Fortinet FortiOS vs OPNsense comparison

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Fortinet Logo
123,063 views|89,961 comparisons
90% willing to recommend
Fortinet Logo
4,261 views|3,667 comparisons
98% willing to recommend
OPNsense Logo
108,675 views|95,621 comparisons
96% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between Fortinet FortiOS and OPNsense based on real PeerSpot user reviews.

Find out in this report how the two Firewalls solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.
To learn more, read our detailed Fortinet FortiOS vs. OPNsense Report (Updated: March 2024).
768,740 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"Whenever we raise a complaint with FortiGate, their response and resolution times are minimal.""The stability and scalability of this solution are satisfactory. Its SD-WAN, VPN, and URL filtering features are very useful.""The solution is extremely reliable.""Reliability is the best feature. We faced some issues when we were setting it up, but the service, portal, and administration are good.""The dashboard I have found the most valuable in Fortinet FortiGate.""It's a firewall that secures our internal network. I have been using it since 2013, and I find that most of the features are advanced, and very user friendly.""It's an easy solution to set up.""The SD-WAN is the most valuable feature."

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"I personally think the site-to-site VPN is the most useful feature. A lot of firewalls have that, but to me, that's one of the features that's essential.""A good network security system for medium-sized businesses with an excellent GUI interface that gives a graphic view of network status.""The most important feature of Fortinet FortiOS is the IPS.""The stability of Fortinet meets our requirements and I'm satisfied with it.""The stability of Fortinet FortiOS is great.""FortiOS' most valuable features are management, security, and easy updates with no downtime.""The most valuable features of Fortinet FortiOS are its constant updates and definitions.""It's easy to use."

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"The DNS-level filtering is impressive for thwarting time scanners.""The most valuable features in OPNsense are reporting and visibility.""I feel that its valuable features are that it is simple and free.""OPNsense is easy to use and open source.""OPNsense is easy to scale when running on the hardware.""The solution has high availability.""The most valuable feature is the Dual WAN in OPNSense, which offers advanced capabilities.""We have found pretty much all the features of the solution to be valuable."

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Cons
"The solution's framework needs to be frequently updated in order to have a stable solution.""Technical support for this solution can be improved.""Fortinet FortiGate could improve if it had a cloud-managed solution.""With the addition of some features, it is possible that FortiGate can be used in all verticals.""Its customer service could be better.""To some degree, it's almost a question as to why some of this stuff isn't simpler. For example, for an AP deployment, while it's integrated, the number of steps that you have to go through in order to get the AP up, seems like a lot.""It would be nice if FortiGate incorporated some built-in endpoint protection features. I would also like a built-in SOC dashboard for managing multiple Fortinet firewalls.""I need user-behavior analytics, to find threat scenarios from inside the organization, insider attacks. That would be very helpful for us. In addition, I would like next-generation features for small and medium businesses. These businesses require UTM, all in one product. Fortinet must include it."

More Fortinet FortiGate Cons →

"It would be better if AWS instances were available. If I want to upgrade from T2.small to T2.medium, it should be available rather than having a big instance and paying a lot of money for that. The issue is that we had deployed in AWS Cloud, and we were using a very small instance. Recently we wanted to move in-house and deploy it on the big instance because it was struggling with the RAM. If we use T2.small, we cannot upgrade it to the T2.medium. It has predefined instances in the marketplace with a lot of cost differences. If I can increase the RAM, I have to choose the T3.large instance. If I'm paying $270 for the small instance, I have to pay more than double the cost for T3.large. It is about $850, and this is not good. So, it would be better if it was cheaper. I think both AWS and Fortinet should think about that. They should provide it on lower instances as well. If I want to upgrade it from T2.small to T2.medium, it should be available, but it's a problem.""The reporting and monitoring could improve, they have a lot of limitations. The monitoring is not easy compared to the other firewall.""It could more scalable for the lower end users.""The report and policy optimization tools can be improved in the next release.""Fortinet FortiOS need to manage its memory and CPU utilization better. It peaks at times, which sometimes can be challenging.""The implementation could be simplified.""Their technical support needs improvement.""In terms of what needs improvement, the pricing could be lower. The price is very steep."

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"There are some add-ons that need enhancements to make management easier for users, especially the reporting features. Some reports don't show the level of detail I'm looking for, and I've had trouble installing certain add-ons, especially for Internet bandwidth shaping within my company.""The logging could improve in OPNsense.""The interface needs to be simplified. It is not user-friendly.""An area for improvement in OPNsense is the hardware, which needs to be updated more frequently. DNS blocking is another good feature I want to be added to the solution. pfSense has a peer-blocking feature that I also want to see in OPNsense.""I would like to see better SD-WAN performance.""There are a few weaknesses. For example, there is a lack of some features that I have in certain commercial products.""I think the most important thing is that it should be easily accessible, but currently, that doesn't seem to be the case. We need a hardware platform that's based on common standards and open computing principles, which would be like a commodity and benefit us greatly.""On the customer-side, because I'm a small business, I need a cheaper or free solution option."

More OPNsense Cons →

Pricing and Cost Advice
  • "Fortinet has one or two license types, and the VPN numbers are only limited by the hardware chassis make."
  • "These boxes are not that expensive compared to what they can do, their functionality, and the reporting you receive. Fortinet licensing is straightforward and less confusing compared to Cisco."
  • "Go for long term pricing negotiated at the time of purchase."
  • "Work through partners for the best pricing."
  • "The value is the capability of having multiple services with one unique license, not having the limitation per user licensing schema, like other vendors."
  • "Easy to understand licensing requirements."
  • "​We saved a bundle by not needing all the past appliances from an NGFW.​"
  • "The cost is too high... They have to focus on more features with less cost for the customer. If you see the market, where it's going, there are a lot of players offering more features for less cost."
  • More Fortinet FortiGate Pricing and Cost Advice →

  • "The program is expensive."
  • "We pay an annual license fee. It is rather expensive so I would like to perhaps see a drop in price in the future."
  • "Be sure to choose a licensing plan that leaves a little headroom so performance is not an issue."
  • "We pay $100,000. That covers the cost of the hardware that we run the VN's on. That also includes any SGNA costs for the internal support tech."
  • "Pricing depends on implementation and licensing choices and is usually not a practical budget choice for small businesses."
  • "The support contracts are usually about $100 - $200 a device."
  • "The software costs roughly half what the hardware costs. Overall, the product is expensive."
  • "The price of Fortinet FortiOS has been reasonable."
  • More Fortinet FortiOS Pricing and Cost Advice →

  • "We are not paying any licensing fees. OPNsense is completely free for us."
  • "It costs about $1000."
  • "There are no licensing costs for OPNsence."
  • "OPNsense is open source software so at this time it is free for us to use."
  • "OPNsense is a well known open-source tool."
  • "It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
  • "OPNsense is an open-source solution and it is free to use."
  • "The solution is not expensive."
  • More OPNsense Pricing and Cost Advice →

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    Questions from the Community
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    Top Answer:In the best tradition of these questions, Feature-wise both are quite similar, but each has things it's better at, it… more »
    Top Answer:The SSL VPN is fee for use is most attractive.
    Top Answer:The solution is cost effective. I would rate the pricing a five out of ten.
    Top Answer:Two of the most common and well recognized firewalls, PfSense and OPNsense both support site-to-site IPsec VPN and… more »
    Top Answer:It is a very good solution. I like the dashboard. I can see what is going on and manage it as I like it.
    Comparisons
    Also Known As
    FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate
    Learn More
    OPNsense
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    Overview

    Fortinet FortiGate enhances network security, prevents unauthorized access, and offers robust firewall protection. Valued features include advanced threat protection, reliable performance, and a user-friendly interface. It improves efficiency, streamlines processes, and boosts collaboration, providing valuable insights for informed decision-making and growth.

    Fortinet FortiOS is a comprehensive security operating system that powers Fortinet's network security solutions. It provides advanced threat protection, network visibility, and centralized management for organizations of all sizes. With its robust features and intuitive interface, FortiOS enables businesses to secure their networks, applications, and data from cyber threats. 

    One of the key features of FortiOS is its advanced threat protection capabilities. It incorporates multiple security technologies, including firewall, antivirus, intrusion prevention system (IPS), and web filtering, to detect and block a wide range of threats. This ensures that organizations are protected against malware, ransomware, and other malicious activities. FortiOS also offers extensive network visibility, allowing organizations to monitor and analyze network traffic in real-time. This visibility enables businesses to identify potential security risks, detect anomalies, and take proactive measures to mitigate threats. 

    Additionally, FortiOS provides detailed reports and analytics, helping organizations gain insights into their network security posture. Centralized management is another crucial aspect of FortiOS. It allows businesses to manage and configure their security policies, devices, and users from a single console. This simplifies the management process and ensures consistent security across the entire network infrastructure. 

    Moreover, FortiOS supports integration with other Fortinet products, enabling seamless security orchestration and automation. FortiOS is designed to be scalable and flexible, making it suitable for organizations of all sizes. It offers a range of deployment options, including physical appliances, virtual machines, and cloud-based solutions. This flexibility allows businesses to choose the deployment model that best fits their requirements and easily scale their security infrastructure as their needs evolve. 

    OPNsense is a user-friendly, fast-track, open-source FreeBSD-based firewall and routing platform. This software offers features that are generally available from costly commercial firewalls, with the added benefit of open and verifiable sources. The firewall provides users, developers, and organizations with an advantageous environment through transparency. The development of this project is driven by a strong focus on security and code quality.

    The solution offers a variety of components, such as:

    • Weekly security updates. These updates provide the user with the ability to reach new emerging threats in a timely manner through small increments.

    • Two major releases every year. These yearly releases are on a fixed release cycle and provide organizations with the ability to plan ahead of an upcoming upgrade.

    • A roadmap of instructions. Each major release provides a guide and a set of clear goals.

    A team of professionals developed OPNsense. Other professional and experienced software architects, engineers, and developers are encouraged to join in the development of the solution to make it as successful as possible. OPNsense offers a variety of rich features with each release. Each upgrade is based on FreeBSD for continual, long-term support and utilizes a freshly advanced MVC framework based on Phalcon. OPNsense is committed to helping businesses, school networks, remote offices, hotels, and other markets in keeping their data protected.

    OPNsense Core Features

    OPNsense continually offers a free, complete, high-end security platform with new releases and features. With each release, OPNsense focuses on providing more unique and better security features in a timely manner. These features include:

    • Captive Portal
    • Built-in reporting and monitoring tools including RRD Graphs
    • Network Flow Monitoring
    • Traffic Shaper
    • Support for Plugins
    • Granular Control Over State Table
    • Dynamic DNS
    • Two-factor authentication throughout the system
    • Netflow Exporter
    • Encrypted Configuration Backup to Google Drive
    • Forward Caching Proxy (transparent) with Blacklist Support
    • Stateful inspection firewall
    • DNS Server & DNS Forwarder
    • High Availability & Hardware Failover (with configuration synchronization & synchronized state tables)
    • DHCP Server and Relay
    • Virtual Private Network (site to site & road warrior, IPsec, OpenVPN & legacy PPTP support)
    • Intrusion Detection and Prevention
    • 802.1Q VLAN support

    Reviews from Real Users

    OPNsense is a favorite security solution among reviewers for a number of reasons. Two of those reasons include the user-friendliness of the solution, which makes it easy to use, and its ability to easily scale.

    For many, a user-friendly solution is essential. FiorindoDi A., a system administration specialist at a tech vendor, says, "The graphic user interface is very good and it is user-friendly, which makes the product easy-to-use."

    Peerspot reviewers speak of the scalability of the solution. For example, an anonymous cloud and infrastructure manager at a venture capital and private equity firm reviewer notes, "OPNsense is easy to scale when running on the hardware."

    Sample Customers
    1. Amazon Web Services 2. Microsoft 3. IBM 4. Cisco 5. Dell 6. HP 7. Oracle 8. Verizon 9. AT&T 10. T-Mobile 11. Sprint 12. Vodafone 13. Orange 14. BT Group 15. Telstra 16. Deutsche Telekom 17. Comcast 18. Time Warner Cable 19. CenturyLink 20. NTT Communications 21. Tata Communications 22. SoftBank 23. China Mobile 24. Singtel 25. Telus 26. Rogers Communications 27. Bell Canada 28. Telkom Indonesia 29. Telkom South Africa 30. Telmex 31. Telia Company 32. Telkom Kenya
    Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
    1. Deciso B.V. 2. iXsystems, Inc.  3. EuroBSDCon  4. Netgate  5. Claranet  6. Voleatech  7. Open Systems AG  8. Securebit AG  9. Proxmox Server Solutions GmbH  10. AVM Computersysteme Vertriebs GmbH  Additional customers include: T-Systems International GmbH, Deutsche Telekom AG, Vodafone GmbH, 1&1 IONOS SE, OVHcloud, Hetzner Online GmbH, Strato AG, PlusServer GmbH, Host Europe GmbH, United Internet AG, 1&1 Versatel Deutschland GmbH, QSC AG, Bechtle AG, Cancom SE, Computacenter AG & Co. oHG, T-Systems Multimedia Solutions GmbH, Atos SE, Capgemini SE, Accenture plc, IBM Corporation, Hewlett Packard Enterprise Company, Cisco Systems, Inc.
    Top Industries
    REVIEWERS
    Comms Service Provider16%
    Computer Software Company9%
    Financial Services Firm8%
    Manufacturing Company7%
    VISITORS READING REVIEWS
    Educational Organization20%
    Computer Software Company15%
    Comms Service Provider8%
    Manufacturing Company6%
    REVIEWERS
    Comms Service Provider15%
    Financial Services Firm10%
    Manufacturing Company10%
    Transportation Company8%
    VISITORS READING REVIEWS
    Computer Software Company17%
    Comms Service Provider8%
    Government8%
    Financial Services Firm8%
    REVIEWERS
    Comms Service Provider24%
    Financial Services Firm18%
    Logistics Company12%
    Aerospace/Defense Firm6%
    VISITORS READING REVIEWS
    Comms Service Provider16%
    Computer Software Company14%
    Government8%
    Educational Organization6%
    Company Size
    REVIEWERS
    Small Business48%
    Midsize Enterprise23%
    Large Enterprise30%
    VISITORS READING REVIEWS
    Small Business27%
    Midsize Enterprise32%
    Large Enterprise41%
    REVIEWERS
    Small Business54%
    Midsize Enterprise13%
    Large Enterprise33%
    VISITORS READING REVIEWS
    Small Business26%
    Midsize Enterprise18%
    Large Enterprise56%
    REVIEWERS
    Small Business71%
    Midsize Enterprise12%
    Large Enterprise18%
    VISITORS READING REVIEWS
    Small Business33%
    Midsize Enterprise18%
    Large Enterprise49%
    Buyer's Guide
    Fortinet FortiOS vs. OPNsense
    March 2024
    Find out what your peers are saying about Fortinet FortiOS vs. OPNsense and other solutions. Updated: March 2024.
    768,740 professionals have used our research since 2012.

    Fortinet FortiOS is ranked 15th in Firewalls with 73 reviews while OPNsense is ranked 3rd in Firewalls with 36 reviews. Fortinet FortiOS is rated 8.4, while OPNsense is rated 8.4. The top reviewer of Fortinet FortiOS writes "Provides effective filtering features, good stability but initial setup is moderately challenging". On the other hand, the top reviewer of OPNsense writes "Robust network security and management offering a user-friendly interface, open-source flexibility, and cost-effectiveness, with challenges regarding initial setup and the absence of official support". Fortinet FortiOS is most compared with Fortinet FortiManager, Fortinet FortiWeb, Fortinet FortiGate-VM, Infoblox Advanced DNS Protection and WatchGuard Firebox, whereas OPNsense is most compared with Netgate pfSense, Sophos XG, Untangle NG Firewall, Sophos UTM and IPFire. See our Fortinet FortiOS vs. OPNsense report.

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    We monitor all Firewalls reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.