OPNsense vs Stormshield Network Security comparison

OPNsense and Stormshield are both solutions in the Firewalls category. Additionally, 97% of OPNsense users are willing to recommend the solution, compared to 85% of Stormshield users who would recommend it.

Comparison Buyer's Guide

Download the report

Executive Summary

We performed a comparison between OPNsense and Stormshield Network Security 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 OPNsense vs. Stormshield Network Security Report (Updated: September 2025).

Buyer's Guide

OPNsense vs. Stormshield Network Security

September 2025

Download the complete report

Helped 867,497 peers since 2012

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

Featured Reviews

Vasu Gala

Manager, Information Technology Operation/Presales at TechMonarch

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.

Read full review

Moutaz Sheikh Alard

ISO 27001 Lead Implementer at a consultancy with 11-50 employees

Has helped simulate enterprise security setups and strengthens network segmentation practices

For my capstone, I use OPNsense for my project and its broader benefits for enterprise and cybersecurity context. OPNsense is an open source based firewall and routing platform. It offers enterprise-grade features such as intrusion detection and prevention system, VPN support, traffic shaping, and web filtering, all without license cost. This platform has a modular design, a clean web-based GUI, and frequent updates that prioritize security and usability. It competes with commercial firewalls such as Cisco ASA, FortiGate, and Palo Alto, but stands out because it's community-driven, cost-effective, and transparent. I find OPNsense's feature of acting as a central firewall and gateway most valuable, providing robust point segmentation between the internal network and DMZs in my capstone project, intrusion detection to monitor malicious traffic, VPN services for secure remote access, and logging and monitoring for compliance and auditing. This allows me to simulate a real-world enterprise environment on a smaller scale, demonstrating both security hardening and network efficiency. OPNsense impacts my projects and home network positively because its cost-effectiveness is perfect for lab and enterprise setup without expensive licensing. The flexibility, easy VLAN and DMZ configuration supports different zones such as web servers, mail servers, and log servers. The security-first design for IDS/IPS integration helps me showcase modern defense-in-depth strategies. The user-friendly management through the web GUI makes it possible to manage complex firewall rules clearly, which is critical when documenting and presenting a capstone. Scalability is also an advantage. Although my project is lab-based, OPNsense can scale into production deployments in SMBs and enterprise.

Read full review

Benjamin

Network Engineer at ACS2I

The intrusion detection system helps our organization by automatically detecting and responding to potential threats

The tool's most valuable feature is its dashboard, which helps you manage different aspects of a single page. The intrusion detection system helps our organization by automatically detecting and responding to potential threats. It operates similarly to Darktrace, which detects and responds automatically based on the security rules you apply. Initially, you configure everything to block, and then you can whitelist specific items as needed.

Read full review

Quotes from Members

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

Pros

"We receive substantial help from Fortinet, which is very valuable as they assist us in choosing the right solutions. If we need configuration assistance, they can send specialists who help design the solution."

"From the firewall perspective, the rules and policies are very sufficient and easy to use."

"I like FortiGate's zero-trust capabilities and protection against zero-day threats. Zero-day threat protection is critical because we're seeing constant changes in the threat landscape. The sandboxing and web access controls are also robust."

"There are many features packed and significant flexibility from Fortinet FortiGate in being able to do numerous things."

"Mainly the FortiGate reporting system is very good. It guides us through all the expectations of security. Fortinet provides us all that we need for security. Also, Fortinet FortiGate is a next-generation firewall. It is much more advanced than others."

"Fortinet FortiGate's most valuable features are the UTM package which provides internet blocking restrictions and load balancing. Additionally, the solution is easy to use and the security reporting is good. The security fabric which they have launched Fortinet FortiGate IPS, it's very good in terms of giving details."

"I am content with its user interface and functionalities."

"The next-gen features, the unified threat management capabilities are something that just about everybody is interested in at this point."

More Fortinet FortiGate pros

"The most valuable features in OPNsense are reporting and visibility."

"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."

"OPNsense is highly stable."

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

"URL blocking, Wireguard, Tail Scale, Engine Blocker, and VPN are the most valuable features for me."

"We can open a new VPN connection easily. It's much easier than with Fortinet in our experience."

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

"OPNsense impacts my projects and home network positively because its cost-effectiveness is perfect for lab and enterprise setup without expensive licensing, and the flexibility, easy VLAN and DMZ configuration supports different zones such as web servers, mail servers, and log servers."

More OPNsense pros

"I like that it works fine. Stormshield is a very good solution."

"This solution is quick and easy to configure."

"I like how you can configure the rules. There is the task for the rules and a task for the network configuration. It also provides SMD filtering, and it can be integrated with the active directory for the users, their mission, and the VPN configuration. We are here in Sudan, and Stormshield didn't work in Sudan for more than a decade. Stormshield is a very strong firewall and very easy to configure and maintain. I am just working with the firewall solution, and we don't have any other solutions like endpoint solutions or something like that."

"The tool's most valuable feature is its dashboard, which helps you manage different aspects of a single page."

"The scalability of the solution is good."

"The solution has improved my organization because I can see what traffic is happening and I can use it to block and prevent attacks."

"I can see what traffic is going on. I can easily block any programs from attacks."

"The most valuable features are the IPS, the firewall function, and the price."

More Stormshield Network Security pros

Cons

"It would be ideal if they had some sort of GUI interface for troubleshooting and diagnostics."

"Monitoring and reporting could be better."

"The stability could be a bit better."

"Not all features are available in the web UI. Features such as enabling multiple MPLS circuits can only be accomplished through the command line, so these need to be made available in the web UI."

"We would like to see an upgrade to the VPN feature, we are using the VPN from outside of our office and there is a limitation to 10 connections, more connections would be suitable."

"One drawback of Fortinet FortiGate is that they provide two types of models: one with a hard disk and another without. The model without a hard disk has very low ROM where you can store very few logs, after which you need to upload it to the cloud or purchase a firewall with SSD. That's the only drawback."

"It's one of the more expensive brands."

"The way everything is set up could be easier. Currently, people need a lot of experience and knowledge to administer it and to link it to devices."

More Fortinet FortiGate cons

"OPNsense showed me some problems when using it in different environments. The problem is integration with a virtual server."

"There should be more technical documentation."

"The solution could be more secure."

"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."

"The support for OPNsense is good because we have documents available on the internet. The support could improve a little."

"pfSense has better performance and quicker updates."

"They should improve IPEs for security in the future."

"OPNsense struggles to handle large volumes of voice traffic, indicating scalability issues in that specific use case."

More OPNsense cons

"The product must improve its pricing."

"It could be better if it were more user-friendly. It's too complicated for us to use it. The price could be better as well."

"Improvement is needed in terms of the technical support of the manufacturer."

"This is not a next-generation firewall."

"A more user-friendly interface would be helpful."

"The SD card could be more secure."

"Stormshield Network Security is quite expensive."

"With Stormshield, there are difficulties joining things, and it can be complex depending on the architecture."

More Stormshield Network Security cons

Pricing and Cost Advice

"It has been two years. I don't remember the actual price, but it was affordable. We buy the boxes and then use the license for three years."

"Fortinet is the least expensive solution."

"Pricing is lower than Cisco."

"Our licensing costs are on a yearly basis."

"Fortinet FortiGate is expensive."

"The solution's price is average."

"Price-wise, it's at a good price point for our market."

"The price is okay, so far so good."

More Fortinet FortiGate pricing and cost advice

"We are using the paid version."

"It's not expensive."

"The price of OPNsense is good."

"It's a free solution."

"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."

"OPNsense is open source software so at this time it is free for us to use."

"There are no licensing costs for OPNsence."

"The solution is not expensive."

More OPNsense pricing and cost advice

"We chose Stormshield for its price, as the Azure firewall was too expensive."

"I think the price is good."

"For mid-sized companies, they sell their appliances for good prices."

"The price of this solution and the price of support are ok."

"The pricing could be better."

"We bought a three-year license, and we renew it whenever it expires. The price could be better. It's always very expensive."

"The SN200 series costs between $500 USD and $600 USD per year, whereas the SN700 series costs approximately $1,000 annually."

See which vendors are best for you

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

See recommendations

867,497 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

15%

Comms Service Provider

Manufacturing Company

Financial Services Firm

Computer Software Company

16%

Comms Service Provider

16%

University

Manufacturing Company

Computer Software Company

19%

Comms Service Provider

16%

Government

11%

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	350
Midsize Enterprise	129
Large Enterprise	187

By reviewers
Company Size	Count
Small Business	30
Midsize Enterprise	4
Large Enterprise	8

By reviewers
Company Size	Count
Small Business	9
Midsize Enterprise	5
Large Enterprise	2

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...

See all answers

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...

See all answers

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 ...

See all answers

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...

See all answers

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.

See all answers

What is your experience regarding pricing and costs for OPNsense?

The pricing is competitive when compared to vendors like Palo and FortiNet.

See all answers

What advice do you have for others considering Stormshield Network Security?

The tool is like a firewall and works well. I don't have any issue with it. I rate it an eight out of ten.

See all answers

Comparisons

Sophos XG vs Fortinet FortiGate

Compared 17% of the time

Cisco Secure Firewall vs Fortinet FortiGate

Compared 11% of the time

Netgate pfSense vs Fortinet FortiGate

Compared 9% of the time

Cisco Meraki MX vs Fortinet FortiGate

Compared 4% of the time

SonicWall TZ vs Fortinet FortiGate

Compared 4% of the time

More Fortinet FortiGate Competitors

Netgate pfSense vs OPNsense

Compared 36% of the time

IPFire vs OPNsense

Compared 15% of the time

Sophos XG vs OPNsense

Compared 8% of the time

Untangle NG Firewall vs OPNsense

Compared 3% of the time

Sophos XGS vs OPNsense

Compared 3% of the time

More OPNsense Competitors

Netgate pfSense vs Stormshield Network Security

Compared 13% of the time

WatchGuard Firebox vs Stormshield Network Security

Compared 7% of the time

Palo Alto Networks NG Firewalls vs Stormshield Network Security

Compared 5% of the time

Sophos XGS vs Stormshield Network Security

Compared 5% of the time

Cisco Secure Firewall vs Stormshield Network Security

Compared 4% of the time

More Stormshield Network Security Competitors

Product Reports

Buyer's Guide

Fortinet FortiGate

September 2025

Download Fortinet FortiGate product report

Buyer's Guide

OPNsense

August 2025

Download OPNsense product report

Buyer's Guide

Stormshield Network Security

August 2025

Download Stormshield Network Security product report

Also Known As

No data available

NETASQ Firewalls

Overview

Fortinet FortiGate excels in providing integrated VPN, firewalling, and Unified Threat Management (UTM) with centralized management and high availability. It supports remote access and comprehensive threat protection, making it a preferred choice for securing networks.

Fortinet FortiGate offers a robust security platform with features such as strong intrusion prevention, application control, and web filtering. Its integration with Active Directory and SD-WAN functionality provides scalable solutions for large networks. Users appreciate its ease of use through centralized management interfaces, ensuring robust security with flexible configurations. However, FortiGate could enhance its graphical interface and technical support responsiveness, address firmware bugs and costly licensing, improve logging, integrate better with third-party tools, and strengthen scalability and memory for log storage. Complexity in configuration and the need for intuitive features are noted challenges, and there's a demand for advanced security, zero-trust capabilities, and AI integration.

What are the key features of Fortinet FortiGate?

VPN: Secure remote access and connectivity.
Firewalling: Protects networks from unauthorized access and attacks.
UTM: Offers a comprehensive approach to threat management.
SD-WAN: Optimizes traffic routing for efficient network performance.
Web Filtering: Controls and monitors web access and ensures Internet security.

What benefits or ROI should be considered?

Centralized Management: Simplifies administration and monitoring.
High Availability: Ensures consistent security and network availability.
Scalability: Adapts to the needs of growing networks.
Comprehensive Threat Protection: Provides robust security measures.
Ease of Use: Minimizes the complexity of security management.

Fortinet FortiGate is widely implemented across industries like education, finance, and government. Companies use it for firewall protection, VPN, and SD-WAN capabilities, ensuring secure perimeter and data center security. It facilitates remote access management and traffic routing optimization, offering reliable security and connectivity solutions.

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.

OPNsense

NETASQ's integrated intrusion prevention engine uses protocol conformity analysis, application filtering and antivirus analysis to inspect authorized traffic flows and strengthen application security. NETASQ enables you to establish and configure user-based security policies, giving you greater control over which network resources each user is authorized to access.

Stormshield

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.

ACESUR group, Ministry of Education Oman, Anios Laboratories, Zain, DLM Location

Buyer's Guide

OPNsense vs. Stormshield Network Security

September 2025

Free Report: OPNsense vs. Stormshield Network Security

Find out what your peers are saying about OPNsense vs. Stormshield Network Security and other solutions. Updated: September 2025.

DOWNLOAD NOW

867,497 professionals have used our research since 2012.

See our OPNsense vs. Stormshield Network Security report.

See our list of best Firewalls vendors.

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.