VPN stands for “virtual private network” — a service that protects your internet connection and privacy online. VPNs create an encrypted tunnel for your data, protect your online identity by hiding your IP address, and allow you to use public Wi-Fi hotspots safely.
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- VPN benefits
- Why do you need a VPN?
- What does a VPN do?
- How does a VPN work?
- VPN servers
- VPN tunneling
- Types of VPN
- VPN protocols
- Choosing the best VPN
- Setting up a VPN
- FAQ
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VPN benefits
Using VPN apps makes your digital life safer, easier, and smoother.
Privacy online
Changing your IP address, hiding your virtual location, and encrypting your connection allow you to increase your privacy online.
Digital security
A VPN shields you from cyber threats, like man-in-the-middle attacks, packet sniffing, and dangerous Wi-Fi networks.
Open internet
With a VPN, you can avoid online censorship and restrictions and enjoy the free and open internet.
Safe data sharing
Share files securely while at home or at work — a VPN encrypts your connection so that no snoopers can see what data you’re transferring.
Why do you need a VPN?
No one likes to be watched or tracked – even if they have nothing to hide. That’s why it’s important you step up your privacy game. Here’s when you need a VPN:
While using public Wi-Fi
VPN is used to secure your connection on public Wi-Fi, so you can browse in full privacy. Hackers have many methods to steal your data on public hotspots, but with a VPN your online traffic is invisible to them.
While traveling
If you want to access your home content while traveling around the world, a VPN can help. Install NordVPN on your device and never miss a friend’s post on social media.
While browsing
Government agencies, marketers, and internet service providers would all love to track and collect your browsing history, messages, and other private data. Best way to hide it? Using a VPN to keep your data to yourself.
While gaming
Like gaming online? You can forget about DDoS attacks and bandwidth throttling with NordVPN. Use our Meshnet feature to set up secure virtual LAN parties with your friends.
While shopping
Avoid targeted pricing, fake websites, and bait and switch attacks with a VPN. Shop securely, knowing your credit card details are safe from snoopers even on public networks.
While streaming
Watch your favorite TV shows without slowdowns. NordVPN can save your movie night by preventing your ISP from throttling your connection.
What does a VPN do?
A VPN reroutes your traffic through a remote server, encrypting it in the process. Typically, when you try to access a website, your ISP (Internet Service Provider) receives the request and redirects you to your destination. But when you connect to a VPN, it redirects your internet traffic through a remote server before sending it over to your destination.
First of all, a VPN hides your data from snoopers — encryption is important when you want to protect your internet traffic and minimize your online footprint. This way, your internet service provider won’t be able to sell your entire browsing history to the highest bidder.
Your IP (and, therefore, your virtual location) is also hidden and you get a new one that belongs to the VPN server you’re connected to. This ensures extra security and significantly increases your privacy online — no one knows what city or country you’re browsing from.
These are common VPN functionalities, but NordVPN aims higher. We want to protect not only your data but your devices as well. That’s why we’ve developed the Threat Protection feature to keep your devices safe from common internet hazards: malware in downloaded files, web trackers, flashy ads, and malicious links. You don’t need to be connected to a VPN server to use it — just turn it on, and it will guard your device 24/7.
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How does a VPN work?
A VPN works by creating a secure encrypted connection between your device and a remote server. This way, your data can travel in secrecy instead of through your internet service provider. A VPN hides your real IP address and encrypts your internet connection to make your browsing safer and more private.
It’s worth finding out how a VPN works so you can make use of its full potential. Here’s what’s going on behind the scenes:
- Authentication. When you connect to a virtual private network service, it authenticates your client with a VPN server.
- Encryption. The server then applies an encryption protocol to all data you send and receive.
- Tunneling. The VPN service creates an encrypted “tunnel” over the internet. That secures the data traveling between you and the VPN server.
- Encapsulation. To ensure each data packet stays secure, a VPN wraps it in an outer packet, which is then encrypted through encapsulation. That is the core element of the VPN tunnel, keeping the data safe during transfer.
- Decryption. When the data arrives at the server, the outer packet is removed through a decryption process.
How do VPN servers operate?
After the VPN tunnel is established, your device sends out encrypted information (like the website you want to visit) to the VPN server. It decrypts it and forwards the information to the designated web server. It also hides your real IP address before sending the data out. Instead, you will appear to have the IP address of the VPN server you’re connected to.
When the web server responds, the VPN server encrypts the data and sends it to you through your ISP. Your VPN client will decrypt the data once it reaches your device.
How does VPN tunneling work?
The VPN tunnel is created by first authenticating your client — a computer, smartphone, or tablet — with a VPN server. The server then uses one of several encryption protocols to make sure that no one can monitor the information traveling between you and your online destination.
Here you should remember that before being sent and received over the internet, any data needs to first be split into packets. To ensure each data packet stays secure, a VPN service wraps it in an outer packet, which is then encrypted through a process called encapsulation.
This exterior packet keeps the data secure during the transfer, and it is the core element of the VPN tunnel. When the data arrives at the VPN server, the outer packet is removed to access the data within, which requires a decryption process.
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Types of VPN
There are many types of VPN, but the vast majority of them fall into three main categories:
Personal VPN
Most consumer-grade VPNs are classed as personal VPNs, including NordVPN. They are very similar to remote-access VPNs in operation, but instead of connecting to a proprietary restricted network (such as your workplace), you connect to your VPN provider’s servers for protection and privacy while you explore the internet.
Site-to-site VPN
Site-to-site VPNs are mostly used by businesses — large corporations in particular. They allow users in selected locations to access each other’s networks securely. It’s a great way to connect all offices and enable different branches to safely share resources and information.
Remote access VPN
A remote-access VPN allows users to connect to a remote network, usually by using special software. If you ever needed to log on to your office network, you most likely used a remote access VPN as well. It makes working away from the office safer and easier, as employees can access data and resources from anywhere.
VPN encryption protocols
What is a VPN with weak encryption? Just a surefire way to slow your connection down. When people use a VPN, privacy and speed are their main concerns. Different types of VPN protocols have different advantages, so most VPN providers offer at least two. NordVPN allows users to choose between OpenVPN and NordLynx protocols in its apps, and they can also opt for IKEv2/IPSec protocol for manual configurations.
OpenVPN is the most popular encryption protocol, currently used by the majority of VPN providers in the world.
One of OpenVPN’s biggest strengths is that it is highly configurable. It also offers a nice balance between speed and security, as you can use it on both TCP and UDP ports. While the TCP port is a more stable option, UDP is faster, and many users prefer it for a seamless online gaming and live streaming experience.
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If you’re looking for both privacy and speed, NordLynx is the way to go. It’s our default protocol, a unique tech solution based on WireGuard — the fastest tunneling protocol out there. What makes WireGuard so fast? The secret lies in its code — all 4000 lines of it. Compare that to the tens of thousands of lines in other VPN protocols, and you’ll see why it’s so mind-blowingly quick. To make it as secure as possible, we combined WireGuard with our custom double NAT system. It allows users to enjoy fast internet connection without compromising their security.
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L2TP/IPSec. Layer 2 Tunneling Protocol (L2TP) is a method for transmitting data from one device to another. As L2TP doesn’t offer any kind of encryption, it almost always comes together with Internet Protocol Security (IPSec), which negotiates the cryptographic keys to create a VPN-like environment. It’s a highly secure protocol but can be very slow because it encapsulates data twice. PPTP. It is the most commonly used protocol that supports thousands of operating systems and devices. It’s also easy to set up, without the need to install additional software. However, PPTP is decades-old and not as secure as other protocols available today. SSTP. Secure Socket Tunneling Protocol is a suitable alternative to standard protocols in areas where VPNs are restricted because it can bypass most firewalls. SSTP is similar to OpenVPN but it is owned by Microsoft, which means it is not available for independent auditing.
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IKEv2 is a tunneling protocol, which is usually paired with IPSec for encryption. It has the ability to restore a secure connection after the internet drops and adapts well to changing networks. This functionality could be useful to smartphone users who often switch between home Wi-Fi and mobile connections or move between hotspots.
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What should I look for when choosing a VPN?
Speed, security, and privacy
People turn to VPNs for different reasons, and whatever yours is, you need to ask three questions before choosing a provider. How fast is it? Will it keep my data safe? And will it respect my privacy? Of course, you want your connections to be safe and your data to stay private. But to have all that without losing any speed? That’s the trick. So when you choose a VPN service, make sure they don’t make any compromises – there’s no point in having unbreakable encryption if every website takes ages to load.
Paid vs. free
The price of the VPN is one of the most important factors. If a free option of any service comes up, people get immediately interested. But when it comes to free VPNs, it’s better to stay away. You’re looking for speed, security, and privacy, and with free VPNs, you’re unlikely to get any of it. These providers usually don’t invest in their server network, so their VPN connections might be unstable and leaking users’ IP addresses. They also must make money somehow – in some cases, they may resort to selling their users’ data. So instead of looking for the cheapest option, try to find a VPN provider you can trust.
Setting up a VPN connection
There are a few different ways you can set up your NordVPN account. Have an encrypted connection wherever you go, join the VPN protection trend:
Use VPN apps
NordVPN offers apps for all major platforms. It doesn’t matter if you use a Mac, an Android tablet, or a Windows laptop. We strongly believe that people shouldn’t struggle to protect their home network and mobile devices, so our apps are extremely user-friendly.
Configure it yourself
If you know what you’re doing, setting up your VPN just the way you want it is also an option. Bear in mind — manual setup will take more time, and mistakes are more likely to happen. Don’t worry — if you need some help, you’ll find detailed tutorials in our Help Center.
Install it on your router
Install NordVPN on your Wi-Fi router, and every device connected to it will be protected by bulletproof encryption. The process might seem a bit too complicated for novice users, but once you’re done, you can enjoy a safe internet connection without interruptions.
Learn more about virtual private networks and how VPN connections work
VPN for dummies: A guide for beginners | VPN hardware vs. VPN software |
Pros and cons of a VPN | 14 most interesting uses of a VPN |
How to use a VPN | How to set up a VPN manually |
Do I need a VPN at home? | How to choose a VPN |
Safe public Wi-Fi with a VPN | How to disable a VPN on any device |
How to check if your VPN is working | 12 common VPN myths busted |
Frequently asked questions
Can you be tracked if you use a VPN?
VPN gives you a new IP address and encrypts the connection between your device and the VPN server, so no one can see what data you send and receive. But it won’t make you anonymous — there are other ways someone could track your actions online. Hackers could install malware (keyloggers, spyware, etc.) on your device. Or if you overshare online and use the same username everywhere, anyone with decent googling skills can gather a wealth of information about you. A VPN is not an all-in-one solution for anonymity but rather an extra layer of security that protects your internet traffic.
Is using a VPN legal?
Yes, VPNs are legal in many countries, but some have banned VPNs altogether or heavily regulate their usage. It’s possible to use a VPN connection to bypass government censorship and gain internet access in countries like these. If you decide to do it, make sure to download the NordVPN apps and get your subscription before traveling there.
Are there any alternatives to VPNs?
You can use other software that offers similar features to a virtual private network, but nothing can replace the all-round security and privacy a VPN offers. A Smart DNS will help you gain access to blocked sites, but it won’t encrypt your traffic. Tor will protect your privacy, but many websites will block your access. So if you want a service that protects your privacy, gives you a new IP address, and encrypts your data at the same time, opt for a reliable VPN provider.
Is a virtual private network safe to use?
Yes, if you choose a trustworthy VPN service provider, using it is absolutely safe.
What is a VPN provider you can’t trust? The one that says it’s free. It will track your online activity, what websites you visit, the content you interact with, and sell it to the highest bidder. Why? Because they must maintain hundreds of servers in different countries and hire people to take care of the infrastructure. A service that big has to make money somehow, so you end up paying for it in some way. Besides, a free VPN won’t encrypt your connection properly and might even contain malware or spy on your entire local network.
All of this means that if you do your research and choose the best VPN provider out there, using a VPN isn’t dangerous.
Should I leave my VPN on all the time?
Yes, you should keep your virtual private network on all the time — with a few exceptions. It’s the only way to be sure that your real location and IP address are hidden, online data encrypted, and browsing history invisible to your internet service provider and other third parties.
What’s the average price for a VPN?
Most VPNs cost as little as a few dollars a month. You might think that since there are many free VPNs available, there’s no reason for you to buy a subscription. However, you get what you pay for. And in the case of free VPNs, it’s not much. They are often very slow, unstable, the servers are overloaded and can crash at the worst moments. Furthermore, free VPNs usually have no respect for your data and will sell it to make money off of you.
So why risk it? Get a reliable paid VPN service that will work when you need it to, and only for a few bucks per month. The longer the commitment – the better the price. Find how much NordVPN costs on our pricing page.
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Special birthday deal!
67% off NordVPN for you. 3 months free for a friend.
Get the Deal
30-day money-back guarantee
Special birthday deal!
67% off NordVPN for you. 3 months free for a friend.
Get the Deal
30-day money-back guarantee
Special birthday deal!
67% off NordVPN for you. 3 months free for a friend.
Get the Deal
30-day money-back guarantee