What is a VPN? Why Should I Use a VPN? | Microsoft Azure (2024)

What is a VPN? Why Should I Use a VPN? | Microsoft Azure (1)

What does a good VPN do?

Now that you know the advantages of using a VPN, as well as its various types, protocols, and use cases, let's explore what to look for in a VPN provider. There are plenty of options on the market, but you'll want to select a reputable company with clear expertise, a proven track record, and trustworthy values. Here are some of the features you should look for in a good VPN provider:

Strong protocols

The most important feature of any VPN provider is security, so it's essential to choose a service that uses an industry-standard protocol with 256-bit encryption—the same kind of encryption used by banks and military. In today's landscape, this means being aware of the limitations of older protocols like L2TP/IPSec, while avoiding obsolete protocols like PPTP altogether. Instead, opt for services that use OpenVPN, SSTP, IKEv2/IPSec, or WireGuard. The top providers support multiple protocols and should allow you to toggle between them, depending on the use case.

IP address protection

Greater anonymity is a pivotal reason to use a VPN. When looking for a provider, you'll want to choose one that provides you with options for rerouting your IP address. A shared IP address groups multiple users together under one IP, protecting you from within the crowd, while quick and easy server switching allows you to choose your location from wherever your provider's servers are located.

A range of servers across many locations

When using a VPN, you may notice a slowdown in performance if your provider only runs a select number of servers in a select number of locations. By using a service comprised of many servers located near and far, including ones closer to you, your data travels a shorter distance, improving on speed. The more servers there are around the world, the more spread out the users, the faster the performance. And if you're looking to switch to an IP address from a particular region, you'll want to see that your provider has a server there that supports your chosen protocol.

Zero-log policy

You may be hidden from third parties, but in theory, a VPN provider has the power to potentially see everything you do under its protection. Because of this, it's important to go with a company that practices transparency around their logging policy. A zero-log, or no-log VPN provider keeps a record of your email address, payment information, and VPN server, but it shouldn't log or store any data that gets sent while you're securely connected. This includes usage logs, connection logs, session data, or even your IP address.

Kill switch

If your secure VPN connection gets interrupted, your computer reverts to your real IP address, in turn compromising your identity. A kill switch prevents this from happening by cutting off your Internet connection as soon as your VPN connection disrupts.

Mobile compatibility

Mobile activity gets risky when it's happening on an unsecured Wi-Fi network. If you're looking for a safer mobile experience, then it may be useful to look for a provider that offers support for mobile VPN, particularly the ability to switch to the IKEv2/IPSec protocol when roaming. This ensures that your connection is secure, even when you move from public Wi-Fi to cellular data.

Options for authentication

When a computer attempts to connect to a VPN server, the VPN must first authenticate the user before the connection is successful. This typically means entering your credentials via a login page or desktop client, though it's best to consider additional options for authentication. Multi-factor authentication, for instance, requires that you authorize your login with your mobile device through an app. You may also want to use a physical security key, which you plug into your USB port, for even more security.

Customer support

Like other software companies, a VPN provider must have a reliable support team for you to contact for any issues that may arise. This support team should be knowledgeable, helpful, and easy to get in touch with.

Premium pricing

In general, it's best to avoid free VPNs altogether. By choosing a paid provider, you are choosing a real and credible company, backed by quality technology and infrastructure. A paid provider is also less likely to log your activities and sell that information to advertisers. A premium VPN may require a monthly fee, but the value of safety, security, and peace of mind is well worth the cost.

What is a VPN? Why Should I Use a VPN? | Microsoft Azure (2024)

FAQs

What is a VPN in Azure? ›

Microsoft Azure's Virtual Private Network (VPN) offers a hybrid work environment, enabling seamless integration of on-premises servers and equipment with cloud services.

What is a VPN and why would I use it? ›

A VPN, which stands for virtual private network, protects its users by encrypting their data and masking their IP addresses. This hides their browsing activity, identity, and location, allowing for greater privacy and autonomy. Anyone seeking a safer, freer, and more secure online experience could benefit from a VPN.

What is a VPN Quizlet? ›

VPN. Virtual Private Network. Purpose of a VPN. Creates a remote but secure point to point connection across a private or a public network (like the internet).

Why do we use an Azure VPN client? ›

The Azure VPN Client lets you connect to Azure securely from anywhere in the world. It supports Azure Active Directory, certificate-based and RADIUS authentication. The Azure VPN Client lets you connect to Azure securely from anywhere in the world.

What is VPN used for in cloud? ›

Cloud VPN securely extends your peer network to your Virtual Private Cloud (VPC) network through an IPsec VPN connection. The VPN connection encrypts traffic traveling between the networks, with one VPN gateway handling encryption and the other handling decryption. This process protects your data during transmission.

What is Azure always on VPN? ›

With Always On, the active VPN profile can connect automatically and remain connected based on triggers, such as user sign-in, network state change, or device screen active. You can use gateways with Always On to establish persistent user tunnels and device tunnels to Azure.

Which best defines a VPN? ›

A VPN (virtual private network) is a service that creates a safe, encrypted online connection. Internet users may use a VPN to give themselves more privacy and anonymity online or circumvent geographic-based blocking and censorship.

What is an example of a VPN? ›

Virtual Private Network Basics

For example, employees at a branch office could use a VPN to connect to the main office's internal network. Alternatively, a remote worker, who may be working from home, could need to connect to their company's internet or restricted applications.

What does VPN protect you from? ›

A VPN creates a secure tunnel between a user's computer and the VPN server, which hides their online activity and location. VPN security enables users to protect their online privacy and prevent their internet service provider (ISP) from tracking their browsing activity.

What is the purpose of a VPN client? ›

A VPN client is a software based technology that establishes a secure connection between the user and a VPN server. Some VPN clients work in the background automatically, while others have front-end interfaces that allow users to interact with and configure them.

Is Azure VPN free? ›

VPN Gateways

Setting up a virtual network is free of charge. However, we do charge for the VPN gateway that connects to on-premises and other virtual networks in Azure. This charge is based on the amount of time that gateway is provisioned and available.

What is a point to site VPN Azure? ›

A Point-to-Site (P2S) VPN gateway connection lets you create a secure connection to your virtual network from an individual client computer. A P2S connection is established by starting it from the client computer.

What is VPN in Microsoft? ›

A VPN, which stands for virtual private network, establishes a digital connection between your computer and a remote server owned by a VPN provider, creating a point-to-point tunnel that encrypts your personal data, masks your IP address, and lets you sidestep website blocks and firewalls on the internet.

Do you need a VPN for Azure AD? ›

There is no VPN required for you to login to Azure AD joined devices. If you have internet access to the device you can anytime login to the Azure AD joined device with your credentials from anywhere irrespective of the network which is available.

Can I create a VPN on Azure? ›

This tutorial helps you create and manage a virtual network gateway (VPN gateway) by using the Azure portal. The VPN gateway is just one part of a connection architecture to help you securely access resources within a virtual network.

Is ExpressRoute a VPN? ›

Unlike VPN Gateway, which creates a virtual network using the public internet, ExpressRoute Gateway provides a dedicated, private connection that is separate from the internet.

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