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Cloudflare Web Application Firewall vs Imperva DDoS comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 1, 2025

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
Sponsored
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
75
Ranking in other categories
CDN (1st), Distributed Denial-of-Service (DDoS) Protection (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (14th)
Cloudflare Web Application ...
Average Rating
8.4
Reviews Sentiment
7.5
Number of Reviews
23
Ranking in other categories
Web Application Firewall (WAF) (7th)
Imperva DDoS
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
77
Ranking in other categories
CDN (7th), Web Application Firewall (WAF) (23rd), Distributed Denial-of-Service (DDoS) Protection (9th)
 

Featured Reviews

Spencer Malmad - PeerSpot reviewer
It's easy to set up because you point the DNS to it, and it's working in under 15 minutes
Cloudflare is highly scalable. Cloudflare is a system with a web portal that the end users like me see. It's a console where we can adjust the DNS, caching, and security features all in that console. Cloudflare owns thousands of servers across the world that cache the data. It's a powerful solution. When clients sign up for Cloudflare, they're getting this monster content delivery network, security, and a web application firewall in one. It's all rolled into one, and it's massive. Unless you have your website hosted on a massive hosting provider, there's no way that you can deliver the amount of data that Cloudflare can provide to the end users. If you have static content, there's no way that you can ever match what Cloudflare can do. Obviously, there are competitors to Cloudflare that do the same, but I'm saying other types of solutions. Let's say you go with F5. Great, that's on-prem. That's in your colo. You can't deliver as much data to the internet as you can with a CDN. You don't have to spend $20,000 on a net scaler, F5, or whatever Cisco's selling now. You don't have to buy that. You pay them $50 a month or $150 a month. It's totally worth it because even in five years, you'll never get the performance value, not just the actual ROI. You have to consider how much throughput you can get with Cloudflare.
SachidDoshi - PeerSpot reviewer
Offers a huge signature repository and is superiorly effective in mitigating DDoS attacks
The solution's learning curve can still be further reduced, which presently stands at two or three months. The product has a custom rule set that users can modify and manifest as needed. The vendor can probably shorten the learning curve using cutting-edge technologies like AI. The solution provider can also work around the web applications and identify the toolset that needs to be implemented to deploy the solution in less time. The vendor has launched a SASE product that can function with Cloudflare Web Application Firewall, but many improvements are needed in terms of features, such as the web filtering feature, and CASB has not yet been added.
Syed Ubaid Ali Jafri - PeerSpot reviewer
I like the content monitoring feature which I haven't seen in other WAF solutions.
They could improve by minimizing false positive results. Although this occurs less with Imperva, we would like to see some further improvements. We have been using this product for last 1 years, it's result is very impressive. But due to the excessive load on the Web site where thousands of requests‎ are generated from legitimate users, however the request in which any sequential or specialised characters are requested would be directly blocked by impreva . Currently imperva blocks the special character request generated from the user, as I conduct a test where I am parsing the encoded html values of the same special characters to the input field, imperva bypasses these encoded values for example : ' i.e. %27 or / i.e %2F, the WAF bypasses these encoded characters. I hope that this device should have a capability to detect the pattern which is associated with Xss or Xsrf, rather then by not blocking the request which contains any special characters.

Quotes from Members

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

Pros

"Generally, I am satisfied with this product."
"Smaller businesses have seen great ROI due to the low investment and strong performance."
"The most valuable feature is its usability."
"Even when there is a high load on our servers, Cloudflare is able to cache the data and serve it to users, ensuring they can still access the website."
"The DDoS protection is the most valuable aspect of the solution."
"The most valuable feature of the solution is external DNS. It is also very secure. They have their own main server and once you configure it, the product takes care of everything. There are no issues in resolving IPs and low latency is also present."
"New and innovative way to protect the client's data."
"Cloudflare has many features."
"Cloudflare WAF provides protection through rules and functionalities like Cloudflare's SDRAP."
"The rate limiting features and customizations in terms of URL match and applying policies are valuable to me."
"We like that there's load balancing, firewall capabilities, DDoS protection, et cetera, all covered by Cloudflare."
"I'm highly satisfied. It's remarkably user-friendly, enabling me to quickly identify issues, and deploy solutions, and it offers the necessary features."
"The product has a valuable security control functionality."
"The integration of Cloudflare with Cloud Suite is its most valuable feature."
"Does a good job preventing web application attacks."
"Caching is the most valuable feature of Cloudflare Web Application Firewall."
"There are quite a few useful Imperva Incapsula features. For example, one of them is the reports. The graphics are very good and it's easy to configure. The whole process is very fast and reliable too. They have good tech support as well."
"The solution's most valuable aspect is that it is easy to configure."
"The most valuable features for us are the DDoS and Bot."
"Incapsula takes care of the CDN infrastructure and bandwidth volume, providing several enterprise "load balancing" features."
"They're quite easy to install and quite easy to set up. Clients really like that. Especially when you're dealing with the cloud, it's really easy."
"IncapRules is one of the most valuable features, as you can create your own security and access control rules on top of your security policy. Using IncapRules we were able to easily block Layer 7 DDoS attacks several times."
"We have peace of mind that nobody will use malware on us or try to hack our website."
"The solution has a very good interface."
 

Cons

"There should be a specific price list for enterprise-level customers."
"Sometimes their more advanced caching tools can cause higher first-byte times and problems with JavaScript."
"The solution could work at being less expensive. It costs a lot to use it."
"The product needs to improve its automation."
"I think the APIs are a little bit hard for us to work with. The APIs could be more open so that we could integrate better with our SolarWinds or our monitoring solution."
"There might be helpful if there was some web application firewall feature."
"The documentation could improve for Cloudflare DNS."
"If they improve on the placement of their data centers, it would be better. I'm living in a remote area. I would like to connect to them without any kind of lag."
"The learning curve was steep initially."
"If they add logs history within the Cloudflare offering, that would be a great benefit."
"The dashboard could be more user-friendly."
"Cloudflare Web Application Firewall should include port forwarding features."
"A key challenge arises when dealing with numerous integrations with HVAC systems. Depending on the specifics, there might be some configuration mismatches, which necessitate specific support."
"The product can improve by having more multitenancy capability, which is currently not available."
"We have noticed some latency when the call goes through the firewall. That could be improved."
"Its stability could be better."
"I would like to see automated reporting to improve visibility."
"Analytics in the area of risk need to be improved to supply more information to the users for creating better environments."
"We faced issues regarding compliance with client procedures. The client had strict compliance rules, and Imperva needed to be on a VM, while the client required containerization, causing a conflict. They went with Imperva for the on-premise version but shelved the cloud project due to too many blockers."
"Certificate management could be improved."
"It needs to be improved every time there are new attacks."
"The solution needs to improve Integration with third parties for their on-prem deployment models. The integration is not that good yet."
"We would like them to hire people in Sweden because it's quite hard when people are sitting in the UK or Belgium because some of the customers really want them to be local."
"It would be better if we were able to manage and apply changes to multiple websites/web applications, and search WAF logs for multiple websites, via the Incapsula dashboard."
 

Pricing and Cost Advice

"The price is reasonable."
"A free version of the solution is available."
"The product's pricing is cheap."
"We are using the free version."
"The tool is a premium product, so it is very expensive."
"For Cloudflare, I recommend it heavily for small businesses with revenue under a couple of million dollars. Onboarding is easy, and they even have a free plan. This makes it simple for businesses in the $100,000-$500,000 range to try it out and see its value, allowing them to scale up their infrastructure as needed."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"The cost primarily depends on the size of the organization."
"Cloudflare Web Application Firewall is more affordable than other solutions."
"The solution's pricing option needs to be more transparent for enterprise clients."
"It starts at $20 and can easily go up to $200 monthly"
"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."
"It is not too pricey."
"The annual licensing fee is $10,000 USD."
"Cloudflare offers different types of subscriptions for businesses, enterprises, and personal users, and the pricing is negotiable."
"The solution is expensive."
"Pricing could be more competitive."
"The license is on a yearly basis."
"We are satisfied with the pricing."
"The data packages are higher than our needs so we end up paying for data that we don't use."
"​Although the pricing can be a little high, it is worth the protection and security that it offers.​"
"It is not expensive compared to the other similar solutions in this category."
"On a scale from one to ten, where one is cheap and ten is expensive, I rate the solution's pricing a five out of ten."
"Varies depending on the needs of the customer."
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Comparison Review

it_user68487 - PeerSpot reviewer
Nov 6, 2013
CloudFlare vs Incapsula: Web Application Firewall
CloudFlare vs Incapsula: Round 2 Web Application Firewall Comparative Penetration Testing Analysis Report v1.0 Summary This document contains the results of a second comparative penetration test conducted by a team of security specialists at Zero Science Lab against two cloud-based Web…
 

Top Industries

By visitors reading reviews
Educational Organization
17%
Computer Software Company
14%
Comms Service Provider
9%
Financial Services Firm
8%
Educational Organization
21%
Computer Software Company
14%
Financial Services Firm
8%
Manufacturing Company
6%
Financial Services Firm
16%
Computer Software Company
14%
Manufacturing Company
9%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Cloudflare. We are moving from Akamai prolexic to Cloudflare. Cloudflare anycast network outperforms Akamai static GR...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service...
What do you like most about Cloudflare?
Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications.
What do you like most about Cloudflare Web Application Firewall?
The product has a valuable security control functionality.
What is your experience regarding pricing and costs for Cloudflare Web Application Firewall?
Cloudflare is cheaper compared to Azure WAF, which I have considered before.
What needs improvement with Cloudflare Web Application Firewall?
The product can improve by having more multitenancy capability, which is currently not available. This improvement wo...
What do you like most about Imperva Incapsula?
We use Imperva DDoS to stop DDoS attacks and reduce the amount of unwanted queries against web services or web scraping.
What is your experience regarding pricing and costs for Imperva DDoS?
The pricing is rated a ten on a scale where ten is very expensive. The solution is only cloud-based and does not prov...
What needs improvement with Imperva DDoS?
Pricing can be improved, as it is quite expensive. Additionally, support response times for emails can sometimes be d...
 

Also Known As

Cloudflare DNS
Cloudflare WAF
Imperva Incapsula
 

Overview

 

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.
crunchbase, udacity, marketo, okcupid, zendesk
Hitachi, BNZ, Bitstamp, Moz, InnoGames, BTCChina, Wix, LivePerson, Zillow and more.
Find out what your peers are saying about Cloudflare Web Application Firewall vs. Imperva DDoS and other solutions. Updated: April 2025.
850,028 professionals have used our research since 2012.