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KerioControl vs Zyxel Unified Security Gateway comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 7, 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
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
411
Ranking in other categories
Firewalls (2nd), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st)
KerioControl
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
58
Ranking in other categories
Firewalls (33rd), Intrusion Detection and Prevention Software (IDPS) (22nd), Unified Threat Management (UTM) (10th)
Zyxel Unified Security Gateway
Average Rating
6.6
Reviews Sentiment
4.9
Number of Reviews
4
Ranking in other categories
Unified Threat Management (UTM) (14th)
 

Featured Reviews

Vasu Gala - PeerSpot reviewer
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.
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…
Alexander Azikov - PeerSpot reviewer
A robust appliance that is reasonably priced and straightforward to set up
Although manageable, the user interface is a little bit slow and could be improved. There are two user interface options available, namely the basic and the advanced. The basic UI is not very good and doesn't have a lot of features, although it is fast. The advanced UI allows me to do whatever I want, but this is where the issue of speed exists. At one of our sites, the CPU utilization was very high, and for no reason. Technical support needs to be more responsive to requests.

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 reliability of Fortinet FortiGate is through the roof, we're experiencing 99.999% availability consistently."
"The solution has improved my organization significantly, with impactful capabilities such as sandboxing and cloud solutions, such as XDR, MDR, and EDR."
"The performance is good."
"The SD-WAN feature of Fortinet FortiGate has been most impactful in maintaining our network's integrity."
"The next-gen features, the unified threat management capabilities are something that just about everybody is interested in at this point."
"With FortiClient, you can easily connect when you are home, check out what you want to do, and connect to your network when you are not at work. You can switch on servers and you can check what is wrong."
"It enables our organization to become more productive. Also, it protects our NEtWare from viruses and malware."
"The firewall and the content filtering options are valuable."
"The traffic insight page or the administrative portal is really helpful because you can see all the internet usage down to the point where you can see if it's big files or streams. It gives us a good view of what the internet usage is of users who are coupled to an IP address. That way, if there are problems with, for example, a lot of data usage or problems with the connection, we can narrow it down to a single user or server and address the problem. It's really helpful for diagnostic data."
"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."
"I am impressed with the tool's firewall filtering capacity."
"The installation is straightforward."
"​It helps us better control internal and external communications.​"
"The solution’s firewall and intrusion detection features are quite good because you can see exactly who is attacking you and who is getting blocked."
"Kerio is a lot clearer to set up to do particular things, whereas when I do it on a Cisco or a FortiGate I have to go fight with it per week sometimes to do something I can do in 20 minutes on Kerio."
"The solution can scale well."
"This is a capable appliance and the standard features work well for us."
"The most valuable features of the solution stem from web filtering, malware protection, and antivirus."
 

Cons

"WAN load-balancing could be a lot better at detecting when a link is poor or inconsistent, and not just flat out dead."
"I believe there is room for improvement in machine learning and AI in Fortinet FortiGate."
"The support structure needs to be improved because every time we contact them, there is a delay in the response."
"There are mainly two areas of improvement in Fortinet FortiGate— the licensing cost and the timing of upgrading licenses for boxes."
"There's always something new that can be added or fixed."
"Fortinet doesn't provide multiple virtual firewalls which would facilitate end users and customers."
"MTBF: Hardware failure is more common when compared to SonicWall or Cisco ASA."
"Reporting is limited to providing an external appliance for improving the reporting capabilities of the FortiAnalyzer. It does not offer a central management and is also sold separably as an appliance."
"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 comprehensiveness of the security features could be improved upon. However, for the most part, it is pretty good. They could add more logs. I would like to see more detailed reporting, custom reporting from the logs, and more of a streamlined interface for certain aspects."
"I would like to see a little improvement in their technical support when you have a problem. I may be a little jaded because I came from Kerio when we could call and get a person on the phone who worked on the product. Every tech had their own demo setup. They had instant messaging capability with the developers. If we found a problem, then we could get a result for it quickly. Now, the product seems to be 24 hours. They have also gone to the model that if you need quicker support, then they now charge you additional for the exact same level of support that they used to give. I am assuming it's the exact same level of support that they say it is. I'm not paying extra for it. That's the biggest flaw with the product."
"The solution should offer more dashboards."
"The product's technical support is not good as it used to be."
"Kerio Control could improve by having higher availability and adding a mobile VPN channel. These additions are needed. The VPN is working fine on the Kerio Control but there needs to be a VPN client on the mobile phones, both for iOS and Android. This would be very good for us."
"There's also room for improvement in the Traffic Rules. We define networks to use a specific outgoing interface, say VSAT, shore, or marine WiFi, which is okay. But then all we have is a checkbox that says "Use other internet interfaces if this one is unavailable." What we would prefer would be to have a priority list. So if VSAT is unavailable, try to use 4G, etc. We haven't really found a reliable way of doing that in the current release."
"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"
"Sometimes it reboots when you least expect it, and that's the main issue."
"The product has some scalability and data management issues where improvements are required."
"Although manageable, the user interface is a little bit slow and could be improved."
 

Pricing and Cost Advice

"It is somewhat expensive compared to other solutions such as Sophos."
"It is cost-effective, and provides a good value for your money. The pricing, and license renewal, is very reasonable for us."
"Fortinet bundles FortiGate with other products and because of this, the price is a little expensive to some SMB enterprises."
"For the performance that we get, the price is reasonable. There are cheaper options, but they may not deliver the same kind of performance that we want. For the performance they provide, the price is acceptable."
"Fortinet FortiGate is expensive."
"It's very affordable."
"Fortinet FortiGate is reasonably priced."
"When I look around at other products, such as Sophos, Fortinet FortiGate is 20% to 30% more expensive with our current cost."
"It's very affordable."
"The price is inexpensive."
"KerioControl's pricing is reasonable. The license for KerioControl is annual. It's difficult to specify an exact cost since it varies depending on the number of users and additional software combined with it. For example, a basic box might cover 25 users, but licenses can be purchased starting from 10 users."
"The price of the solution is reasonable. For additional costs, you can add on more features such as antivirus."
"The fixed model of users and devices is a bit of a problem for us. We want to be able to expand it fast and not have to contact our supplier first to get a license... If they had a larger fixed price with unlimited users or devices, that would help. Now, it's five users each time. A pack of 100 or 200 users for a certain price would make it more dynamic and user-scalable."
"I pay approximately $50 for the solution on an annual basis."
"Search and compare."
"It's pretty expensive in licensing costs, especially if you use the product longer than one or two years. The licensing costs are still high, which I don't think is reasonable for a product like this."
"This gateway is pretty cheap."
"The price of Zyxel Unified Security Gateway is good compared to other similar products in the market."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Comms Service Provider
9%
Manufacturing Company
7%
Financial Services Firm
6%
Computer Software Company
21%
Comms Service Provider
8%
Media Company
7%
Manufacturing Company
7%
Comms Service Provider
20%
Computer Software Company
15%
Retailer
7%
Outsourcing Company
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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 do you like most about Zyxel Unified Security Gateway?
The most valuable features of the solution stem from web filtering, malware protection, and antivirus.
What is your experience regarding pricing and costs for Zyxel Unified Security Gateway?
I cannot definitively comment on whether Zyxel Unified Security Gateway is an affordable product as I haven't done co...
What needs improvement with Zyxel Unified Security Gateway?
The integration capability is quite challenging. The system is very complicated, and many features are hidden. I'm lo...
 

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
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Find out what your peers are saying about KerioControl vs. Zyxel Unified Security Gateway and other solutions. Updated: August 2025.
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