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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)
49th
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 August 2026, in the Web Application Firewall (WAF) category, the mindshare of AWS WAF is 4.2%, down from 7.3% compared to the previous year. The mindshare of R&S Web Application Firewall (DenyAll) is 0.5%, 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 WAF4.2%
R&S Web Application Firewall (DenyAll)0.5%
Other95.3%
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

"One common use case is using detection protection for enhancing security models in AWS. Another use case is implementing log analysis and response recovery procedures for email services."
"The features I find most useful in AWS WAF are that we can integrate and write custom regex rules where we can specify URLs or links that cannot be accessed by certain countries or specific IPs."
"The most valuable feature of AWS WAF is the extra layer of security that I have when connecting to my 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."
"Overall, this is a good product and I recommend it."
"The stability of AWS WAF is valuable."
"The biggest benefit of AWS WAF for us is to filter malicious requests, so we can protect our environment and application from malicious actors."
"We do not have to maintain the solution."
"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

"Support wise, I don't think they are that good compared to individual vendors."
"AWS WAF should provide better protection to its users, and the security features need to improve."
"The product must provide more features."
"One area that could be improved is the DDoS protection."
"The price could be improved."
"AWS WAF's signature sets have room for improvement due to false positives."
"They should work to define more threats, add more security, and make it more compliant with more security companies."
"I would like to be able to view a graphical deployment map in the user interface that will give me an overview of the configuration and help to determine whether I have missed any steps."
"The area that should be improved is licensing."
 

Pricing and Cost Advice

"It has a variable pricing scheme."
"It's cheap."
"The pricing is good and manageable."
"For Kubernetes microservices, AWS is more expensive compared to OCI. AWS costs approximately 70 cents per hour, while OCI is 50% cheaper."
"It's quite affordable. It's in the middle."
"AWS WAF has reasonable pricing."
"The price of AWS WAF is expensive if you do not know how to manage your software up or down. I price of the solution is average amongst the other competitors but it would be better if it was less expensive."
"The solution's cost depends on the use cases."
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, Fortinet, F5 and others in Web Application Firewall (WAF). Updated: August 2026.
911,039 professionals have used our research since 2012.