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AWS WAF vs R&S Web Application Firewall (DenyAll) comparison

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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

AWS WAF
Ranking in Web Application Firewall (WAF)
8th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
63
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 AWS WAF is 3.9%, down from 6.9% 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 (%)
AWS WAF3.9%
R&S Web Application Firewall (DenyAll)0.6%
Other95.5%
Web Application Firewall (WAF)
 

Featured Reviews

Azam S M - PeerSpot reviewer
Infrastructure Lead at Danat Fz LLC
Has successfully filtered malicious traffic and allowed country-specific access controls
For improvement in AWS WAF, we can have better monitoring. One of the things that should be improved in AWS WAF is the monitoring; we need to identify the requests and where they are coming from. If it's a bot, we should differentiate the requests, whether they are automated or not. The way we see it now is just mentioned as a percentage from bots and actual users, which should include proper graphs and detailed information. We also need a feature where we can filter specific requests. If there are scripts in the requests, we should be able to filter those requests to see if there are any scripts running from them.
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

"The simple configuration and the scalability have been most valuable, and we are able to scale across all of our different AWS instances."
"AWS WAF acts as a barrier, analyzing HTTP communications between external users and web applications."
"The cloud-native nature of AWS is crucial since most of our workload is in AWS, making AWS WAF native to Amazon Web Services."
"The most valuable feature is the way it blocks threats to external applications."
"AWS WAF is pay-as-you-go, I only pay for what I'm using; there is no subscription or any payment upfront, and I can terminate use at any time, which is an advantage."
"The solution is stable."
"This product supplies options for web security for applications accessing sensitive information."
"The tool’s stability is very good."
"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

"One area that could be improved is the DDoS protection."
"We must monitor and clean up the WAF manually."
"While the complexity of the installation can vary from one service to another, overall, I would say that it and the configuration and navigation are somewhat complex."
"The solution could improve by having better rules, they are very basic at the moment."
"AWS WAF should provide better protection to its users, and the security features need to improve."
"I believe there is a need to move towards real-time analysis with the help of AI and intelligent systems in the future. This would reduce the reliance on manual work and enhance the functionality of detection protection. By incorporating AI-driven data analysis and data science techniques, we can improve the solution's user-friendliness, security compatibility, and accuracy."
"One area for improvement in AWS WAF could be the limitation on the number of rules, particularly those from third-party sources, within the free tier."
"The price could be improved."
"The area that should be improved is licensing."
 

Pricing and Cost Advice

"The solution's cost depends on the use cases."
"AWS WAF has reasonable pricing."
"The price of AWS WAF is reasonable, it is not expensive and it is not cheap."
"Its price is fair. There is a very fair amount that they charge. It has a pay-as-you-go model, so it pretty much depends on how much a user uses it. As per the cloud norms, the more you use, the more you pay. I would rate it a five out of ten in terms of pricing."
"The pricing is good and manageable."
"I would rate AWS WAF's pricing a seven out of ten."
"AWS is not that costly by comparison. They are maybe close to $40 per month. I think it was between $29 or $39."
"The product’s pricing is reasonable."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Manufacturing Company
10%
Comms Service Provider
8%
Computer Software Company
7%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise12
Large Enterprise28
No data available
 

Questions from the Community

What are the limitations of AWS WAF vs alternative WAFs?
Hi Varun, I have had experienced with several WAF deployments and deep technical assessments of the following: 1. Imperva WAF 2. F5 WAF 3. Polarisec Cloud WAF Typical limitations on cloud WAF is t...
How does AWS WAF compare to Microsoft Azure Application Gateway?
Our organization ran comparison tests to determine whether Amazon’s Web Service Web Application Firewall or Microsoft Azure Application Gateway web application firewall software was the better fit ...
What is your experience regarding pricing and costs for AWS WAF?
AWS WAF is affordable; it depends on the number of rules you apply. The licensing cost for AWS WAF is just pay-as-you-go; it is a service-based model.
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

AWS Web Application Firewall
Rohde & Schwarz Web Application Firewall, R&S WAF, DenyAll Web Application Security
 

Overview

 

Sample Customers

eVitamins, 9Splay, Senao International
Information Not Available
Find out what your peers are saying about Imperva, Radware, F5 and others in Web Application Firewall (WAF). Updated: September 2026.
912,818 professionals have used our research since 2012.