What is a VPN ? How it works & Why You Should Get One

What is a VPN ? How it works & Why You Should Get One

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Your ISP provides you with an Address, so that your device can navigate the DNS via an ICANN approved URL. The truth is that the average internet user does not grasp any of this so don’t panic if you’re part of that party! To you, this is not profoundly necessary. However, there is one acronym I think any person who owns a machine should learn about: VPN, which stands for Virtual Private Network. 

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What is a VPN and why does it matter? For what a VPN? It seems like there is a front-page news story almost every week about someone’s email being hacked, identities being stolen or privacy being exploited. Accustom yourself to: this is our new reality. Nowadays it’s more necessary for us to protect our machines than locking our doors.

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If you met someone who stole their identities, you know it is not easy to clean and restore. Recovery from an identity theft takes years, sometimes more than a decade.

So, what can you do to protect yourself? There are a variety of steps you can take, including changing the security settings on Facebook or building complex, secure passwords, but one of the best things you can do today is start using a VPN. 

It’s not foolproof and I don’t think we ‘re all fully anonymous or entirely free on the internet amid propaganda, so it’s the first step you can take to protect yourself online. What is a VPN exactly? A VPN, a virtual private network, is a mechanism by which the data can be protected or shielded to keep it confidential and provide a layer of anonymity to protect the identity. Your computer usually accesses the internet directly from your internet service provider. Although this connection can be simple, it is seldom safe and can be traced back to you very quickly. If you access the internet with a VPN, assume that your connection is diverted to another location via the internet through a secure tunnel to a server-sometimes in a different region, sometimes in a different world. The server is accessing the internet under your name at this stage. The downside here is that you not only keep your data secure, you also hide your location by letting the internet believe you’re situated where the server is, not your actual home or office.

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Initially, VPNs were created for companies who wanted to shield their confidential data from being distributed over public and private networks, but after Wiki leaks were a household name, the personal VPN market rightly expanded by leaps and bounds. What most people don’t know is that VPN encryption isn’t exactly the same. You can hear words like Openvpn versus PPTP, or encryption with 256-bit versus encryption with 128-bit. It is not important for you to understand all of these connection protocols, just know that higher bit encryption rates are better than lower bit encryption rates and, frankly, SOME form of VPN encryption is better than nothing. So, what does usage of a VPN feel like in the real world? With a VPN, I can get on the internet at my beloved coffee shop and be sure that no hacker sitting in a corner sipping a latte will decrypt all the codes that I’m typing or the websites that I’m visiting. Also, a VPN will spoof or trick the internet into believing that you are in another place. I might be logging on to my computer in Bangkok , Thailand, for example, but with a VPN I can proof my location to Chicago or Paris. It is important if you are traveling a lot and would like to use platforms such as Netflix , Hulu, Spotify, Pandora, some form of subscription site that limits geo-location content. 

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How does VPN work?

A Virtual Private Network ( VPN) is a collection of wire-routed encrypted networks that protect the data as it moves back and forth between the network computer and the internet services that you use, such as web servers. Most Internet protocols, such as HTTPS, SSH, NNTPS, and LDAPS, have built-in encryptions. If you use these ports over a VPN link, then ensuring that anything involved functions correctly, the data is encrypted at least twice. The endpoints for a VPN connection may be PCs, laptops , computers, dedicated servers, and even certain IoT devices. Your client would most of the time need to use a VPN link program. Many routers have VPN clients built-in too. Unlike proxy networks like Tor, under normal circumstances, VPNs should not significantly slow down your internet traffic. But some VPNs are better than others, and how many VPN clients use a VPN server at any given time is one of the most significant considerations.

Typically, this works with a VPN relation. The data will be sent from your client computer to a point on your VPN. Your data is encrypted at the VPN point and transmitted over the internet. Another point in your VPN network will decode your data and transfer it to the correct web site, such as a database server, an email server or an intranet for your business.

Typical Types of VPN technologies

  • Point-to – point tunneling protocol: Since the mid-1990s, PPTP has been used and it is now widely used. PPTP does not perform encryption in and of itself. It tunnels data packets, and then follows the encapsulation GRE protocol. If you are considering a VPN service that uses PPTP, you should note that the protocol was discovered by security experts like Bruce Schneier, particularly Microsoft’s I m.
  • IPSec: Think about IPSec as a safer solution to PPTP. In reality IPSec is a suite of different protocols and technologies. Packet encapsulation is achieved by the ESP protocol which can be used to encrypt AES-GCM, AES-CBC, 3DES-CBC, or HMAC-SHA1 / SHA2.
  • Layer 2 Tunneling Protocol: L2TP can be used for additional safety tunneling with IPSec.
  • Secure Shell, better known as SSH, can be used to perform VPN network tunneling as well as encryption.
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    maddy Murtaza 4 weeks ago

    Interesting stuff. Thanks for sharing. Most people still do not understand the important privacy and ultimately give away all their online data to ISPs and government agencies. Its imperative to use a solid VPN service like Ivacy or Express to secure your online digital footprint.