-Fi hotspots.

Types of Virtual Private Network :
Generally, we can classify VPN into the following types,

  • Remote Access VPN
  • Intranet-based Site to Site VPN
  • Extranet-based Site to Site VPN

Features of VPN :

  • VPN provides plentiful Server location.
  • It also provides anonymous DNS servers.
  • VPNs are generally cost-effective.
  • VPN supports Router.
  • The VPN is highly encrypted and secure.
  • Along with VPN, we get secure VPN protocols.
  • It provides safety against DNS Leak.
  • The VPN providers also offer Cross-Platform Compatible Apps.

Applications of VPN :

  • VPN can easily bypass geographic restrictions on websites or streaming audio and video.
  • Using a VPN, we can protect ourselves from snooping from untrustworthy Wi-Fi hotspots.
  • One can gain privacy online by hiding one’s true location.
  • One can protect themselves from being logged while torrenting.

What does a VPN hide?
A VPN can hide a lot of information like –

  • User’s Browsing History
  • User’s IP address and location
  • User’s location for streaming
  • User’s device
  • User’s web activity — to preserve internet freedom

How to choose a VPN?
In order to choose the perfect VPN, one must ask the given questions from their VPN providers as follows.

  • How much privacy the VPN is providing to you?
  • Are you able to run all security protocols?
  • Do they set any limits on your data?
  • Where is the server of your VPN located?
  • Are all your devices able to access VPN?
  • What is the cost of a VPN?

Advantages of VPN :

  • It Provides you Anonymity.
  • It Avoid the Geo-restrictions.
  • It has security Protection from Cyberattacks.
  • It will Prevent Bandwidth Throttling.
  • It will help you to Improve Gaming Experience.
  • It has capability to Bypass Firewall.

Disadvantages of VPN :

  • It can Slow down the Internet Speed.
  • It has Privacy Issues.
  • It might be Connection droppings while you will be connect over VPN.
  • It might have Configuration difficulty.
  • It has Legality Issues.
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