No more typing reviews! Try our Samantha, our new voice AI agent.

Fortinet FortiWeb vs R&S Web Application Firewall (DenyAll) comparison

Why PeerSpot?
 

Comparison Buyer's Guide

Executive Summary

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 FortiWeb
Ranking in Web Application Firewall (WAF)
4th
Average Rating
8.0
Reviews Sentiment
6.6
Number of Reviews
122
Ranking in other categories
No ranking in other categories
R&S Web Application Firewal...
Ranking in Web Application Firewall (WAF)
47th
Average Rating
9.0
Reviews Sentiment
8.5
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Web Application Firewall (WAF) category, the mindshare of Fortinet FortiWeb is 4.1%, down from 7.5% compared to the previous year. The mindshare of R&S Web Application Firewall (DenyAll) is 0.6%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF) Mindshare Distribution
ProductMindshare (%)
Fortinet FortiWeb4.1%
R&S Web Application Firewall (DenyAll)0.6%
Other95.3%
Web Application Firewall (WAF)
 

Featured Reviews

HameedAhmed - PeerSpot reviewer
Joint Director at PAA
Security threats have been reduced through seamless deployment and strong integration with other tools
I have used Fortinet FortiWeb's integration features. We have easily integrated all of the applications with the product. Most of the applications we are using are in-house built. My technical team is looking after the best features. I have not used it extensively for maybe two and a half years. I have been involved in the installation, but I am not actually using the product. I work with it from time to time but not extensively. I would assess Fortinet FortiWeb's adaptive machine learning and artificial intelligence as having new patches installed regarding artificial intelligence, but when we bought it, I think the learning feature was there. Now they have installed artificial intelligence features through patches. We have a complete portfolio of Fortinet in our organization, including FortiMail, Fortinet FortiWeb, and FortiGate, along with multi-factor authentication. All of the products are from Fortinet. Fortinet tools integrate with each other and work in conjunction. I think Fortinet FortiWeb has helped us meet regulatory compliance because we are not a regulatory organization, but our sister organization is regulatory. We have regulatory compliance with the International Civil Aviation Authority, whose audit teams have checked our data center and these security products, and they are satisfied with us. The question about leveraging Fortinet FortiWeb's automated policy management does not pertain to my domain because I am not so technical, but I am in a management role now. My engineer is more technical than me. I would rate this product an eight point five out of ten.
SS
General Manager at 3R Technologie
Geo-localization and IP reputation help to keep our clients secure and more available
The area that should be improved is licensing. When using an active/passive cluster, we have to pay 70% of the master appliance and license for the passive server that does not work. Since we know that only one server works at a time, we should pay only one license for the appliances and for the support as well. In my opinion, this has to be improved. If possible, the client software should be a web application instead of downloading software for the management. This can avoid login problems when they update or patch.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"There are many valuable features; it has machine learning, artificial intelligence, behaviour detection, and many other features capable of detecting web attacks."
"The interface is very straightforward and easy to use."
"FortiWeb is easy to operate with a reasonably high level of protection. FortiWeb provides multiple deployment options with a physical or virtual (FortiWeb-VM) appliance, and acts either as a reverse/transparent proxy or out-of-band. It is also available on AWS and Azure."
"SSL Offloading simplifies the public certificate handling and brings additional protection features."
"The solution is good; it has a preferable price, stability and security, all which recommend it to other users."
"The tool secures our critical applications, especially the mobile money application, which is often targeted by attacks. The solution provides rapid protection and has proven reliable against various threats."
"I have a good relationship with the support teams in Peru, and we are well-supported."
"High-performance and detection engines, provide a high rate of exposure of web attacks."
"The three most valuable features that I noticed are the geo-localization of the user, the IP reputation, and the compartmental analysis."
"By publishing the application without fear, my customer has created new revenue by making the website available anytime and anywhere."
 

Cons

"It costs too much."
"Fortinet can improve their technical support, especially the response time."
"We also need configuration settings that indicate the advantages or disadvantages of enabled features."
"I would like to see more improvements with respect to threat intelligence."
"Fine-tuning is a room for improvement in Fortinet FortiWeb."
"We would like the interface to be easier to use and more user-friendly. The interface needs to be enhanced."
"The solution could have more customization."
"The machine learning feature of the solution could be improved."
"The area that should be improved is licensing."
 

Pricing and Cost Advice

"So far, I have been pretty pleased with the way it's priced and licensed. The way it's done makes it easy, especially for an organization like us, so I've been pleased with the way it's priced and licensed right now."
"The price of Fortinet FortiWeb depends from customer to customer because some customers are considering using other solutions, such as Imperva. The price of Fortinet FortiWeb sits well for the middle-sized customers that we deal with."
"It is a cost-effective product. If you need an extra module in the product, there will be an extra cost in addition to the licensing fee."
"The cost isn't expensive."
"Cheaper than others."
"Keep a loose margin between your actual bandwidth and the product sizing when using hardware appliances. Only virtual machines are upgradable to larger sizes."
"FortiWeb Web Application Firewall is not expensive."
"Its subscription prices are cheaper, and it is not very expensive. From a price perspective, Fortinet is a very well-known security vendor. Subscriptions are very simple. They have a couple of licenses on an appliance, and that's it. The cost is not that big. One license is 40K, which they give with all the products. Another one includes the subscriptions for threat prevention, IPS, sandboxing, etc, which is more than enough."
Information not available
report
Use our free recommendation engine to learn which Web Application Firewall (WAF) solutions are best for your needs.
914,351 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Outsourcing Company
10%
Manufacturing Company
9%
Comms Service Provider
9%
Financial Services Firm
9%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business61
Midsize Enterprise27
Large Enterprise37
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Fortinet FortiWeb?
The pricing for Fortinet FortiWeb varies with different models having different prices. It depends on the requirement. For VM machines, the price increases based on CPU configurations of 2, 4, or 8...
What needs improvement with Fortinet FortiWeb?
There is room for improvement in Fortinet FortiWeb. The team was only from FortiGate itself. They are making new firmware versions and releasing them before checking, which leads to many bugs in th...
What is your primary use case for Fortinet FortiWeb?
Fortinet FortiWeb is very good as a web application solution. I have been working with Fortinet FortiWeb since 2020.
Which Web Application Firewall (WAF) would you recommend? R&S or Imperva?
Imperva is a strong choice, given their security focus and ongoing R&D into the product in areas such as bot management.
 

Also Known As

FortiWeb Web Application Firewall (WAF)
Rohde & Schwarz Web Application Firewall, R&S WAF, DenyAll Web Application Security
 

Overview

 

Sample Customers

Lush, Barnabas Health, Options, Riverside Healthcare, Hillsbourough County Schools, Columbia Public Schools, Schiller AG
Information Not Available
Find out what your peers are saying about Imperva, Radware, F5 and others in Web Application Firewall (WAF). Updated: September 2026.
914,351 professionals have used our research since 2012.