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Why You Should Have Virtual Private Network?

Software Engineer | DevOps Engineer


Why You Should Have Virtual Private Network?


virtual private network (VPN) extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network. Applications running across a VPN may therefore benefit from the functionality, security, and management of the private network.

VPN technology was developed to allow remote users and branch offices to access corporate applications and resources. To ensure security, the private network connection is established using an encrypted layered tunneling protocol and VPN users use authentication methods, including passwords or certificates, to gain access to the VPN.

In other applications, Internet users may secure their transactions with a VPN, to circumvent geo-restrictions and censorship, or to connect to proxy servers to protect personal identity and location to stay anonymous on the Internet. However, some Internet sites block access to known VPN technology to prevent the circumvention of their geo-restrictions, and many VPN providers have been developing strategies to get around these roadblocks.


About VPN

A Virtual Private Networking has all the goodies that are included in the name.

It gives you a layer of security blanket that will avoid anyone from intercepting you. VPN has gained traction this past decade since the need for virtual privacy keeps on rising.

This is how it works:

  • Usually, when you browse the internet, you send inquiries to your ISP server, which then continues it to the server of the website you’re going to.
  • With VPN, the data is sent through an encrypted connection (often called a “VPN tunnel”) to the VPN server. This tunnel is infamous for being a safe and secure passage for sending and receiving data.
  • The data you’re sending will also be encrypted. So, if by any chance someone still manages to intercept and hack you, they won’t be able to “read” the data.
  • It gives you another façade ISP to make it look like you’re coming from another computer at another location.

VPN was not the first technology to make remote connections. Several years ago, the most common way to connect computers between multiple offices was by using a leased line.

Leased lines, such as ISDN(integrated services digital network, 128 Kbps), are private network connections that a telecommunications company could lease to its customers. Leased lines provided a company with a way to expand its private network beyond its immediate geographic area. These connections form a single wide-area network (WAN) for the business.

Though leased lines are reliable and secure, the leases are expensive, with costs rising as the distance between offices increases.

Shoud Use VPN?

Today, the Internet is more accessible than ever before, and Internet service providers (ISPs) continue to develop faster and more reliable services at lower costs than leased lines. To take advantage of this, most businesses have replaced leased lines with new technologies that use Internet connections without sacrificing performance and security.

Businesses started by establishing intranets, which are private internal networks designed for use only by company employees. Intranets enabled distant colleagues to work together through technologies such as desktop sharing.

By adding a VPN, a business can extend all its intranet’s resources to employees working from remote offices or their homes.

This article describes VPN components, technologies, tunneling and security. First, let’s explore an analogy that describes how a VPN compares to other networking options.

So of course i use it, Okay let’s start why you need vpn

1. To stop Google from “owning” you

Google DOES keep track of your search history. If you use Google from finding a recipe to asking an embarrassing medical question – Google knows what you’re up to.

Not only that, here’s what Google knows about you:

  • your location
  • the links you click (ads and everything else)
  • the pages you read – or leave at once
  • your search pattern
  • the images you look at and the videos you watch

Oh, and by the way, all of the other search engines do this too.

If this starts to make you feel uncomfortable (and the list is not even finished yet), you should get a VPN. You’ll have your IP address masked, and this means your searches are as private as you want them to be.

2. To stop your ISP from taking advantage of you

First, you pay your ISP with your hard-earned money to provide you with a service, which is great.

But then, they get your browsing history for free and can legally sell it to marketers. And they, then, make more money out of you. Where’s the fairness in that?

By using a VPN, your browsing history is cloaked, so your ISP cannot get and resell it to a third party.

4. Access your favorite streaming video content wherever you are traveling in the world 

Thinking of taking a trip outside of the United States? Or wherever your home may be? You may be surprised to discover that some of the content offered through your favorite subscription-based video services is not available in other countries.

A VPN allows you to connect to a US-based server (or your equivalent home server) while traveling abroad, so your streaming service thinks you’re still local and lets you watch your favorite shows.


5. Get a higher level of security for online banking.

You are probably pretty sensitive about keeping your bank account information private.  Everyone loves the convenience of online banking these days, but it won’t be so convenient if your identity gets stolen because your internet connection wasn’t entirely secure.

A VPN provides an extra layer of security to give you extra peace of mind.

6. Ease your fears about using airport Wi-Fi.   

It’s very thoughtful of most airports to supply free public Wi-Fi hotspots to give us all something to do while waiting for our flights. Unfortunately, with so many strangers crammed into one place, it also makes the airport a “hot zone” for identity theft.

If you simply must get online work or play accomplished at the airport, then you really ought to get a VPN, too.

7. Unblock social media sites when you’re in other countries  

Social media sites like Facebook and Instagram are some of the most censored sites around the world. Whether you’re a college student spending a semester abroad or a business traveler who takes frequent trips abroad, a VPN can ensure that you’re keeping up with the latest at home.

8. Stay anonymous when shopping for airfare, hotels, and car rentals.

While you’re shopping around to find the best deal on airfare, a hotel room, or a car rental, those websites are actually tracking your activity. The next time you return, the price on that car rental may have gone up. Use a VPN and a browser with high privacy settings (e.g. anti-tracking on) and you will be truly private online and can do your comparison shopping.

Okay that all depends on me, me personal use a Virtual Private Network too. There many vpn service you could use like ivacy VPN maybe? or Like OpenVPN?


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