FortiOS's best features are its function as an internet gateway and how easy it is to manage.
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?
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.
Buyer's Guide
Fortinet FortiOS
October 2026
Learn what your peers think about Fortinet FortiOS. Get advice and tips from experienced pros sharing their opinions. Updated: October 2026.
918,614 professionals have used our research since 2012.
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
Buyer's Guide
Fortinet FortiOS
October 2026
Learn what your peers think about Fortinet FortiOS. Get advice and tips from experienced pros sharing their opinions. Updated: October 2026.
918,614 professionals have used our research since 2012.
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.
It has optimized the WAN environment for connecting users to the application
Pros and Cons
- "Fortinet has optimized the WAN environment for connecting users to the application."
- "We switched to Fortinet because it's easy to use and deploy, and in recent years, Fortinet has worked to combine the SD-WAN and next-gen firewall into one device, improving the ease of use."
- "Fortinet's central management needs to be improved. FortiManager's technical tool provider ability should manage all Fortinet security products. Right now, FortiManager only manages the configuration of FortiGate."
What is our primary use case?
Fortinet's SD-WAN connects the user to the application or app server on-prem or the cloud.
How has it helped my organization?
Fortinet has optimized the WAN environment for connecting users to the application.
What needs improvement?
Fortinet's central management needs to be improved. FortiManager's technical tool provider ability should manage all Fortinet security products. Right now, FortiManager only manages the configuration of FortiGate.
For how long have I used the solution?
I've been using Fortinet for about five years.
What do I think about the stability of the solution?
Fortinet's performance is stable.
What do I think about the scalability of the solution?
Fortinet is scalable. We can increase the scalability in the help center. We have 500 to 600 users now, but we plan to grow to 700 or 800 users in the next two years.
How are customer service and support?
I'm satisfied with Fortinet support.
Which solution did I use previously and why did I switch?
We switched to Fortinet because it's easy to use and deploy. In recent years, Fortinet has worked to combine the SD-WAN and next-gen firewall into one device, improving the ease of use.
How was the initial setup?
Setting up Fortinet is straightforward. It takes about 10 to 15 minutes to deploy. We have a team of five engineers to deploy, maintain, and manage Fortinet.
What about the implementation team?
We deployed Fortinet ourselves.
What other advice do I have?
I rate FortiOS nine out of 10.
Which deployment model are you using for this solution?
Hybrid Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
User-friendly interface, high performance, and low maintenance
Pros and Cons
- "The most valuable features of Fortinet FortiOS are the ease of use and user-friendly interface."
- "Some features I have found to be hidden and cannot be accessed through the graphical user interface, you can only access them through the command-line interface (CLI). All the features should be accessible through the graphical user interface."
What is most valuable?
The most valuable features of Fortinet FortiOS are the ease of use and user-friendly interface.
What needs improvement?
Some features I have found to be hidden and cannot be accessed through the graphical user interface, you can only access them through the command-line interface(CLI). All the features should be accessible through the graphical user interface.
For how long have I used the solution?
I have been using Fortinet FortiOS for approximately four years.
What do I think about the stability of the solution?
Fortinet FortiOS is a stable solution and it has high performance.
What do I think about the scalability of the solution?
The scalability depends on the cloud provider of Fortinet FortiOS, such as Amazon AWS or Microsoft Azure. They need to work according to their SLA.
How was the initial setup?
The deployment of Fortinet FortiOS is simple. The speed of the deployment depends on a lot of factors, such as a number of policies, features we need to enable, and security specifications.
What about the implementation team?
I do the deployment of Fortinet FortiOS and since it is on the cloud there is no maintenance.
What's my experience with pricing, setup cost, and licensing?
The price of Fortinet FortiOS is reasonable and it is paid annually. You are able to select the features that you want.
What other advice do I have?
I rate Fortinet FortiOS a nine out of ten.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Microsoft Azure
Disclosure: My company does not have 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: October 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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