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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

Cloudflare Web Application ...
Sponsored
Ranking in Web Application Firewall (WAF)
7th
Average Rating
8.6
Reviews Sentiment
7.4
Number of Reviews
26
Ranking in other categories
No ranking in other categories
AWS WAF
Ranking in Web Application Firewall (WAF)
4th
Average Rating
8.0
Reviews Sentiment
7.0
Number of Reviews
61
Ranking in other categories
No ranking in other categories
R&S Web Application Firewal...
Ranking in Web Application Firewall (WAF)
45th
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 April 2026, in the Web Application Firewall (WAF) category, the mindshare of Cloudflare Web Application Firewall is 5.4%, down from 6.9% compared to the previous year. The mindshare of AWS WAF is 5.3%, down from 10.6% compared to the previous year. The mindshare of R&S Web Application Firewall (DenyAll) is 0.3%, 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 WAF5.3%
Cloudflare Web Application Firewall5.4%
R&S Web Application Firewall (DenyAll)0.3%
Other89.0%
Web Application Firewall (WAF)
 

Featured Reviews

DB
CTO at PlayNirvana
Advanced security reporting has protected high-traffic betting platforms from constant attacks
I don't see room for improvement to Cloudflare Web Application Firewall. One thing I don't know much about because we have a dedicated IT team for that, and I'm not involved with Cloudflare much anymore. But if I were to compare them to F5, I would like to see more features that F5 offers. F5 has an option to bring the whole infrastructure, the whole WAF and all their packages, Bot Management, and everything else on your infrastructure. You need to install certain services from their side, and then you can choose if you would like requests to hit your servers immediately or if requests need to be proxied through F5 backbone. That would be a nice addition because we have 90% of the traffic as legit traffic coming from whitelisted servers. If it comes from whitelisted servers, I don't need to go every request through the backbone; I could easily just IP whitelist everything. Then I could maybe have Bot Management on my infrastructure that drastically reduces the price of Cloudflare. I would like to see Push CDN more improved in the next release of Cloudflare Web Application Firewall. And maybe something similar to Pushpin that Fastly has, which is an option where you can push messages that then can be scaled globally over the network. From our perspective, if we have a listener that listens for stock updates, I would just need to have one processor that pushes those updates to the Cloudflare API, and then Cloudflare would broadcast that message to all listeners. Cloudflare will check the order of the message, and if you, as a customer, are not connected or have some kind of network issue, when you reconnect, you will receive the latest state and missing updates.
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

"There is a huge signature repository"
"The security features are valuable. The particular feature we use is called OWASP."
"This is a good product; it's reliable and scales well."
"Caching is the most valuable feature of Cloudflare Web Application Firewall."
"This solution does a good job of preventing web application attacks, SQL injections, and cross-site scripting attacks."
"It is a SaaS solution unlike much of the competition."
"Does a good job preventing web application attacks."
"The impact of Cloudflare Web Application Firewall's integration with existing web technologies on our site's performance and security measures is quite great, actually."
"We integrate AWS WAF with several platforms within cloud hosting and other security solutions and provisions in our business. Regarding AI, it's been around for about 20 years, so it's not new. It's just a new buzzword. I've been in security for 30 years and remember using AI when I started 25-30 years ago. We have multiple forms of AI within our business."
"AWS WAF helps mitigate different kinds of bot attacks and SQL injection that happen within the retail industry."
"The customized billing is the most valuable feature."
"The most valuable feature is the scalability because it automatically scales up or scales down as per our requirements."
"Rule groups are valuable."
"The cloud-native nature of AWS is crucial since most of our workload is in AWS, making AWS WAF native to Amazon Web Services."
"AWS WAF is very easy to use and configure on AWS."
"As a basic WAF, it's better than having nothing, so if you need something simple out of the box with default features, AWS WAF is good."
"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

"They have some limitations with third-party integrations."
"We don't even use Cloudflare Bot Management because it's too expensive; you need to pay per request, and it's much cheaper to get one or two additional machines."
"Cloudflare should update the version of the ModSecurity core rule set that they run on."
"Their documentation could be better. They don't have documentation that explains everything well. They have documentation for everything you're looking for, but they lack a single piece of documentation to tie everything together. As a new user or beginner, it took us a little bit of time to figure out how to put all these things in place."
"The learning curve was steep initially."
"Cloudflare Web Application Firewall should improve visibility for a customer."
"The dashboard could be more user-friendly."
"It would be ideal if the solution offered better log integration and more integration with different platforms."
"We need more support as we go global."
"The solution could improve by having better rules, they are very basic at the moment."
"It's a bit difficult to apply the right rules for the right security."
"There is a lot of innovation talk, however, implementation might be lacking."
"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."
"We must monitor and clean up the WAF manually."
"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."
"In a future release I would like to see automation. There's no interaction between the applications and that makes it tedious."
"The area that should be improved is licensing."
"The area that should be improved is licensing."
 

Pricing and Cost Advice

"Cloudflare Web Application Firewall is more affordable than other solutions."
"It starts at $20 and can easily go up to $200 monthly"
"The pricing model is very straightforward compared to the competition. You just pay per month for the product and usage."
"What's my experience with pricing, setup cost, and licensing? I believe the pricing is not the best, but it's reasonable and acceptable. We also use the McAfee system in parallel. In terms of pricing, its okay - not great, but not bad either. It falls in the middle, which is acceptable. In terms of support licensing, last time, we were searching for a solution, and we considered products from resellers rather than directly from the cloud provider. However, the pricing we encountered was exceptionally high. As a result, we are inclined to select support from the reseller."
"We pay $210 per month for CloudFlare WAF."
"The solution is expensive."
"The solution's pricing option needs to be more transparent for enterprise clients."
"Cloudflare offers different types of subscriptions for businesses, enterprises, and personal users, and the pricing is negotiable."
"AWS WAF costs $5 monthly plus $1 for the rule. It's cheap, cost-wise. It's worth the money."
"I rate the product price a five on a scale of one to ten, where one is high price, and ten is low price"
"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."
"The price of AWS WAF is reasonable, it is not expensive and it is not cheap."
"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."
"You need an additional AWS subscription for this product if you are buying a managed tool."
Information not available
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Top Industries

By visitors reading reviews
Construction Company
18%
Computer Software Company
8%
Comms Service Provider
7%
Manufacturing Company
7%
Financial Services Firm
15%
Computer Software Company
11%
Manufacturing Company
9%
Government
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise6
Large Enterprise6
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise12
Large Enterprise26
No data available
 

Questions from the Community

What needs improvement with Cloudflare Web Application Firewall?
I don't see room for improvement to Cloudflare Web Application Firewall. One thing I don't know much about because we...
What is your primary use case for Cloudflare Web Application Firewall?
We are using Cloudflare Web Application Firewall's advanced reporting and analytics tools with their Zero Trust, so e...
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. Im...
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...
What do you like most about AWS WAF?
The most valuable feature of AWS WAF is its highly configurable rules system.
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 mana...
 

Also Known As

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

Overview

 

Sample Customers

crunchbase, udacity, marketo, okcupid, zendesk
eVitamins, 9Splay, Senao International
Information Not Available
Find out what your peers are saying about Fortinet, F5, Imperva and others in Web Application Firewall (WAF). Updated: March 2026.
885,376 professionals have used our research since 2012.