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Cisco Secure Firewall vs OPNsense comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 16, 2024
 

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
6th
Average Rating
8.2
Reviews Sentiment
7.5
Number of Reviews
406
Ranking in other categories
Cisco Security Portfolio (4th)
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 December 2024, in the Firewalls category, the mindshare of Fortinet FortiGate is 20.5%, up from 17.3% compared to the previous year. The mindshare of Cisco Secure Firewall is 5.8%, down from 5.9% compared to the previous year. The mindshare of OPNsense is 14.6%, down from 17.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Firewalls
 

Featured Reviews

DineshKumar28 - PeerSpot reviewer
Effective threat prevention with responsive customer support
We are using Fortinet FortiGate as a firewall Fortinet FortiGate has been invaluable. It has helped save costs due to its various features, reliable performance, very good UI, low latency, and stability. The Threat Intel engine in Fortinet FortiGate is highly rated for its effectiveness in…
Daniel Going - PeerSpot reviewer
Is intuitive in terms of troubleshooting, easy to consume, and stable
Licensing is complex, and I'd like it to be simplified. This is an area for improvement. If we could create a Firepower solution that became like an SD-WAN or a SASE solution in a box, then perhaps we could exploit that on remote sites. We've already kind of got that with Meraki, but if we could pull out some of the features from ASA Firepower and make those available in SD-WAN in SASE, then it would be pretty cool.
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

"The most valuable feature of Fortinet FortiGate is load balancing. It can provide central management and VPNA. Additionally, it has enhanced our security environment."
"It's very fast and easy to configure."
"The solution is extremely reliable."
"I really like the captive portal feature for our guest network. It has nice VLAN features in terms of separating our network. The anti-virus is also good."
"It blocks the vulnerabilities that can negatively impact us."
"Its user interface is good, and it is always working fine."
"The ability to set up remote systems is the most valuable feature."
"Fortigate's most valuable feature is that it doesn't need a push policy when writing rules."
"It integrates with various Cisco security portfolios and products, and there is an easy and seamless integration for building a complete security framework for our customers."
"So far, it has been very stable."
"The most valuable feature for the customers is that they can control what communication is allowed and what is not allowed. That is, they can allow or deny client traffic."
"One of the most valuable features is the GUI front end, which is very easy to use. But I'm also a command-line guy, and being able to access the device via command-line for advanced troubleshooting is quite important."
"An efficient, easy to deploy and dependable firewall solution."
"One of the nice things about Firepower is that you can set it to discover the environment. If that is happening, then Firepower is learning about every device, software operating system, and application running inside or across your environment. Then, you can leverage the discovery intelligence to get Firepower to select the most appropriate intrusion prevention rules to use for your environment rather than picking one of the base policies that might have 50,000 IPS rules in it, which can put a lot of overhead on your firewall. If you choose the recommendations, as long as you update them regularly, you might be able to get your rule set down to only 1,000 or 1,500, which is a significant reduction in a base rule set. This means that the firewall will give you better performance because there are less rules being checked unnecessarily. That is really useful."
"To be honest, all of the features that are provided, all the other vendor will also have. One feature we did find valuable was the CLI, it is more accurate. Additionally, I was happy with the customization, dashboards, access lists and interface."
"FMC is very good in terms of giving a lot of visibility into what the firewall is seeing, what it's stopping, and what it's letting through. It lets the administrator have a little bit of knowledge of what's coming in or out of the device. It's excellent."
"I find the solution to be user-friendly. It has a lot of reports and easy settings."
"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."
"We have found pretty much all the features of the solution to be valuable."
"The interface and the dashboard are the most valuable features of this solution."
"OPNsense is highly stable."
"OPNsense is easy to use and open source."
"One of the most valuable features is the network checking. Additionally, the firewall and web filtering functionalities are highly useful."
"OPNsense could improve by making the configuration more web-based rather than shell or command-line-based."
 

Cons

"A sandbox would be good in order to be able to inspect the emails containing spam and be able to validate the emails that contain malware, prior to delivering to the customer."
"The solution could be more user friendly."
"The anti-malware engine could use an upgrade."
"Fortinet needs more memory to save the log files. We need it to save the logs on the hardware and not in the cloud. I know this feature is available in FortiCloud, but if we need this log locally, it is not available."
"The stability could be a bit better."
"Improvement is needed in the Web Filter quotas to restrict users with allocated quotas."
"We have an issue with hotel guest vouchers."
"Web security solutions can be improved."
"I needed to be well-versed with all the command lines for Cisco ASA in order to fully utilize it. I missed this info and wasted some operational costs."
"It can probably provide a holistic view of different appliances because many customers do not have only one brand, besides the traditional SNMP protocols, to cover all their devices. There are some specific requirements in terms of configurations or actions that sometimes have to be done in a very manual way because of the different versions or brands in a customer's infrastructure. It could also have some additional analytics capabilities. It has some very interesting ways to monitor the traffic and identify false positives from the architecture and the environment. It would be good if there is a way to patch with some other industry-specific solutions and synchronize some of the information, such as what other customers experience in their operations and probably share some additional information that could be leveraged or shared among the industry. Such information would be something interesting to see. It could have AI capabilities related to how the appliances could benefit from learning the current environment and different exposures."
"Changes you make in the GUI sometimes do not reflect in the command line and vice versa."
"If I want to activate IPS features on it, I have to buy another license. If I want Cisco AnyConnect, I have to buy another license. That's where we have challenges."
"In terms of what could be improved, I would say the UTM part should be more integrated for one price, because if you buy ASA from Cisco, you need to buy another contract service from Cisco as a filter for the dictionary of attacks. In Fortinet, you buy a firewall and you have it all."
"Cisco suffers from some integration issues with other products... There is a problem with the Cisco Catalyst Switches in terms of assembling bursts and having them interact properly with the Cisco Firepower."
"The initial setup could be simplified, as it can be complex for new users."
"This solution could be more granular and user-friendly."
"When using the solution at the beginning was difficult. There was a steep learning curve."
"OPNsense showed me some problems when using it in different environments. The problem is integration with a virtual server."
"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 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 of the solution is an area with shortcomings."
"There are some add-ons that need enhancements to make management easier for users, especially the reporting features. Some reports don't show the level of detail I'm looking for, and I've had trouble installing certain add-ons, especially for Internet bandwidth shaping within my company."
"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 reporting part could be better."
 

Pricing and Cost Advice

"Before choosing a piece of equipment you have to take into account the cost-benefit offered by each one. Sometimes it is not worth paying a very cheap price to have a minimum level of security."
"Fortinet is reasonable in pricing and licensing. Overall, FortiGate is affordable. The licensing fee can be a little high, depending on the budget for your project."
"​We saved a bundle by not needing all the past appliances from an NGFW.​"
"Fortinet is the least expensive solution."
"The price of Fortinet FortiGate could improve, it is expensive."
"The price of Fortinet FortiGate is the lowest in the market."
"There is a subscription-based model to use Fortinet FortiGate. We pay annually for the solution along with the support. If you want to have all the updates, and security patches you will need to renew your support."
"Price-wise, it's at a good price point for our market."
"Always consider what you might need to reduce your wasted time and invest it in other solutions."
"It was initially heavy on my pocket, but it soon actualised its worth."
"I rate the product's price a seven on a scale of one to ten, where one is expensive, and ten is cheap."
"We are partners with Cisco. They are always one call away, which is good. They know how to keep their customers happy."
"We looking for a possible new solution because of the licensing and VPN.​"
"Pricing is high, but it is essentially a corporate decision."
"The solution’s pricing is competitive."
"The pricing could always be cheaper."
"OPNsense is a well known open-source tool."
"Its pricing is unbeatable in comparison to other firewalls. You can have a small instance that could be €80 a month with the hardware underneath. Azure Firewall and FortiGate are out of the question at this price. If you are on a public cloud, you need the underlying infrastructure. Other than that, there is no additional cost. If you have it on-prem, you have to buy the server or the appliance. The hardware cost is replaced with the infrastructure cost in the cloud. You also have costs for the public IPs and underlying VMs, but that's not related to OPNsense. It would be the same for a FortiGate deployment on Azure. You need a FortiGate license, and you need the underlying infrastructure that scales up depending on your needs."
"I would rate the pricing three out of ten."
"It's not expensive."
"It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
"It's a free solution."
"The price of OPNsense is good."
"It costs about $1000."
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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
35%
Computer Software Company
15%
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
No data available
 

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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: December 2024.
824,053 professionals have used our research since 2012.