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Cisco Secure 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
317
Ranking in other categories
Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
Cisco Secure Firewall
Ranking in Firewalls
5th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
407
Ranking in other categories
Cisco Security Portfolio (3rd)
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 January 2025, in the Firewalls category, the mindshare of Fortinet FortiGate is 20.3%, up from 17.4% compared to the previous year. The mindshare of Cisco Secure Firewall is 5.8%, up from 5.7% compared to the previous year. The mindshare of OPNsense is 14.5%, down from 18.1% 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.
Jordan De Sousa - PeerSpot reviewer
Helped with the consolidation of tools and has a great dashboard
We have used different types of solutions. We had Cisco ASA for about 10 years, and then we switched to an on-site firewall to MX from Meraki, Cisco. For our cloud, we have Cisco Services Routers. The migration to the cloud has been a lot of work. Not all of our systems were compliant with being on the cloud so we had to work on some applications and delete some of them. For the old systems, we had to do extra work but for the newer systems, it was fine. The migration took around 18 months to migrate 99%. We had more than 2,000 on-prem firewall sites. Cisco helped with the migration to the cloud with the migration tool. Migrating MX was really easy and the tools helped us to migrate from the old ASA we had to the new MX. The cloud, firewalling, and CSR helped us from the data center on-premise approach to the cloud because at the time we didn't have a lot of experience with the cloud. It was easy to use the Cisco appliances in that space. I think that this solution has saved our IT staff time because of the ease of deployment. When I first started as a network engineer, it took a whole day to configure a firewall because of all the particularities you could potentially have at a site. I think that this solution saved our organization's time because security saves money because. At the end of the day, firewalls block threats. This solution helped with the consolidation of tools as we had all the observability tools in the solutions. Some 10 years ago we all had third-party solutions doing the observability. Now, we have the whole package and not only the firewall. We choose Cisco 10 or 20 years ago mostly because it was a market-leading solution. I also think it's because of MX's user-friendly solution that you can get on board easily. As far as CSA goes, I believe it's because you have a lot of features on the firewalls and it's the stability of course.
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

"Customers want to load balance more than eight lines or six internet lines. FortiGate is the only solution that can accomplish this."
"It's a user-friendly firewall. Most of the tasks are very simple. It's simple to configure and troubleshoot this firewall."
"The most valuable features of Fortinet FortiGate are the different types of profiling. It has been the most effective for me. The WAF and the antivirus profile are the most effective in network protection."
"The ease of setting the solution up is a valuable aspect for us."
"The signature database and zero-day detection are Fortinet FortiGate's most valuable features."
"The reporting you receive out of this appliance is excellent. You will not need an external management system."
"In terms of security, we have not experienced any security flaws or loopholes, and it has proven to be quite stable."
"Fortigate represents a really scalable way of delivering perimeter network security, some level of layer 7 security, WAF, and also a way to create a meshed ADVPN solution."
"The ASA has seen significant improvement due to the IPS."
"You do not have to do everything through a command line which makes it a lot easier to apply rules."
"Its ability to discover attacks is a valuable feature. All of the other features that have to do with security are good."
"The most valuables feature of this product are given by the comprehensive VPN solutions it offers and its tools for troubleshooting and debugging."
"The Inline Mode configuration works really well, and ASA works very impressively."
"The stability is good. Very simple. Upgrades are great."
"Once configured to suit your needs, these firewalls are rock solid appliances."
"The features I found most valuable in this solution, are the overall security features."
"It has firewall and VPN capabilities, which are very valuable features."
"The solution is user-friendly and easy to configure."
"It's more secure and more reliable."
"The DNS-level filtering is impressive for thwarting time scanners."
"I mostly rely on the solution's network intrusion detection and prevention system, along with other systems, CMs, and log management."
"The most valuable features are reporting, the Sensei plugin, and firewall capabilities."
"One of the most valuable features is the network checking. Additionally, the firewall and web filtering functionalities are highly useful."
"The initial implementation process is simple."
 

Cons

"Though the tool's GUI is user-friendly, it can be considered as an area with certain shortcomings where improvements are required."
"Currently, FortiGate is providing SSL VPN. But they're missing some features that are available in Palo Alto's SSL VPN."
"It should have a better pricing plan. It is too expensive. It should also have a more granular view of the attack. I don't have FortiAnalyzer, and it is difficult for me to have a complete view when there is an attack on my server."
"I would like some automated custom reporting."
"The UTM filtering needs improvement."
"The graphical user interface of Fortinet's FortiGate product does not function well with text-based interfaces."
"The logging details need to be improved."
"The Web-filter in this solution is not very good."
"There should be more integration with Microsoft Identity."
"The initial setup could be simplified, as it can be complex for new users."
"The stability is not the best."
"There is no support here in Georgia. If something goes wrong, support is not always very helpful with the other firewalls or other products."
"We would really like to see dual dual power supplies for some Cisco Firewall products."
"The solution could offer better control that would allow the ability to restrictions certain features from a website."
"It is hard to collaborate with our filtered environment."
"One of the few things that are brought up is that for the overall management, it would be great to have a cloud instance of that. And not only just a cloud instance, but one of the areas that we've looked at is using an HA type of cloud. To have the ability to have a device file within a cloud. If we had an issue with one, the other one would pick up automatically."
"On the customer-side, because I'm a small business, I need a cheaper or free solution option."
"While they do have paid options that actually gives better features, for most of the clients, if they tend to take a paid option will instead opt for Fortinet."
"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."
"I think the most important thing is that it should be easily accessible, but currently, that doesn't seem to be the case. We need a hardware platform that's based on common standards and open computing principles, which would be like a commodity and benefit us greatly."
"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 user interface could be improved, and the DNS section should be more intuitive."
"OPNsense could improve by making the configuration more web-based rather than shell or command-line-based."
"SD-WAN (software-defined wide area network) is integrated into some restricted service providers for OPNSense."
 

Pricing and Cost Advice

"The price is high compared to some of the other solutions."
"Licensing for Fortinet FortiGate is on a yearly basis. Pricing for it is a bit high. It could be cheaper."
"While Fortinet FortiGate has a higher price point compared to Sophos XG, its user-friendly interface justifies the cost."
"The cost is too high... They have to focus on more features with less cost for the customer. If you see the market, where it's going, there are a lot of players offering more features for less cost."
"The license for Fortinet FortiGate is affordable in my country."
"They need to be competitive with other solutions."
"On a scale of one being cheap and ten being expensive, I rate the tool's price as an eight."
"There is a license to use Fortinet FortiGate."
"The product is expensive."
"The pricing seems fair. It is above average."
"Cisco recently has become very expensive."
"Our individual release cycle has been quicker because the entire development and testing environment has been automated because of these virtual instances. It has aligned our development workflow. This is where we have seen the ROI increase."
"Everything with Cisco is expensive. My advice is that there are a lot better options out in the market now."
"In the past, I encountered several difficulties and misunderstandings with Cisco licensing, but now the situation has improved. The Cisco Smart Software portal is an excellent resource for keeping track of, upgrading, and researching information related to Smart Licensing and other relevant topics. It is extremely helpful. Unfortunately, since it is not my money and there is only one vendor, I am unable to provide any comments on the prices. Nevertheless, the system, along with its provision through the Cisco Smart Software portal, as well as the traditional license and subscription models, are excellent and highly beneficial."
"They have a lot of different models but most of them are really expensive."
"Cisco Firepower is a great solution, but it is expensive compared to others that can provide similar benefits for much less."
"The solution is not expensive."
"OPNsense is an open-source solution and it is free to use."
"It is free."
"We are not paying any licensing fees. OPNsense is completely free for us."
"It's not expensive."
"There are no licensing costs for OPNsence."
"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."
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Comparison Review

it_user206346 - PeerSpot reviewer
Mar 11, 2015
Cisco ASA vs. Palo Alto Networks
Cisco ASA vs. Palo Alto: Management Goodies You often have comparisons of both firewalls concerning security components. Of course, a firewall must block attacks, scan for viruses, build VPNs, etc. However, in this post I am discussing the advantages and disadvantages from both vendors concerning…
 

Top Industries

By visitors reading reviews
Educational Organization
22%
Computer Software Company
14%
Comms Service Provider
6%
Manufacturing Company
6%
Educational Organization
37%
Computer Software Company
14%
Government
5%
Manufacturing Company
5%
Computer Software Company
16%
Comms Service Provider
11%
Government
8%
Educational Organization
7%
 

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 ...
Which is better - Fortinet FortiGate or Cisco ASA Firewall?
One of our favorite things about Fortinet Fortigate is that you can deploy on the cloud or on premises. Fortinet Fort...
How does Cisco's ASA firewall compare with the Firepower NGFW?
It is easy to integrate Cisco ASA with other Cisco products and also other NAC solutions. When you understand the Cis...
Which is better - Meraki MX or Cisco ASA Firewall?
Cisco Adaptive Security Appliance (ASA) software is the operating software for the Cisco ASA suite. It supports netw...
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
Cisco ASA Firewall, Cisco Adaptive Security Appliance (ASA) Firewall, Cisco ASA NGFW, Cisco ASA, Adaptive Security Appliance, ASA, Cisco Sourcefire Firewalls, Cisco ASAv, Cisco Firepower NGFW Firewall
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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
There are more than one million Adaptive Security Appliances deployed globally. Top customers include First American Financial Corp., Genzyme, Frankfurt Airport, Hansgrohe SE, Rio Olympics, The French Laundry, Rackspace, and City of Tomorrow.
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 Cisco Secure Firewall vs. OPNsense and other solutions. Updated: January 2025.
831,158 professionals have used our research since 2012.