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Azure Firewall vs OPNsense comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 16, 2024

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
Sponsored
Ranking in Firewalls
2nd
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
327
Ranking in other categories
Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
Azure Firewall
Ranking in Firewalls
14th
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
40
Ranking in other categories
Microsoft Security Suite (10th)
OPNsense
Ranking in Firewalls
3rd
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
39
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 Azure Firewall is 2.1%, down from 2.8% 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 - PeerSpot reviewer
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.
AnvarSadique - PeerSpot reviewer
Easy setup and effective traffic routing enhance security
In terms of improvements, I think the price could be a concern as Azure ( /products/microsoft-azure-reviews ) services are often more expensive compared to other firewalls. However, the functional aspects of Azure Firewall met our needs. While I found the interface not particularly user-friendly, this is a common issue across vendors.
Eddy Ramirez - PeerSpot reviewer
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.

Quotes from Members

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

Pros

"The product offers very good security."
"FortiGate is flexible and easy to use."
"The strengths of Fortinet FortiGate include network security, VPN, site-to-site tunnels, client VPN solutions, two-factor authentication for VPN clients, and SD-WAN for branch level. We have implemented these solutions for various customers."
"The most valuable feature of this solution is the analytics."
"It's super reliable. I don't think I've ever had a reliability issue with it."
"I like Fortinet FortiGate's antispam filter, SPN, and clustering features."
"FortiGate Secure SD-WAN includes best-of-breed next-generation firewall (NGFW) security, SD-WAN, advanced routing, and WAN optimization capabilities, delivering a security-driven networking WAN edge transformation in a unified offering."
"Reliability is the best feature. We faced some issues when we were setting it up, but the service, portal, and administration are good."
"The SIEM that Azure Firewall provides us is very robust."
"With Azure products, customer support is really good."
"The Layer four features are okay and meet my business needs."
"I can easily configure it."
"I find the solution to be very stable, and would rate it a ten out of ten in terms of stability."
"The solution has FQDN integration."
"There is not a single feature or single product that can ensure security."
"Azure Firewall is a cloud-native solution that removes the pain of load balancers."
"The system in general is quite flexible."
"The technical support is very good."
"I find the solution to be user-friendly. It has a lot of reports and easy settings."
"The most valuable features in OPNsense are reporting and visibility."
"It is a very good solution. I like the dashboard. I can see what is going on and manage it as I like it."
"I have found the solution has some great features overall, such as guest access capabilities, dashboards, and ease of use. There is plenty of documentation and support and it has the plugins that I needed."
"OPNsense is easy to use and open source."
"The interface and the dashboard are the most valuable features of this solution."
 

Cons

"The stability could be a bit better."
"Fortinet FortiGate is a firewall solution and once it's deployed, you can rest assured that your system is secure."
"They've become quite expensive."
"The monitor and the visibility, in this proxy, is very weak."
"I don't like that anything more than very basic reporting is not included."
"The debugging and troubleshooting has room for improvement."
"With the reports, you can see it, and you can get good feelings so upper management can go, "Oh, wow. That looks pretty." However, it's very basic."
"The product does need better support in the cloud environment. It's not exactly cloud-native right now."
"For large organizations, a third-party firewall would be an added advantage, because it would have more advanced features, things that are not in Azure Firewall."
"It has fewer features than you can get from other firewalls, like anti-spam and anti-phishing. Those kinds of things are not included. It only includes IDS and IDB."
"The solution lacks artificial intelligence and machine learning. It might be in the roadmap. However, currently, it's not available."
"There is room for further integration of AI into the system."
"When we started deploying the solution, it was not a mature product at times."
"It would be nice to be able to create groupings for servers and offer groups of IP addresses."
"We find it's different implementing it region-to-region. It might help if it was universal across all regions."
"For larger enterprises, they need to adjust the scalability."
"There are a few weaknesses. For example, there is a lack of some features that I have in certain commercial products."
"We did not like the fact that you have to configure everything with the graphic user interface. We have used other firewalls, such as FortiGate, that you can configure via code. OPNsense is not easy to integrate. When you are deploying via GitHub or another source repository, this is not possible. That's one thing we didn't like much."
"The scalability needs improvement."
"OPNsense could improve by making the configuration more web-based rather than shell or command-line-based."
"The interface of the solution is an area with shortcomings."
"The user interface could be improved, and the DNS section should be more intuitive."
"The IPS solution could be more reliable."
"The only thing that I would like to see improved is the Insight or the NetFlow analysis part. It would be good to have the possibility to dig down on the Insight platform. Right now, we can easily do only a few analyses. If this page becomes more powerful, it surely will be a well-adopted platform."
 

Pricing and Cost Advice

"The pricing or licensing of Fortinet FortiGate is quite effective as it offers different bundles that aggregate most required features, while also allowing clients the option to select specific components alone."
"You need to pay a license for this solution. Our licensing is now done in our subsidiary."
"It is expensive. You need to pay for the subscription every year, which is very expensive. The subscription includes technical support and hardware exchange in case of failure."
"We are on an annual license to use Fortinet FortiGate."
"It scales well if you know what to buy from a physical box standpoint. They seem to offer something for every level."
"I do not have first-hand experience with the rice of Fortinet FortiGate, but I have heard the price was reasonable."
"Fortinet FortiGate as a less expensive solution than Palo Alto."
"Fortigate's pricing is competitive."
"Azure Firewall is expensive."
"The total cost of ownership is much less than Palo Alto, Cisco, or any other brand."
"The solution is cheaper than other brands. My company has an enterprise contract and we finally got a good price with Azure."
"The pricing of Azure Firewall is pay-as-you-go. Fortinet also has a pay-as-you-go model, but Azure's pricing is higher and, with FortiGate, you also have the license."
"It is pay-as-you-go. So, you pay based on the usage. If I remember it well, there is a basic fee, and there is a traffic fee. It is not per month. It is per hour or something like that. It is not so expensive."
"The licensing module is good."
"Azure Firewall comes with Azure native services. We did not buy any kind of license for it. Whether you have a free subscription or a pay-as-you-go model, you can deploy the Azure Firewall service... The amount that you use will determine how much you pay."
"I rate the product pricing a five out of ten."
"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's not expensive."
"It costs about $1000."
"I would rate the pricing three out of ten."
"I would rate the pricing a nine out of ten, especially considering the availability of a free community edition."
"It is free."
"I've used the free version. My computer with two network cards at home allows me to try as many different software options as I want. I did pay for the license, but it was for the Zenarmor license, which is the packet inspection tool. They use AI for packet inspection, which integrates with OPNsense and pfSense."
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Top Industries

By visitors reading reviews
Educational Organization
21%
Computer Software Company
14%
Comms Service Provider
7%
Manufacturing Company
6%
Computer Software Company
16%
Financial Services Firm
10%
Government
10%
Manufacturing Company
7%
Computer Software Company
16%
Comms Service Provider
13%
Government
7%
Educational Organization
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Which is the better NGFW: Fortinet Fortigate or Cisco Firepower?
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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...
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 ...
What is a better choice, Azure Firewall or Palo Alto Networks NG Firewalls?
Azure Firewall Vs. Palo Alto Network NG Firewalls Both solutions provide stellar stability and security. Azure Firew...
How does Azure Firewall compare with Palo Alto Networks VM Series?
Both products are very stable and easily scalable. The setup of Azure Firewall is easy and very user-friendly and the...
Which would you recommend - FortiGate VM or Azure Firewall?
Both of these solutions are excellent options that provide flexible scalability and solid security. Fortinet Fortigat...
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 cl...
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 p...
 

Also Known As

FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate, Fortinet Firewall
No data available
No data available
 

Overview

 

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
Information Not Available
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.
Find out what your peers are saying about Azure Firewall vs. OPNsense and other solutions. Updated: April 2025.
847,862 professionals have used our research since 2012.