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OPNsense vs SonicWall NSSP 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
364
Ranking in other categories
Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
OPNsense
Ranking in Firewalls
3rd
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
40
Ranking in other categories
No ranking in other categories
SonicWall NSSP
Ranking in Firewalls
38th
Average Rating
8.2
Reviews Sentiment
7.7
Number of Reviews
7
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2025, in the Firewalls category, the mindshare of Fortinet FortiGate is 21.4%, up from 17.8% compared to the previous year. The mindshare of OPNsense is 11.3%, down from 17.5% compared to the previous year. The mindshare of SonicWall NSSP is 0.1%, up from 0.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Firewalls
 

Featured Reviews

Vasu Gala - PeerSpot reviewer
A stable solution with an intuitive interface and quick customer service
I have been working with Fortinet FortiGate, WatchGuard, Sophos, and SonicWall. I'm not as comfortable with SonicWall because of their UI and limitations. I prefer Fortinet above all other options. When it comes to configuration, I am confident in my ability to handle various tasks, including creating policies such as firewall rules, web policies, and application policies. Additionally, I can configure VPNs and implement load balancing, among other tasks. Overall, I feel much more comfortable working with Fortinet. Fortinet has made significant improvements by integrating AI with firewalls for threat analysis and prevention. In the past 2-3 years, they have launched FortiSASE and SIEM, and they also provide SOC services. Both Palo Alto and Fortinet FortiGate are excellent. While Fortinet FortiGate comes at higher prices, the functionality and support justify the cost. They promptly resolve firmware issues and inform all support providers about configuration changes.
Akram Zaki Hussein - PeerSpot reviewer
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
The interface is user-friendly, but there's room for improvement in terms of intuitiveness. The bundle management aspect requires additional attention to make it more intuitive, especially for inspecting high-level traffic. This is crucial, especially for larger companies where the existing features might not be the most optimal choice, given limitations like printer constraints. For high availability, it's crucial to have a method in place where a designated component oversees the entire process. Given that OPNsense plays a pivotal role as a firewall, safeguarding against various threats, having a reliable backup ensures uninterrupted protection even if unforeseen events impact the primary virtual machine. It would be beneficial if OPNsense supported additional virtualization platforms like Hyper-V from Microsoft and VMware, similar to how Kaspersky has integrated them.
Lenin Christopher - PeerSpot reviewer
Enhanced security with advanced threat protection and superior support
We serve as an integrator for SonicWall, deploying this solution for customers in the media and entertainment, banking, and finance sectors. We use SonicWall to protect their environments against digital attacks SonicWall has helped us deliver security solutions effectively, particularly in…

Quotes from Members

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

Pros

"Previously, we were using another firewall device, Sophos. Compared to that, Fortinet FortiGate provides more features and better security."
"The interface is very good."
"There are lots of features and most of them are deployed for internet security. Users are protected if they accidentally go to some malicious sites."
"The most valuable feature is the ease of use."
"The ability to set up remote systems is the most valuable feature."
"I like how we can achieve total integration."
"The IPsec tunnels are very easily created, and quite interoperable with devices from other vendors."
"The Intrusion Prevention System and the web filtering are both working well."
"OPNsense is easy to scale when running on the hardware."
"The most valuable features of OPNsense are the GUI and frequent updates."
"The interface and the dashboard are the most valuable features of this solution."
"The VPN server feature is the most valuable. It is integrated with Radius and AAA for doing accounting and authentication. Insight view is also an important feature for me at this time. It allows me to assess our network traffic. I also like the firewall feature. The BSD kernel has a packet filter. It is one of the most solid frameworks for firewalls. Its user interface is one of the best interfaces I have used."
"The most valuable features are reporting, the Sensei plugin, and firewall capabilities."
"The IDS and IPS features are valuable. From the usability perspective, there is a lot of good documentation. As IT professionals, we found it very easy to configure the firewall. It was easy to configure and use."
"What I like best about OPNsense is that, as a firewall, it's pretty good. I'm quite impressed with it. I had an excellent experience with OPNsense, which helped me achieve the targets I wanted."
"We have been operating here in our lab for several months, and everything appears to be extremely stable."
"SonicWall NSSP is stable and scalable too."
"It has been delivering results efficiently. Its configurations and updates have been easy. It is also user-friendly."
"The VPN functionality is really good. Overall, the whole device is very easy to manage. The software that comes with it is also good."
"The solution's pricing is good."
"I like the filtering feature, which provides easy access. The SSL certification feature is also nice. The solution enhanced our security posture."
"The product's most valuable features are simplicity and comprehensive protection capabilities, including load balancing, IPS, antivirus, and web filtering."
"SonicWall has helped us deliver security solutions effectively, particularly in threat prevention and content filtering."
 

Cons

"I would like to see more advanced developments of a wireless controller in the future."
"The technical support that Fortinet provides is not satisfactory. When we call Fortinet technical support, it takes too much time to connect with them."
"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 feature which gives us a lot of pain is ASIC architecture."
"They have recently acquired a CNAP solution which should be integrated into FortiGate boxes natively for protection at any application layer. Since Fortinet FortiGate has Layer 7 protection, they should integrate that as soon as they can for threat detection and network detection."
"My only complaint about FortiGate is a lack of QinQ VLAN tunneling. I haven't found this feature in any Fortinet product. You can do this on all Cisco routers, including the smaller models. However, QinQ isn't available on the biggest, most expensive Fortinet units. They still don't have that. I think now we're on software version 6.0, and they still haven't found a solution for QinQ. It isn't a dealbreaker, but that's my main complaint."
"Fortinet FortiGate could be improved in terms of user friendliness at the policy level and assigning URL based and keyword based features."
"In the next release, maybe the documentation on how to use this solution could be improved."
"OPNsense struggles to handle large volumes of voice traffic, indicating scalability issues in that specific use case."
"The interface of the solution is an area with shortcomings."
"The scalability needs improvement."
"When using the solution at the beginning was difficult. There was a steep learning curve."
"pfSense has better performance and quicker updates."
"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."
"The interface isn't so friendly user. But we have some technicians here who are quite confident with this tool. OPNSense could maybe add sets of rules so it's simpler to manage different groups with particular needs."
"The solution's stability and scalability also need improvement."
"The EDR and XDR capabilities of SonicWall need to be improved."
"The product needs improvement for phishing emails."
"No security product is foolproof against hackers, intruders, and other such things. As a security product, they have to keep pace in terms of protection from new hackers and intruders."
"Its reporting functions can be improved. It has decent reporting, but you got to pay a lot more money for it. That's where it begins to fall apart. It comes with minimal zero reporting unless you buy some extra modules. With those extra modules, you can get all the data, but it takes a while to put together what you need for your customer. It is for technical people, but there is no executive summary of the reporting."
"The user interface, the GUI, could be improved."
"The platform could benefit from an improved marketing strategy."
 

Pricing and Cost Advice

"The price depends on the size of the company. From the beginning, you just want to know the internet bandwidths, speed, and the number of users to be able to offer the right product and model. They have a lot of products in FortiGate according to the size of the company, like 200D and 300D."
"Licensing for Fortinet FortiGate is on a yearly basis. Pricing for it is a bit high. It could be cheaper."
"Fortinet has one or two license types, and the VPN numbers are only limited by the hardware chassis make."
"On a scale of one being cheap and ten being expensive, I rate the tool's price as an eight."
"Pricing and licensing is a little bit complicated in FortiGate. They are always on the higher side. This is one issue that we always raise with the company that they should reduce the price according to Indian market requirements. There are no costs in addition to the standard licensing fees."
"Licensing is usually on a three-year period."
"Compared to Palo Alto, which we have used in the past, pricing and licensing are okay."
"Fortinet FortiGate is expensive."
"It's a free solution."
"It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
"It is a free solution, and when you compare it to alternatives like FortiGate, which is quite powerful but also costly, the value becomes evident."
"I would rate the pricing three out of ten."
"We are using the paid version."
"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."
"OPNsense is open source software so at this time it is free for us to use."
"We are not paying any licensing fees. OPNsense is completely free for us."
"I rate the solution's pricing a six out of ten."
"You got to buy some VPN licenses, and there might be a $40 to $50 one-time license fee per current user. There are different layers. They have several different levels of event security software and depending on the model, it seems to come out to be $1 to $2 a day. So, if you bought a three-year license, it is going to be anywhere from $900 to $1800 depending on the bundle and model that you buy."
"The setup costs and licensing are reasonable, and the solution provides good value for its features."
"The pricing is cheap, and that's where, you know, the some of the organization goes for the SonicWall."
"For SonicWall NSSP high availability, active/passive, you need to buy one license, and so you get much more value for money."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Educational Organization
14%
Comms Service Provider
8%
Manufacturing Company
6%
Computer Software Company
16%
Comms Service Provider
14%
Government
7%
Educational Organization
6%
No data available
 

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?
The pricing is competitive when compared to vendors like Palo and FortiNet.
What is your experience regarding pricing and costs for SonicWall NSSP?
SonicWall is a rather expensive solution with a rating of eight out of ten regarding its pricing. Despite being expen...
What needs improvement with SonicWall NSSP?
The EDR and XDR capabilities of SonicWall need to be improved. When compared to a brand like SentinelOne, SonicWall s...
 

Also Known As

FortiGate 60b, FortiGate 60c, FortiGate 80c, FortiGate 50b, FortiGate 200b, FortiGate 110c, FortiGate, Fortinet Firewall
No data available
SonicWall Network Security Services Platform
 

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.
Comlogic, Depaul, Hutt City Council
Find out what your peers are saying about OPNsense vs. SonicWall NSSP and other solutions. Updated: June 2025.
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