The solution's most valuable feature is its ability to work efficiently with large-scale firewall deployments. Also, it provides custom segmentation for the firewall without adding any additional devices. It helps in reducing the cost of testing purposes.
IT Network Engineer at a computer software company with 11-50 employees
Has an easy initial setup process, but firmware updates need improvement
Pros and Cons
- "It efficiently manages large-scale firewall deployments."
- "The solution's firmware updates have significant bugs and issues."
What is most valuable?
What needs improvement?
The solution's firmware updates have significant bugs and issues. They affect the network and firewall. This particular area needs improvement. Also, they should include an advanced firewall feature.
For how long have I used the solution?
I have been using the solution for two years.
What do I think about the stability of the solution?
I rate the solution's stability as seven.
Buyer's Guide
Fortinet FortiOS
September 2026
Learn what your peers think about Fortinet FortiOS. Get advice and tips from experienced pros sharing their opinions. Updated: September 2026.
912,022 professionals have used our research since 2012.
What do I think about the scalability of the solution?
I rate the solution's scalability a seven. The major bugs in the firmware update affect the scaling capabilities as well.
How was the initial setup?
The solution's initial setup process is easy.
What other advice do I have?
I rate the solution as a seven out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Manager at a tech services company with 51-200 employees
Great SD-WAN, IPS, and application control
Pros and Cons
- "It's very easy to use."
- "It has worked well for us overall, and we are happy with its capabilities."
- "They need to integrate more with the SD-WAN."
- "We would like to see lower pricing. The price is high."
What is most valuable?
It's very easy to use.
The SD-WAN, IPS, application control and web features are all very valuable aspects of the solution.
What needs improvement?
We haven't had any issues with the solution. It's been pretty good in general.
We would like to see the ability to maybe monitor applications that use the SD-WAN. They need to integrate more with the SD-WAN.
We would like to see lower pricing. The price is high.
For how long have I used the solution?
I've used the solution for a long time. It's been maybe ten years.
What do I think about the scalability of the solution?
We have about 100 users on the solution.
Which solution did I use previously and why did I switch?
I've also worked with Check Point.
What's my experience with pricing, setup cost, and licensing?
We have three years' worth of licensing before we have to renew anything. We renewed it about two years ago. The pricing could be a bit better.
What other advice do I have?
I'm a customer and an end-user.
I'd rate the solution nine out of ten. It has worked well for us overall, and we are happy with its capabilities.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
Fortinet FortiOS
September 2026
Learn what your peers think about Fortinet FortiOS. Get advice and tips from experienced pros sharing their opinions. Updated: September 2026.
912,022 professionals have used our research since 2012.
Networks & Securities Solutions supervisor at a tech vendor with 201-500 employees
Easy-to-manage internet gateway
Pros and Cons
- "FortiOS's best features are its function as an internet gateway and how easy it is to manage."
- "FortiOS's interface and monitoring could be improved."
- "FortiOS's stability could be better."
What is most valuable?
FortiOS's best features are its function as an internet gateway and how easy it is to manage.
What needs improvement?
FortiOS's interface and monitoring could be improved.
For how long have I used the solution?
I've been working with FortiOS for three years.
What do I think about the stability of the solution?
FortiOS's stability could be better.
How was the initial setup?
The initial setup was simple.
What's my experience with pricing, setup cost, and licensing?
FortiOS is affordable, but its price could be lower.
What other advice do I have?
I would give FortiOS a rating of nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Solutions Consultant at a manufacturing company with 11-50 employees
Useful monitoring, beneficial SSL inspection, and IDS/IPS functionality
Pros and Cons
- "The most valuable features of Fortinet FortiOS are the SD-WAN, SSL inspection, and IDS/IPS functions."
- "The best solution in the category including the price in Thailand is Fortinet FortiOS."
- "Fortinet FortiOS can improve the monitoring function, it could be more accurate, easy to use, and understandable."
What is most valuable?
The most valuable features of Fortinet FortiOS are the SD-WAN, SSL inspection, and IDS/IPS functions.
What needs improvement?
Fortinet FortiOS can improve the monitoring function, it could be more accurate, easy to use, and understandable.
For how long have I used the solution?
I have been using Fortinet FortiOS for approximately two years.
What do I think about the stability of the solution?
The stability of Fortinet FortiOS can improve.
I rate the stability of Fortinet FortiOS a nine out of ten.
What do I think about the scalability of the solution?
My colleagues like the FortiOS because it is simple, and the easiest to understand. We have approximately 300 users that are using this solution.
How are customer service and support?
I have used the support from Fortinet FortiOS. Some of the engineers who take our tickets are good but others take unnecessary steps for verification before addressing the problem.
I rate the support from Fortinet FortiOS a four out of five.
How was the initial setup?
The initial setup of Fortinet FortiOS is simple.
What's my experience with pricing, setup cost, and licensing?
The best solution in the category including the price in Thailand is Fortinet FortiOS.
Which other solutions did I evaluate?
When comparing Fortinet, Forcepoint, and Sophos, Fortinet FortiOS is the best solution.
What other advice do I have?
I rate Fortinet FortiOS an eight out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
IT Manager at ABB Enterprise Software Group
Great for data protection and good customer service and support
Pros and Cons
- "The stability of Fortinet FortiOS is great."
- "The product needs a feature that allows users to create another site on a VPN."
What is our primary use case?
The solution is great for data protection in our company, including site too site and SSH.
What is most valuable?
The stability of Fortinet FortiOS is great.
What needs improvement?
The product needs a feature that allows users to create another site on a VPN.
For how long have I used the solution?
We have used this solution with our clients for two years and are currently using version 11. Additionally, we deploy this solution on-premises.
What do I think about the stability of the solution?
The solution is stable.
What do I think about the scalability of the solution?
The solution is scalable. We have a large number of clients using this solution with their users.
How are customer service and support?
We have had a good experience with customer service and support. They are very fast.
How was the initial setup?
The initial setup was very easy to configure.
What about the implementation team?
We implemented it through our in-house technical team.
What other advice do I have?
I rate this solution a nine out of ten. The solution is very good but needs a feature that allows users to create another site on a VPN.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Great UTM features, reasonable price and scalable solution
Pros and Cons
- "The customer service and support team are excellent."
- "The report and policy optimization tools can be improved in the next release."
What is our primary use case?
This solution is deployed both on the public cloud and on-premises.
What is most valuable?
We have found the UTM features most valuable.
What needs improvement?
The report and policy optimization tools can be improved in the next release.
For how long have I used the solution?
We have been using this solution as vendors for six years.
What do I think about the stability of the solution?
The solution is stable and we haven't received any complaints.
What do I think about the scalability of the solution?
The solution is scalable.
How are customer service and support?
The customer service and support team are excellent.
How would you rate customer service and support?
Positive
How was the initial setup?
The initial setup was straightforward in comparison to other firewalls. Our implementation took approximately one hour, but it may differ for others depending on their customer requirements.
What's my experience with pricing, setup cost, and licensing?
FortiOS has a reasonable price compared to other solutions.
What other advice do I have?
I rate FortiOS an eight out of ten because I believe Fortinet can make improvements on policy optimization, reporting and traffic logs to enhance user readability.
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Director at REDCO
Easy setup and configuration, with a good interface, responsive support, and extensive configuration options
Pros and Cons
- "The solution is very easy to configure and has a good interface, plus it offers more configuration options than other vendors."
- "I would like to see fewer bugs. If you use the box with its basic features, the solution is straightforward and stable, but you can run into bugs when using newer features or in more complex use cases. They included a DNS filter as a new feature, and I had issues that required raising a ticket with customer support."
What is our primary use case?
We use the solution as a firewall, and in conjunction with Fortinet FortiMail.
What is most valuable?
The solution is very easy to configure and has a good interface, plus it offers more configuration options than other vendors.
What needs improvement?
I would like to see fewer bugs. If you use the box with its basic features, the solution is straightforward and stable, but you can run into bugs when using newer features or in more complex use cases. They included a DNS filter as a new feature, and I had issues that required raising a ticket with customer support.
For how long have I used the solution?
I've been using the solution for between 10 and 12 years.
What do I think about the stability of the solution?
The solution is very stable. There are occasional bugs, but support is very quick and helpful in resolving these issues.
How was the initial setup?
The initial setup was easy.
What's my experience with pricing, setup cost, and licensing?
A medium 100 or 200 Series box costs around $3000, and the software cost is around 55% of the hardware cost.
What other advice do I have?
Depending on the situation, performance issues may require changing out the box.
Disclosure: My company has a business relationship with this vendor other than being a customer. Reseller
Technical Presales Engineer at a educational organization with 10,001+ employees
It has high availability features so we can have one box on hot standby to take over when another one crashes
Pros and Cons
- "FortiOS allows us to set up alarms for blocked websites and SSL verifications. When someone tries to access a blocked site, the solution sends a notification to the IT manager's mailbox."
- "The user interface is easy to use."
- "FortiOS could provide a more detailed analysis of the network and connected devices."
What is our primary use case?
I was working at a bank where internal information security was strict, so I needed to block a lot of websites in Fortinet. For example, we needed to block Gmail, WhatsApp Web, porn, and violent content.
What is most valuable?
FortiOS allows us to set up alarms for blocked websites and SSL verifications. When someone tries to access a blocked site, the solution sends a notification to the IT manager's mailbox.
The user interface is easy to use. Fortinet has high availability features, so you can have an active and hot standby box. We can have two boxes in Rio and two in São Paulo. When a box crashes, we can transfer all the operations to the second box.
FortiOS tells you exactly what is happening in the first box, so you can quickly understand what went wrong and troubleshoot. Users rarely notice an impact on the daily operations.
What needs improvement?
FortiOS could provide a more detailed analysis of the network and connected devices.
For how long have I used the solution?
I used Fortinet for about nine months.
How are customer service and support?
We have a support contract with a third-party company, but Fortinet provides the licenses, so we update the solution ourselves using the license code.
What other advice do I have?
I rate Fortinet FortiOS nine out of 10.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Director, IT Infrastructure Department at Zemen Bank S.C.
Excellent management and security features
Pros and Cons
- "FortiOS' most valuable features are management, security, and easy updates with no downtime."
- "FortiOS's bandwidth and interface could be improved."
What is most valuable?
FortiOS' most valuable features are management, security, and easy updates with no downtime.
What needs improvement?
FortiOS's bandwidth and interface could be improved. In the next release, Fortinet should include an option to disable users.
For how long have I used the solution?
I've been working with Fortinet FortiOS for five years.
What do I think about the stability of the solution?
We've been using FortiOS for five years and have had no problems with stability during that time.
What do I think about the scalability of the solution?
FortiOS is scalable.
How are customer service and support?
Fortinet's technical support is good and provides good solutions for us.
How would you rate customer service and support?
Positive
Which solution did I use previously and why did I switch?
Previously, I used Cisco ASA Firewall.
How was the initial setup?
The initial setup was very simple and was completed within a week.
What about the implementation team?
The implementation was done by a reseller and a technical team from our side.
What was our ROI?
On the technical side, we have received a good ROI from FortiOS as its scalability and management are good.
What's my experience with pricing, setup cost, and licensing?
The licensing for FortiOS is good, with a security license included when we update the main license.
What other advice do I have?
I would rate FortiOS eight out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Network Engineer at Pyramid IT Solutions Pvt Ltd
Security solution that is user friendly and offers comprehensive integrations
Pros and Cons
- "This is a user friendly solution and offers comprehensive integrations."
- "The reporting for this solution could be improved. It could also be more stable and offer better pricing."
What is most valuable?
This is a user friendly solution and offers comprehensive integrations.
What needs improvement?
The reporting for this solution could be improved. It could also be more stable and offer better pricing.
For how long have I used the solution?
I have been using this solution for five years.
How are customer service and support?
The customer support for this solution is good and user-friendly.
How would you rate customer service and support?
Positive
How was the initial setup?
Installation takes two minutes.
What's my experience with pricing, setup cost, and licensing?
If you are able to afford it, I would recommend Fortinet.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer.
Buyer's Guide
Download our free Fortinet FortiOS Report and get advice and tips from experienced pros
sharing their opinions.
Updated: September 2026
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Buyer's Guide
Download our free Fortinet FortiOS Report and get advice and tips from experienced pros
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