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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 ability to take multiple data sets and match those data sets together is the solution's most valuable feature. The data lake that comes with it is very useful because that allows us to match data sets with different configurations that we wouldn't normally be able to match."
"I would recommend the product because it is very flexible and you are able to use it with multiple services within AWS."
"The most valuable feature is the way it blocks threats to external applications."
"The initial setup was very straightforward. Deployment took about ten minutes or less."
"The performance is excellent."
"The customizable features are good."
"The customized billing is the most valuable feature."
"The solution is stable."
"By publishing the application without fear, my customer has created new revenue by making the website available anytime and anywhere."
"The three most valuable features that I noticed are the geo-localization of the user, the IP reputation, and the compartmental analysis."
 

Cons

"I'd like to see improvements in its usability and functionality. I'm also concerned about being too dependent on the cloud provider's WAF version. For security, using multiple vendors and not putting all our eggs in one basket is better."
"For uniformity, AWS has a well-accepted framework. However, it'll be better for us if we could have some more documented guidelines on how the specific business should be structured and the roles that the cloud recommends."
"It would be good if the solution provided managed WAF services."
"The solution is cloud-based, and therefore the billing model that comes with it could be more intuitive, in my opinion."
"We don't have much control over blocking, because the WAF is managed by AWS."
"Support wise, I don't think they are that good compared to individual vendors."
"AWS WAF could improve by making the overall management easier. Many people that have started working with AWS WAF do not have an easy time. They should make it easy to use."
"The solution should identify why it blocks particular websites."
"The area that should be improved is licensing."
 

Pricing and Cost Advice

"I rate the product price a five on a scale of one to ten, where one is high price, and ten is low price"
"AWS WAF has reasonable pricing."
"The price of AWS WAF is reasonable, it is not expensive and it is not cheap."
"There are different scale options available for WAF."
"There are no separate licensing costs we pay for since it is included in the plan we purchase."
"There are no costs in addition to the standard licensing fees."
"It's an annual subscription."
"The pricing is good and manageable."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Manufacturing Company
10%
Comms Service Provider
7%
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: August 2026.
911,769 professionals have used our research since 2012.