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OPNsense vs SonicWall NSa 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
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
39
Ranking in other categories
No ranking in other categories
SonicWall NSa
Ranking in Firewalls
18th
Average Rating
7.8
Reviews Sentiment
7.5
Number of Reviews
87
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. The mindshare of SonicWall NSa is 1.7%, up from 1.3% 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.
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.
Vijay Mohan - PeerSpot reviewer
Offers a simple console to manage multiple branches and content filtering
The centralized console is great for managing multiple branches. It's a very simple console to connect all three of our branches in the US and India. We connect through three firewalls in a single console and manage any policy. So, if we need to change a policy, the global admin can connect from anywhere and easily make changes. Log usage is also very easy. The threat prevention capabilities are very good. Preventing the latest threats is very easy. You can define rules, and it automatically alerts you. For example, if there's a sudden increase in malicious spam, it will notify you immediately.

Quotes from Members

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

Pros

"FortiGate has led to a reduction in our security budget."
"I like that they have given me a solution at a fair price."
"This is an easy solution to deploy."
"The GUI is good."
"The most valuable features of Fortinet FortiGate are it is one of the most mature firewalls in the UTM bundle."
"Fortinet FortiGate is easy to use. Anyone can easily maintain it."
"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."
"The SD-WAN is the most valuable feature."
"I feel that its valuable features are that it is simple and free."
"OPNsense could improve by making the configuration more web-based rather than shell or command-line-based."
"It has an open license. It works very well, and there is an update every month."
"It's more secure and more reliable."
"OPNsense is easy to use and open source."
"The most valuable features of OPNsense are the GUI and frequent updates."
"The most valuable features in OPNsense are reporting and visibility."
"I mostly rely on the solution's network intrusion detection and prevention system, along with other systems, CMs, and log management."
"Content Filtering and sandboxing are valuable features."
"Anti-Spam reduces unwanted mail on corporate exchange services."
"Setup is easy. Anyone with basic firewall experience can do it."
"User friendly and intuitive."
"When I switched from Fortinet to SonicWall, the number of network attacks significantly decreased."
"User-friendly with good security and application control."
"Sometimes I have some queries, and the SonicWall support team resolves my queries."
"The most valuable feature of SonicWall NSa is the control aspect of the solution."
 

Cons

"They have to just improve its performance when we enable all UTM features. When you enable all the features, the performance of FortiGate, as well as of Sophos and SonicWall, goes down."
"The performance could be a bit better. Right now, I find it to be lacking. Having good performance is very important for our work."
"The UI could be improved."
"I would like to have logs, monitoring, and reporting for a month without extra fees."
"I think they need to improve more in order to be a competitor with the leaders of the field."
"There are some tiny bugs that sometimes affect the operations. In the past revision of it, there was a bug. Because of the bug, we had to downgrade the version. It happened only with the last revision."
"I'm not sure if it's something that they already have or are developing something, however, we need some dedicated features for container security."
"The license renewal process, annual renewal price, and the web application firewall features should be improved."
"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."
"The interface needs to be simplified. It is not user-friendly."
"The support for OPNsense is good because we have documents available on the internet. The support could improve a little."
"The ability to set the VPN IP address would be a welcome addition."
"On the customer-side, because I'm a small business, I need a cheaper or free solution option."
"SD-WAN (software-defined wide area network) is integrated into some restricted service providers for OPNSense."
"You will need additional training before you can actually start to use it."
"In terms of improvement, the performance could be enhanced."
"The reporting format could be improved."
"Customer support is severely lacking with very slow response times."
"A room for improvement in SonicWall NSa is the log server because it could be more user-friendly compared to Fortinet and Palo Alto Networks. My company has many rule sets up for review, so sometimes, my team needs to use Excel for filtering, but the UI cannot support the Excel function."
"We also need to increase the throughput because the other devices are slower. The throughput will become slow. Since we're using VoIP, it tends to affect the voice quality. Even if you're using a quality service, it tends to decrease."
"I feel that the SSL VPN client software needs a lot of improvement."
"SonicWall does not support DynDNS, yet this is an important feature for smaller companies that do not have a static IP address."
"We also use the Sophos Firewall for web configuration, which we don't have in SonicWall. Only Sophos has those options. If SonicWall included that feature, that would be a benefit for us."
"Certain features like SD-WAN are sometimes confusing to configure."
 

Pricing and Cost Advice

"Go for long term pricing negotiated at the time of purchase."
"Its pricing is fine. It is on a yearly basis. Other than the licensing fee, there is no extra fee."
"It is not a very costly product if you compare it with other products. The return on investment is also good. If you compare the return of investment and money that you are spending on this product with Palo Alto, Cisco, Check Point, and other solutions, the investment is very less. We are happy with this solution. The optional licenses are there, and you can choose which one you want and which one to avoid."
"The price of Fortinet FortiGate when compared to other solutions is high. However, my knowledge of the price is from third parties and I am not sure how accurate it is. I typically work in the technical area of my organization."
"Setup cost may be not so low, as you expect, because it depends on different factors, but TCO for 5 years may pleasantly surprise you."
"Fortinet's pricing is more straightforward than other solutions. If Fortinet doesn't stick out when you're searching for a solution, you are a glutton for punishment. You only need to know two things when purchasing a Fortinet solution: your total bandwidth and bandwidth at the site. You need to estimate the future bandwidth with other solutions if your customer plans to upgrade."
"A year or two years back, its price was competitive and reasonable. That was one of the reasons that people easily switched to Fortinet. Over the last two years, the prices have increased drastically. However, the prices of others have also increased. An advantage is there from the price point but not as much as it was previously."
"Fortinet FortiGate is reasonably priced."
"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."
"We are not paying any licensing fees. OPNsense is completely free for us."
"I would rate the pricing a nine out of ten, especially considering the availability of a free community edition."
"It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
"We are using the paid version."
"OPNsense is an open-source solution and it is free to use."
"It is open source and free."
"I would rate the pricing three out of ten."
"SonicWall still is only a dollar or Euro per gigabit. This means, of the IPsec, it's the cheapest solution."
"The solution is expensive. Its pricing is based on the number of users."
"The solution is cheaper than others."
"Its price is okay."
"The pricing is good and we are satisfied with the cost of this solution."
"Additional resources are too expensive."
"Compared to Fortinet and Cisco, SonicWall NSa is a cheaper solution."
"Normally, when we buy any product, we buy it with a five-year service built into it. Later on, depending on the growth of the organization, we go for a new one or an upgrade."
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Top Industries

By visitors reading reviews
Educational Organization
22%
Computer Software Company
14%
Comms Service Provider
7%
Manufacturing Company
6%
Computer Software Company
16%
Comms Service Provider
13%
Government
7%
Educational Organization
6%
Computer Software Company
15%
Manufacturing Company
7%
Educational Organization
7%
Comms Service Provider
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?
When you compare these firewalls you can identify them with different features, advantages, practices and usage a...
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 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...
What do you like most about SonicWall NSa?
The product blocks access when I visit unrecognized websites.
What is your experience regarding pricing and costs for SonicWall NSa?
I would rate the price of the product as seven out of ten.
What needs improvement with SonicWall NSa?
There are some aspects of the dashboard configuration or customization that could be improved.
 

Also Known As

FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate, Fortinet Firewall
No data available
NSA 250M, NSA 2600, NSA 3600, NSA 4600, NSA 5600, Dell SonicWALL NSA
 

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
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.
Orange County Rescue Mission, First Source, Michaels & Taylor, Green Clinic Health System, Aspire Chiltern Skills and Enterprise Centre, UnitedStack, Faith Lutheran College Redlands, Celtic Manor Resort, Star Kay White, Air Works, Unimat Life, NHS Yorkshire and Humber Commissioning Support (YHCS), Hutt City Council, Mato Grosso do Sul, Nspyre
Find out what your peers are saying about OPNsense vs. SonicWall NSa and other solutions. Updated: March 2025.
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