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KerioControl 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
318
Ranking in other categories
Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
KerioControl
Ranking in Firewalls
25th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
57
Ranking in other categories
Intrusion Detection and Prevention Software (IDPS) (14th), Unified Threat Management (UTM) (11th)
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 February 2025, in the Firewalls category, the mindshare of Fortinet FortiGate is 20.7%, up from 17.7% compared to the previous year. The mindshare of KerioControl is 1.5%, up from 0.9% compared to the previous year. The mindshare of OPNsense is 13.3%, down from 17.3% 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.
Constantnos Achilleos - PeerSpot reviewer
Leveraging geo-tagging and web filtering for enhanced network security
The solution is used for site-to-site VPN connections and it is valued for its cost efficiency and easy connectivity. It is especially beneficial for multi-site VPNs and is used in about fifteen different components KerioControl has provided a financial benefit as it allows purchasing one license…
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 features that I have found most valuable are that it is good to use, and most importantly, the pricing. The customer especially likes the discount when they trade up or something like that."
"The initial installation is very straightforward."
"It increases security posture and is helpful for firewall reporting, intrusion protection, web filtering, and SD-WAN implementation."
"Fortinet FortiGate protects against internet-based threats, both internal and external. It is scalable, stable, easy to use, and easy to install."
"​Easy to implement, and it is also reliable.​"
"The main benefit is the grouping of our security monitoring."
"It can expand easily."
"FortiGate has a strong security topic which allows all of the Fortinet devices to communicate and share information which makes their security more powerful."
"The flexibility of the system, the capacity to provide the right level of security, and the ability to be integrated into different kinds of infrastructures are the most valuable features."
"Kerio Control can be scaled easily."
"I love the VPN that we set up. A few of us have it on our computers so that if we leave, we can still access the stores. And we can work from home if needed. When I sign into that Kerio VPN, it links me like I'm sitting in the store. It puts me in our secure network so that I can sign on to each individual store and I can run numbers... If I have to work from home, it's so much faster than the way we used to do it."
"The most valuable features include geo-tagging, which blocks all other IPs except for the specified accounts, and web filtering."
"The statistic feature enables us to better use bandwidth management. We monitored the use by mobile, type of application, department, and by users. The bandwidth was solid. Our internet speed is optimized for our research."
"The solution has an app manager and a portal where you can maintain all your Keri products. It is a firewall that includes antivirus and anti-malware, which adds security. The VPNs, both site-to-site and client VPNs, are pretty easy to set up."
"The firewall and intrusion detection features are very useful these days because hackers have a lot of tricks that they use to get into a system. With Kerio Control you can see something that's happening. Otherwise, you have to use other tools to see what's happening on the firewalls. Having IPS in it is quite useful for us."
"When one of the employees of my customers is using the VPN Client, I have created for them that they will always get a message. When the VPN Client connects to Kerio Control from the outside, they will get an email so they know when they are connected and when they are disconnected what is happening to their network."
"The most valuable feature is the Dual WAN in OPNSense, which offers advanced capabilities."
"We can open a new VPN connection easily. It's much easier than with Fortinet in our experience."
"The solution has high availability."
"The initial setup is easy. It only takes 15-30 minutes to deploy."
"OPNsense is very stable, easy to upgrade, and maintain."
"The graphic user interface is very good and it is user-friendly which makes the product easy-to-use."
"URL blocking, Wireguard, Tail Scale, Engine Blocker, and VPN are the most valuable features for me."
"OPNsense could improve by making the configuration more web-based rather than shell or command-line-based."
 

Cons

"In the future, I would like to see improvements made to cloud-based management."
"They should improve the interface to make it more user-friendly."
"The solution lacks multi-language support."
"Currently, without the additional reporting module, we only have access to basic reporting."
"The setup is pretty complex and not easy to implement."
"Some of the web policy reports could be improved."
"There were quite a few problems with the stability of the system."
"The search tool needs improvement. It's very difficult to search for policies right now."
"Kerio Control has just improved on their biggest problem, which was to introduce better support for high-availability requirements in production."
"It has a VPN back to our data center but I don't think it has increased the number of VPN clients extended to those outside our environment"
"I would like to see geo-IP filtering added to the filtering rules. Incorporating these rules would be very beneficial if you have different ideas or reasons to filter, such as communication to the email server or specific websites."
"The one thing that did put me off of the solution was that, after they were taken over by GFI, the licensing and a few other items have gotten very complicated."
"KerioControl has met some of the network infrastructure needs yet could improve in terms of scalability, which I rate four out of ten."
"The solution should offer more dashboards."
"The antivirus seemed to be a bit laggy on the connection so I disconnected that. It's definitely good. The only issue we've had with any sort of cyber attack seemed to be coming from a couple of distinct locations, people trying to get into known ports on remote desktops and stuff like that. The fact that we can block all that traffic is just great. It simplifies it."
"The Kerio hardware devices look cheap and could be improved. Some of our clients are switching to Sophos because their hardware has a more sleek design."
"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 user interface could be improved, and the DNS section should be more intuitive."
"There should be more technical documentation."
"There are issues with stability and reliability."
"SD-WAN (software-defined wide area network) is integrated into some restricted service providers for OPNSense."
"I would like to see better SD-WAN performance."
"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 solution would not be suitable for anything large-scale."
 

Pricing and Cost Advice

"It's expensive, but compared to the competition it's okay."
"Fortigate's pricing is competitive."
"It is more expensive than Sophos. Fortinet is overall more expensive than Sophos. The small range of Fortinet, such as 60F and 80F, is more expensive than the small range of Sophos. Sophos is cheaper. In addition, if you jump from 80F Series to 100F Series, the price doubles."
"Fortinet is the least expensive solution."
"For the price, I'd rate it a ten because it's very cost-effective."
"The price range is quite acceptable and normal."
"The license is yearly. We pay for the top end. It's called 360."
"I do not have first-hand experience with the rice of Fortinet FortiGate, but I have heard the price was reasonable."
"The price is fine."
"It gives us a lot. It does prove to be a very robust product for the cost."
"Our clients see ROI with Kerio Control, as they are saving bandwidth costs."
"It is priced low enough for entry-level, but it has the power to grow with a company without them having to replace it."
"There is a yearly upkeep fee."
"My advice is to use your own hardware, and do not use theirs."
"I am living in Iran and we cannot buy the product from Kerio because of sanctions."
"The price of the solution is reasonable. For additional costs, you can add on more features such as antivirus."
"I would rate the pricing a nine out of ten, especially considering the availability of a free community edition."
"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."
"It's a free solution."
"We are using the paid version."
"OPNsense is a well known open-source tool."
"It is free."
"It is not an expensive product. Basically, I deployed it because it was the fastest solution to satisfy our needs in open source."
"There are no licensing costs for OPNsence."
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Top Industries

By visitors reading reviews
Educational Organization
22%
Computer Software Company
14%
Comms Service Provider
6%
Manufacturing Company
6%
Computer Software Company
22%
Financial Services Firm
9%
Comms Service Provider
8%
Media Company
8%
Computer Software Company
16%
Comms Service Provider
12%
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 ...
What do you like most about KerioControl?
The solution provides feasibility regarding cyber privacy.
What is your experience regarding pricing and costs for KerioControl?
KerioControl offers good pricing as one license covers all features needed without extra payment. The price for the p...
What needs improvement with KerioControl?
The logs could be improved for better clarity. It is difficult to understand when there is a threat attack, and handl...
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
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
Triton Technical, McDonald's
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 KerioControl vs. OPNsense and other solutions. Updated: January 2025.
838,713 professionals have used our research since 2012.