Fortinet FortiGate vs OPNsense comparison

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Fortinet FortiGate

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Executive SummaryUpdated on Sep 16, 2024

OPNsense and Fortinet FortiGate are both in the firewall solutions category. Fortinet FortiGate seems to have the upper hand due to its advanced features that justify its higher price for many users.

Features: OPNsense users highlight its open-source nature, customization options, and wide range of plugins. Fortinet FortiGate is known for its robust security features, extensive threat intelligence services, and comprehensive management capabilities.

Room for Improvement: OPNsense needs better documentation, a more intuitive configuration process, and enhanced user interfaces. Fortinet FortiGate has complexity in initial setup, a steep learning curve, and higher ongoing management costs.

Ease of Deployment and Customer Service: OPNsense is straightforward to deploy, especially for those familiar with open-source solutions, and has supportive community forums. Fortinet FortiGate, while more time-consuming to deploy due to its complexity, has professional support services that are useful once users become accustomed to the system.

Pricing and ROI: OPNsense is favored for its low setup costs and high return on investment, especially for smaller organizations or those with constrained budgets. Fortinet FortiGate, despite its higher setup costs, delivers good ROI due to its advanced feature set and superior security capabilities, making it worthwhile for larger enterprises.

To learn more, read our detailed Fortinet FortiGate vs. OPNsense Report (Updated: March 2025).

Fortinet FortiGate vs. OPNsense

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Fortinet FortiGate

Ranking in Firewalls

2nd

Average Rating

8.4

Reviews Sentiment

7.2

Number of Reviews

318

Ranking in other categories

Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)

OPNsense

Ranking in Firewalls

3rd

Average Rating

8.2

Reviews Sentiment

7.2

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of April 2025, in the Firewalls category, the mindshare of Fortinet FortiGate is 21.1%, up from 17.7% compared to the previous year. The mindshare of OPNsense is 12.3%, down from 17.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Firewalls

Featured Reviews

EhabAli

Sr. Cybersecurity Solutions Architect at BMB

Efficient, user-friendly, and affordable

In the past, NSS Labs was utilized to test files and verify the numbers and datasheets. It would be beneficial to have an organization or testing lab that can verify the numbers in our datasheets since changes are frequently made, which can be inconvenient for review. For instance, when comparing different competitors such as Forcepoint, Palo Alto, and Check Point, the throughput or numbers in the datasheet may be lower than the actual numbers. Conversely, Fortinet typically reports very high numbers, but they cannot be replicated in the real world. Therefore, it would be advantageous for them to partner with a neutral testing organization such as NSS Labs to validate these numbers, thus providing more credibility and comfort to everyone regarding the accuracy of the datasheets. For the migration, everyone has a firewall in use and I am selling Fortinet. Typically, I am replacing another firewall. Previously, there was a tool available to convert configurations from one firewall, such as Palo Alto, to Fortinet, but this tool is no longer free. If it could be made free again, it would be very beneficial. This tool shows a lot of promise and is very good. Making it free would help many companies deliver their products in a more efficient and integrated way. It would also be more valuable to include the tool with the firewall package or license instead of having to pay extra for it. Paying extra puts more pressure on small companies to deliver the firewall and complete the configuration, especially if they have hundreds or thousands of policies. It's very painful to move through these policies line by line. The stability has room for improvement. When it comes to Secure SD-WAN, everything is fine. They are going the right way. SD-WAN is very promising. They can provide the SD-WAN solution separately, but they will not take this approach because even the smallest firewall can support the features, so there is no need to have a separate service or appliance. They are following the right steps, and there is nothing to be improved. Feature-wise, I'm really satisfied with the new release, and the features they have added. For now, it's fine.

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Eddy Ramirez

IT Security Director at a financial services firm with 1,001-5,000 employees

Good interface and firewall capabilities and overall easy to use

The security has improved as we can isolate the network. We can do attrition prevention via a tool that comes with the solution. We can have a VPN solution in place for those that work from home, outside the network, in a secure manner. We also like that it offers good authentication. It offers radius-based authentication, which has been useful for the company. The main platform is under the Open VPN firewall. The solution has high availability. When we have different ISPs, we can actually load balance those links or actually put some priority or even classify the traffic that might go into one ISP or another.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"The most valuable feature is the policy routing and application control."

"It is easy to manage, and it doesn't need much knowledge from the team. It is a stable device, and there are many features that are included out of the box."

"The most valuable feature is the ease of configuration."

"Its user interface is good, and it is always working fine."

"The VPN is the most valuable feature."

"I'm looking forward to FortiGate's dashboard features, insights, application oversight, and monitoring, which could help us significantly."

"The most valuable feature of the solution revolves around SSL VPN."

"It has improved our security capabilities."

More Fortinet FortiGate pros

"OPNsense is easy to use and open source."

"The initial implementation process is simple."

"What I like the most about OPNsense is that it offers an easy-to-use dashboard for device management and control."

"The most valuable features of OPNsense are the GUI and frequent updates."

"The initial setup is easy. It only takes 15-30 minutes to deploy."

"It's more secure and more reliable."

"The graphic user interface is very good and it is user-friendly which makes the product easy-to-use."

"It has firewall and VPN capabilities, which are very valuable features."

More OPNsense pros

Cons

"I could not configure sFlow from the FortiGate graphical user interface. I realized that the sFlow configuration is available only from the CLI, and discovered that sFlow is not supported on virtual interfaces, such as VDOM links, IPsec, or GRE."

"The stability of Fortinet FortiGate could improve."

"In the balance between links feature normally you can just choose one option to balance. It would be better for the solution to have more than one option, preferably three."

"The platform's compatibility with Wi-Fi equipment needs improvement."

"Performance and technical support are the main issues with this solution."

"They should offer special pricing to premium partners and customers."

"We would like to see better pricing."

"There is room for improvement related to the logging and reporting aspect."

More Fortinet FortiGate cons

"While they do have paid options that actually gives better features, for most of the clients, if they tend to take a paid option will instead opt for Fortinet."

"OPNsense could improve by making the configuration more web-based rather than shell or command-line-based."

"There are issues with stability and reliability."

"Its interface should be a little bit better."

"The reporting part could be better."

"There should be more technical documentation."

"There are a few weaknesses. For example, there is a lack of some features that I have in certain commercial products."

"The interface needs to be simplified. It is not user-friendly."

More OPNsense cons

Pricing and Cost Advice

"Fortinet FortiGate is expensive."

"It is quite affordable for our customers. There is a separate cost for IPS, antivirus, web filtering, and other features. They have a great choice of licenses. You can go for the license that you want, which is quite useful."

"It's expensive, but compared to the competition it's okay."

"Go for long term pricing negotiated at the time of purchase."

"The cost of Fortinet FortiGate is competitive and not expensive compared to other enterprise- grade solutions. On average, the license cost per year is around seventy percent of the firewall's purchase price."

"The price is fine."

"The price of the license and warranty can be better because it is very expensive."

"The support subscription for the solution is annual. You are paying for support and there are two levels of support, professional and advanced."

More Fortinet FortiGate pricing and cost advice

"It is open source and free."

"I'm using the free version of OPNsense. I didn't check the pricing for the solution because I still need to test it before getting the approval to purchase OPNsense, and it isn't easy to get approval from the higher-ups."

"I would rate the pricing three out of ten."

"As an appliance, it's in the medium price range."

"We are not paying any licensing fees. OPNsense is completely free for us."

"It is free."

"Its pricing is unbeatable in comparison to other firewalls. You can have a small instance that could be €80 a month with the hardware underneath. Azure Firewall and FortiGate are out of the question at this price. If you are on a public cloud, you need the underlying infrastructure. Other than that, there is no additional cost. If you have it on-prem, you have to buy the server or the appliance. The hardware cost is replaced with the infrastructure cost in the cloud. You also have costs for the public IPs and underlying VMs, but that's not related to OPNsense. It would be the same for a FortiGate deployment on Azure. You need a FortiGate license, and you need the underlying infrastructure that scales up depending on your needs."

"OPNsense is a well known open-source tool."

More OPNsense pricing and cost advice

See which vendors are best for you

Use our free recommendation engine to learn which Firewalls solutions are best for your needs.

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Comparison Review

it_user216600

Senior Technical Consultant with 51-200 employees

Jan 3, 2016

Sophos UTM vs. Fortinet FortiGate

I have used both Sophos and Fortinet products in production and I have found the Sophos UTM appliances (hardware and virtual) to be a better fit most of the time -- with a few caveats which I will touch on below. In both instances, the transition from TMG will be mostly straightforward. The main…

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Top Industries

By visitors reading reviews

Educational Organization

22%

Computer Software Company

14%

Comms Service Provider

Manufacturing Company

Computer Software Company

16%

Comms Service Provider

13%

Government

Educational Organization

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

Questions from the Community

Which is the better NGFW: Fortinet Fortigate or Cisco Firepower?

When you compare these firewalls you can identify them with different features, advantages, practices and usage at large. In my opinion, Fortinet would be the best option and l use Fortinet too...

What is the biggest difference between Sophos XG and FortiGate?

From my experience regarding both the Sophos and FortiGate firewalls, I personally would rather use FortiGate. I know the firewalls change every 5 to 7 years as stated but you really do need to upg...

What are the biggest technical differences between Sophos UTM and Fortinet FortiGate?

As a solution, Sophos UTM offers a lot of functionality, it scales well, and the stability and performance are quite good. The most valuable features for me are their web and email filtering. I wou...

What is the difference between PfSense and OPNsense?

Two of the most common and well recognized firewalls, PfSense and OPNsense both support site-to-site IPsec VPN and client, Open VPN and client, and PPTP client. Both also have intrusion detection a...

What do you like most about OPNsense?

What I like the most about OPNsense is that it offers an easy-to-use dashboard for device management and control.

What is your experience regarding pricing and costs for OPNsense?

I consider the pricing of OPNsense to be high when compared with other market products. However, as a free firewall product, it is one of the best available currently.

Sophos XG vs Fortinet FortiGate

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Product Reports

Fortinet FortiGate

Download Fortinet FortiGate product report

Download OPNsense product report

Also Known As

FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate, Fortinet Firewall

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Overview

Fortinet FortiGate offers comprehensive network security and firewall protection across multiple locations. It effectively manages data traffic and secures environments with features like VPN, intrusion prevention, and UTM controls.

Organizations rely on Fortinet FortiGate for its robust integration with advanced security policies, ensuring significant protection for enterprises, cloud environments, and educational sectors. It facilitates network segmentation, application-level security, and authentication management, securing communication within and between locations such as branches and data centers. Its efficient SD-WAN and UTM features enable streamlined data management and enhanced threat protection capabilities. Users appreciate its centralized management, facilitating seamless operations across diverse environments.

What are the key features of Fortinet FortiGate?

VPN Capabilities: Ensure secure remote access for users and seamless site-to-site connections.
Intrusion Prevention System (IPS): Detect and prevent security threats and vulnerabilities.
Advanced Firewall: Offers robust firewalling with application control and web filtering.
SD-WAN: Optimizes application performance and enhances bandwidth management.
SSL VPN: Provides reliable and secure access for remote workers.

What benefits should users expect from Fortinet FortiGate?

High-performance Security: Delivers effective threat mitigation with high availability.
Centralized Management: Simplifies network operations with cloud-based management tools.
Detailed Analytics: Provides comprehensive insights into network activity and security threats.
Load Balancing: Ensures optimal resource distribution and traffic management.

Fortinet FortiGate is crucial in sectors like education, offering robust networks for secure data flow between campuses and facilitating remote learning. In enterprise environments, it allows efficient management of application traffic and security across multiple branches, while in the cloud, it seamlessly integrates with diverse platforms to enhance security infrastructure.

Fortinet

OPNsense is widely used for firewall functionalities, intrusion detection, VPN and IPSec, content filtering, securing network traffic, and remote access. It protects internal networks and manages servers securely, suitable for small to medium-sized businesses.

OPNsense is a comprehensive firewall solution leveraging open-source technology. It integrates with third-party modules like WireGuard and CrowdSec, enhancing its security capabilities. Offering on-premises and cloud deployment, it features an intuitive graphical interface, advanced reporting, VPN functionality, IDS/IPS features, and high scalability. Users find it ideal for small businesses and home networks due to its stability and ease of use. Frequent updates and an active community support its continuous improvement. However, it needs advancements in VPN selection, scalability, and technical documentation. Enhanced high availability, threat intelligence, and integration with virtualization platforms are required. User feedback suggests improvements in connectivity, alerting, traffic monitoring, and antivirus protection.

What are the key features of OPNsense?

Strong Firewall: Robust firewall capabilities for securing network traffic.
Intrusion Detection and Prevention: Effective IDS/IPS for threat mitigation.
VPN Functionality: Comprehensive VPN support including WireGuard.
Content Filtering: DNS-level filtering for enhanced security.
Advanced Reporting: In-depth traffic analysis and reporting features.
High Scalability: Supports growing network demands.
Integration Capabilities: Works with third-party modules like CrowdSec.
Intuitive GUI: User-friendly graphical interface enhances usability.

What benefits should users look for in OPNsense reviews?

Security: High level of protection for internal networks.
Manageability: Easy management of servers and network traffic.
Cost-Effective: Open-source nature reduces costs.
Reliability: Stable performance suitable for small and medium-sized businesses.
Community Support: Active community and frequent updates.

OPNsense is implemented across various industries to secure network infrastructure and ensure reliable connectivity. In fintech, it safeguards sensitive financial data while maintaining compliance. Educational institutions deploy it to protect student information and enable secure remote learning environments. Healthcare organizations use it to secure patient data and comply with HIPAA regulations. By integrating with tools like WireGuard and CrowdSec, businesses enhance their cybersecurity posture and streamline network management, making OPNsense a versatile choice for diverse operational needs.

Sample Customers

Amazon Web Services, Microsoft, IBM, Cisco, Dell, HP, Oracle, Verizon, AT&T, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telstra, Deutsche Telekom, Comcast, Time Warner Cable, CenturyLink, NTT Communications, Tata Communications, SoftBank, China Mobile, Singtel, Telus, Rogers Communications, Bell Canada, Telkom Indonesia, Telkom South Africa, Telmex, Telia Company, Telkom Kenya

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.

Fortinet FortiGate vs. OPNsense