Software Alternatives, Accelerators & Startups

Duo Security VS OpenVPN

Compare Duo Security VS OpenVPN and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Duo Security logo Duo Security

Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

OpenVPN logo OpenVPN

OpenVPN - The Open Source VPN
  • Duo Security Landing page
    Landing page //
    2023-09-26
  • OpenVPN Landing page
    Landing page //
    2023-09-19

Duo Security features and specs

  • Easy Integration
    Duo Security offers seamless integration with a wide range of applications and services, making it easier for organizations to implement multi-factor authentication (MFA).
  • User-Friendly
    The platform is designed with simplicity in mind, providing a straightforward user experience for both end-users and administrators.
  • Comprehensive MFA Options
    Duo supports a variety of authentication methods including push notifications, biometrics, and hardware tokens, giving users flexibility in how they authenticate.
  • Strong Security Features
    Duo incorporates advanced security features such as device health checks and endpoint visibility, enhancing the overall security posture of an organization.
  • Good Customer Support
    Duo Security is known for its responsive and knowledgeable customer support, helping organizations address issues quickly.
  • Scalability
    The platform can easily scale to accommodate organizations of varying sizes, from small businesses to large enterprises.

Possible disadvantages of Duo Security

  • Cost
    The service can be expensive compared to other MFA solutions, particularly for smaller organizations with limited budgets.
  • User Management Complexity
    Managing a large number of users can become complex, particularly in organizations with high employee turnover.
  • Dependency on Mobile Devices
    Many of Duo's authentication methods rely on mobile devices, which can be inconvenient or impractical for users without access to smartphones.
  • Learning Curve
    Despite being user-friendly, there is still a learning curve for administrators new to the platform, particularly for advanced features.
  • Internet Dependence
    The service requires a reliable internet connection to function properly, which can be a limitation in areas with poor connectivity.
  • Limited Offline Options
    Duo Security has limited options for offline authentication, which may pose challenges in environments where internet access is intermittent.

OpenVPN features and specs

  • Security
    OpenVPN uses robust encryption standards like AES-256, providing a high level of security for data transmission.
  • Open Source
    Being open-source, OpenVPN allows users to verify its code for vulnerabilities, ensuring transparency and reliability.
  • Flexibility
    OpenVPN can run on various platforms, including Windows, Mac, Linux, iOS, and Android, offering extensive compatibility.
  • Customizability
    Users can configure OpenVPN according to their specific needs, allowing advanced network setups and policies.
  • Performance
    OpenVPN offers strong performance with efficient handling of large data transmissions and support for high and stable speeds.
  • Community Support
    A large and active community provides ample resources, including tutorials, forums, and user support.
  • Cost
    As a free and open-source solution, OpenVPN significantly reduces the cost compared to many commercial VPN offerings.

Possible disadvantages of OpenVPN

  • Complex Setup
    Setting up OpenVPN can be complex and may require technical expertise, particularly for advanced configurations.
  • Resource Intensive
    OpenVPN can be resource-intensive compared to some other VPN protocols, potentially impacting the performance of older or lower-spec hardware.
  • Client Software
    The official OpenVPN client software has a less user-friendly interface compared to some commercial VPNs, possibly deterring less tech-savvy users.
  • Mobile Experience
    Although OpenVPN supports mobile devices, the user experience on mobile can be less streamlined compared to desktop environments.
  • Initial Learning Curve
    New users may find the initial learning curve steep due to the multitude of configuration options and the need for understanding networking concepts.
  • Support
    While community support is strong, there may not be as much immediate or personalized support as found with some commercial VPN services.

Analysis of OpenVPN

Overall verdict

  • OpenVPN is generally regarded as a good option for both personal and enterprise-level VPN needs. Its strong encryption, adaptability, and community support make it a preferred choice for those who need secure and reliable virtual private network services.

Why this product is good

  • OpenVPN is considered a reliable and secure VPN solution due to its strong encryption standards, open-source nature, and flexibility. It supports a variety of operating systems and devices, and can be configured to meet different security requirements. Its open-source nature allows the community to inspect, modify, and enhance the code, ensuring transparency and continuous improvement. Additionally, it offers robust support for different authentication methods and network configurations.

Recommended for

  • Individuals seeking enhanced online privacy and security.
  • Businesses looking for a scalable and secure VPN solution.
  • IT professionals who require customizable and flexible VPN configurations.
  • Users who prefer open-source software with an active development community.

Duo Security videos

What is DUO Security 2FA and How it Works With Windows Remote Desktop

More videos:

  • Review - Powerful New Features from Duo Security
  • Review - An Introduction to Duo Security

OpenVPN videos

OpenVPN Overview

More videos:

  • Tutorial - How to setup OpenVPN on Windows | macOS | Android | iOS - Smart DNS Proxy

Category Popularity

0-100% (relative to Duo Security and OpenVPN)
Identity And Access Management
VPN
0 0%
100% 100
Two Factor Authentication
Security & Privacy
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Duo Security and OpenVPN

Duo Security Reviews

20 Identity Management Solutions You Should Know
Used by WhatsApp and Etsy, Duo Security was designed with modern companies in mind. That means it prioritizes speed. The DuoMobile app, for instance, simplifies multi-factor authentication. Users can merely tap on a push notification instead of typing in an SMS code to complete their login. Duo also allows for a modern, mobile-friendly work culture by letting organizations...
Source: builtin.com

OpenVPN Reviews

The top 10 alternatives to OpenVPN
OpenVPN is an open-source software application that provides virtual private network (VPN) services. It allows the creation of secure network connections over the internet, using a custom security protocol that utilizes SSL/TLS for key exchange. OpenVPN is capable of traversing network address translators (NATs) and firewalls, providing users with the ability to securely...
Best Top 20 OpenVPN Alternatives (Pros and Cons)
OpenVPN is a virtual private network system used to create trusted end-to-end connection configuration and remote access services. As with any other VPN service, OpenVPN also has its own drawbacks. For instance, its inability to bypass particular proxy servers and complexities in user journeys lead to less user-friendliness. Therefore, we will be discussing a few...
6 Types of VPN Protocols, Compared: Which is the Best to Use?
In most cases, OpenVPN or WireGuard will be your best bet. PPTP is a protocol we don’t recommend using because of its relatively low-level encryption. However, you could try this protocol when privacy and security are not your highest priorities, such as for unblocking streams. If OpenVPN is not supported or does not work well for whatever reason, you could consider using...
Source: vpnoverview.com
OpenVPN vs WireGuard: Which protocol is best?
OpenVPN was first released in May 2001. Although the PPTP protocol had been around for five years already at this point, OpenVPN became popular because it offered stronger encryption without too much of a drop in speed. Over the years, vulnerabilities were patched and new clients were developed that brought OpenVPN support to a greater range of devices. This previously...
9 Best NordVPN Alternatives You Must Use In 2022
The next alternative to NordVPN on our list is OpenVPN. OpenVPN allows you to establish a point-to-point secure connection between your device and the Internet. It is a flexible VPN solution that can cater to business needs as well.
Source: wethegeek.com

Social recommendations and mentions

OpenVPN might be a bit more popular than Duo Security. We know about 40 links to it since March 2021 and only 31 links to Duo Security. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Duo Security mentions (31)

  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Duo.com — Two-factor authentication (2FA) for website or app. Free for ten users, all authentication methods, unlimited, integrations, hardware tokens. - Source: dev.to / over 1 year ago
  • Additional computer log-in protection
    You could use Duo - https://duo.com/. It can be set to require MFA when logging in locally or only when logging in via RDP (or both). It's free for up to 10 users. Source: about 2 years ago
  • [Data-Mining] Upcoming tunnels from the May 23 patch
    A quick google tells me that Duo is a 2FA service from Cisco. Maybe that's what Anet is using to manage the 2FA in the launcher behind the scenes? Source: about 2 years ago
  • what do you use for ssh brute force protection: fail2ban or sshguard ? or something else ? for ubuntu and fedora
    I have Duo (https://duo.com) enabled on my internet facing SSH server. It sits behind sslh on port 443 and uses public key authentication only. Source: about 2 years ago
  • Duo MFA with Serverless API Gateway for authentication
    Our organization uses Duo, which is an MFA tool that competes with Okta. I created a serverless application with API Gateway and Lambda that gives users access to Salesforce resources where they can directly update records. This was a workaround for getting around Salesforce community clouds expensive community licenses. Source: about 2 years ago
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OpenVPN mentions (40)

  • Ask HN: Who is hiring? (October 2023)
    OpenVPN is hiring! https://openvpn.net/ C++ Developer in the United States. Full-time| Fully remote| Flexible work schedules Link to look at vacancy details and apply:. - Source: Hacker News / over 1 year ago
  • Are there any work arounds for the Netflix new "household" system?
    How you connect to your modem will depend on the device you are using, but for windows laptops as an example you download the OpenVPN program and input your modem details there, much like you would any other vpn service. I think there would be some guides on youtube. https://openvpn.net/. Source: almost 2 years ago
  • Can i use PFSense to control incoming user connections (without a vpn?)
    I just started playing with CloudConnexa for remotely managing my second pFSense. Really nice and is free for up to 3 concurrent users. https://openvpn.net. Can also self-host OpenVPN access server with a free 2 concurrent license. Source: about 2 years ago
  • Is the 7spotlight Markle family interview airing now? Is anyone watching and can provide comment? 👀📺
    If anyone is being blocked check out free OpenVPN. Source: about 2 years ago
  • Is it possible for a sysadmin to block only some packets from a VPN connection ?
    I too haven't used the client-nat directive in some years (I currently implement 1:1 NAT with pfsense to access my network because I'm too lazy to change the networks subnet from the default) so I decided to retest and it does appear that OpenVPN Connect clients do not properly support the client-nat directive but the traditional OpenVPN server/clients still do. I've just tested this on OpenVPN 2.6.3 Server,... Source: about 2 years ago
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What are some alternatives?

When comparing Duo Security and OpenVPN, you can also consider the following products

Google Authenticator - Google Authenticator is a multifactor app for mobile devices.

ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.

Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Hotspot Shield - Hotspot Shield is a software application developed by AnchorFree, Inc.

Okta - Enterprise-grade identity management for all your apps, users & devices

Psiphon - Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.