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Arista Edge Threat Management NG 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
1st
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
591
Ranking in other categories
Secure Web Gateways (SWG) (2nd), Intrusion Detection and Prevention Software (IDPS) (1st), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st), ZTNA (1st), Unified Threat Management (UTM) (1st)
Arista Edge Threat Manageme...
Ranking in Firewalls
40th
Average Rating
7.0
Reviews Sentiment
6.6
Number of Reviews
3
Ranking in other categories
No ranking in other categories
OPNsense
Ranking in Firewalls
4th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
46
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Firewalls category, the mindshare of Fortinet FortiGate is 16.0%, down from 21.6% compared to the previous year. The mindshare of Arista Edge Threat Management NG Firewall is 0.3%, up from 0.1% compared to the previous year. The mindshare of OPNsense is 8.9%, down from 10.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Firewalls Mindshare Distribution
ProductMindshare (%)
Fortinet FortiGate16.0%
OPNsense8.9%
Arista Edge Threat Management NG Firewall0.3%
Other74.8%
Firewalls
 

Featured Reviews

Abhinandan Yadav - PeerSpot reviewer
Network Security Engineer at Arrow PC Network Pvt Ltd
Unified security and sd-wan have improved uptime and cut wan costs for multi-site branches
Users report stability issues in certain versions, which requires regular updates. Real-world attacks have also highlighted the need for urgent patching of vulnerabilities.Fortinet FortiGate, while a powerful and feature-rich web firewall, could improve in areas like firmware stability, documentation, and ease of use. The learning curve can be steep for some users. For beginners, support quality can vary, and frequent updates with occasional vulnerabilities call for careful patch management. However, once Fortinet FortiGate is configured, it remains highly reliable and efficient. Customer support needs improvement, as I find it very slow, with reports from other users reflecting that customer support is inadequate.
reviewer2785293 - PeerSpot reviewer
systems engineer at a computer software company with 51-200 employees
Perimeter security has reduced botnet attacks and now needs better interface and logging
The best features Arista Edge Threat Management NG Firewall offers are its ability to push a lot of traffic along with bandwidth management and traffic policy. Bandwidth management and traffic policy help my organization by keeping our internet subscription low. Arista Edge Threat Management NG Firewall has positively impacted my organization by reducing botnet attacks. Immediately after I installed the firewall, it stopped a few botnet attacks.
Moutaz Sheikh Alard - PeerSpot reviewer
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.

Quotes from Members

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

Pros

"The solution is stable."
"We find the solution to be quite stable; it's very reliable, we don't have to worry about bugs or glitches on the system, and it doesn't crash or freeze."
"We find the most valuable aspect of this solution is the price."
"Palo Alto did a good job on the IPv6 interfaces and security policies."
"The performance of the solution 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."
"Fortinet FortiGate is a stable solution."
"Routing and reporting are two areas where the product has an added advantage compared to any other product."
"The product's initial setup phase is easy."
"Phish Blocker is a valuable feature."
"Arista Edge Threat Management NG Firewall has positively impacted my organization by reducing botnet attacks."
"I moved to OPNsense because it's more secure and more reliable."
"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."
"Overall, I would rate OPNsense as nine out of ten."
"OPNsense is a great tool for problem-solving with a VPN."
"The solution is easy to use and is accessible."
"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."
"I mostly rely on the solution's network intrusion detection and prevention system, along with other systems, CMs, and log management."
"URL blocking, Wireguard, Tail Scale, Engine Blocker, and VPN are the most valuable features for me."
 

Cons

"Fortinet FortiGate IPS could improve the configuration. In some use cases, there can be some configuration conflicts."
"The solution has many heightened points which we cannot get to without working on CLI."
"Technical support needs to be improved."
"I would like Fortinet to add more automation to FortiGate."
"The customization is a little bit difficult."
"Fortinet renewal prices for all models are too high, so they should offer discounts for customers on renewal."
"The user interface needs a bit of upgrading."
"I wish that they could integrate zero-trust technology into Fortinet FortiGate. I am not sure whether it has been done already, but if they could implement that, it would help significantly."
"The product has a lot to improve in the area of policy implementation."
"Arista Edge Threat Management NG Firewall can be improved, particularly the user interface, which is not very good, and also the logs, which are not very good."
"The documentation is not clear."
"The IPS solution could be more reliable."
"The reporting part could be better."
"The logging could improve in OPNsense."
"The IPS solution could be more reliable."
"The logging could improve in OPNsense."
"To use Intrusion detection and Antivirus Plugin it is necessary to configure proxy; without a proxy, you cannot use the ClamAV antivirus plugin."
"There are issues with stability and reliability."
"Pricing in my opinion is just too expensive. It makes no sense. It moves in the direction of a monopoly."
 

Pricing and Cost Advice

"Some of our customers are using Sophos and SonicWall due to price concerns, as they can't manage the pricing of Fortinet FortiGate."
"Their licensing costs are annual. The UTM feature license along with their support is called FortiCare. We include that as a part of the annual maintenance cost. Palo Alto or Juniper also have an annual subscription charge for UTM. Price, of course, can always be more competitive, but it is not the most expensive product. The price-performance ratio is quite high for FortiGate."
"It has a competitive price."
"In terms of the market, it's not a cheap product, but it's cost-effective."
"It could be more competitive and cost-effective."
"It is too expensive for us. My organization is very small, and we have a total of ten users. We have three internal users and seven external users. The FortiGate 100D series is too expensive for renewing the licenses."
"It's expensive, but compared to the competition it's okay."
"Its price is reasonable. They have a clear pricing policy. It is not complicated by the number of VPN users at a time. We know what the price is. The yearly subscription for the security license is rather high, but it is all included for whatever number of users you have and the kind of functions you need."
"I consider it an averagely-priced tool."
"The tool is quite cheap."
"I would rate the pricing a nine out of ten, especially considering the availability of a free community edition."
"I would rate the pricing three out of ten."
"The price of OPNsense is good."
"We are using the paid version."
"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."
"As an appliance, it's in the medium price range."
"OPNsense is a well known open-source tool."
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Top Industries

By visitors reading reviews
Computer Software Company
10%
Comms Service Provider
10%
Manufacturing Company
9%
Financial Services Firm
7%
Construction Company
36%
Comms Service Provider
9%
Healthcare Company
9%
Manufacturing Company
5%
Comms Service Provider
17%
Computer Software Company
11%
Manufacturing Company
7%
Financial Services Firm
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business367
Midsize Enterprise135
Large Enterprise193
No data available
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise6
Large Enterprise8
 

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 your experience regarding pricing and costs for Arista Edge Threat Management NG Firewall?
I consider it an averagely-priced tool. Adding additional features does not cost extra. My small company pays around ...
What needs improvement with Arista Edge Threat Management NG Firewall?
Arista Edge Threat Management NG Firewall can be improved, particularly the user interface, which is not very good, a...
What advice do you have for others considering Arista Edge Threat Management NG Firewall?
My advice to others looking into using Arista Edge Threat Management NG Firewall is that it is effective and accompli...
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 is your experience regarding pricing and costs for OPNsense?
Setup cost is almost zero as one can simulate the whole environment using open source version. Pricing seems fair eno...
What needs improvement with OPNsense?
In my opinion, OPNsense could improve by incorporating either an open side of wireless management or a way that you c...
 

Also Known As

Fortinet FortiGate Next-Generation 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 Arista Edge Threat Management NG Firewall vs. OPNsense and other solutions. Updated: April 2026.
893,438 professionals have used our research since 2012.