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Imperva Web Application Firewall vs Microsoft Azure Application Gateway comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 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)
Imperva Web Application Fir...
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Web Application Firewall (WAF) (4th)
Microsoft Azure Application...
Average Rating
7.2
Reviews Sentiment
6.8
Number of Reviews
47
Ranking in other categories
Application Delivery Controllers (ADC) (4th), Web Application Firewall (WAF) (3rd)
 

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.
Abdullah Jin - PeerSpot reviewer
Offers bot protection and DDoS Protection and protects public-facing portals
Support is one thing I wish Imperva could improve. They follow the phone model and keep rotating you from one customer service person to another. The layer one support isn't very clear about the workings of the product. My feedback is primarily about Imperva Cloud, not on-premise. On-premise is a whole new story. Support is the issue for Imperva Cloud. It's also a bit pricey. It's a premium service and very expensive. The licensing model is not very straightforward. Every feature is priced separately, and to enjoy maximum protection, you'll have to spend a lot of money. The licensing model is a bit complex, and each feature is very pricey. For example, API security and web application protection are two separate license packages.
Shehzad Ali - PeerSpot reviewer
Offers time and cost savings with integration, but user interface needs improvement
We are using it for our internal application development. We are testing those features of application gateways. We are integrating it with our solutions, application, Azure Application Gateway Microsoft has a vast variety of tools, and it blends very well. It provides a range of services, so it…

Quotes from Members

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

Pros

"Cloudflare has many features."
"What I like best about Cloudflare is that my company can use it to trace and manage applications and monitor traffic. The solution tells you if there's a spike in traffic. Cloudflare also sends you a link to check your equipment and deployment and track it through peering, so it's a valuable tool."
"It is a fast and secure DNS."
"The most valuable feature is the web application firewall."
"The most valuable feature is its usability."
"The most valuable feature of Cloudflare is the GUI. You are able to control the solution very well through the interface. There is a lot of functionality that is embedded in the service."
"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."
"New and innovative way to protect the client's data."
"Imperva Web Application Firewall is stable."
"The configurability of the tools and the ease of operation to be the most valuable feature of Imperva."
"Imperva monitors all traffic, even customer access, to the web application. Then, Imperva uses features like signatures to identify attacks like cross-site scripting or SQL injection."
"Imperva Web Application Firewall is a highly stable solution and is very mature."
"The features I have found most valuable with Imperva Web Application Firewall are account takeover protection, advanced bot protection, and API security."
"Imperva is easy to use and deploy. The UI is excellent."
"The tool's profiling feature maps all the web application directories and related components on the profile directory. It has improved the security of my client's website applications."
"The solution can scale."
"The most valuable feature of the solution is traffic management."
"The simplicity of the solution and its ability to integrate easily with others are its most valuable aspects."
"Using policies to link and manage these URL-based routing configurations is also valuable."
"The solution integrates different applications and APIs securely, enhancing overall security and network optimization."
"Microsoft has a vast variety of tools, and it blends very well."
"The solution has built-in rules that reduce alerts and are easy to configure."
"The most valuable feature is WAF."
"The most valuable features of Microsoft Azure Application Gateway are the policies, the data store they are using, and the cloud platform it operates on."
 

Cons

"The solution could use more analytics on the backend to give us more insights into everything. More reports would be helpful."
"The integration of LLMs on the dashboard is something that is needed in the tool."
"The analytics, basically the dashboard, doesn't have much to it."
"One area of improvement is in the Access Rules. Hypothetically, if we wanted to block or challenge traffic outside of the United States, the only way to currently do that (as far as I know) is to enter every single country outside of the United States. That could be a labor intensive job. A solution could be to enable users to create a rule where traffic is only allowed within a certain country."
"The solution could work at being less expensive. It costs a lot to use it."
"In the last two years, there has been a certain amount of downtime when using the VDM."
"There are some issues with the CDN services."
"Technical support is not well developed. While there are good engineers, Cloudflare does not offer hands-on technical support to fix customer problems but rather a self-service model."
"I would like to improve the tool's turnaround time in terms of support."
"Sometimes, support tickets don't get addressed quickly."
"There could be some limitations that from the converged infrastructure perspective: when you want to converge with everything and you want Imperva to get there easily because it's not a cloud component. For example, when you want to build servers and you're using OneView to manage your software-defined networks, implementing Imperva right away is not that simple. But if you're doing just a simple cloud infrastructure with servers in there, you're good to go. Also, we are not able, with Imperva, to block by signatures. Imperva by itself needs to be complemented with another service to do URL filtering."
"It should be more user-friendly. Like other web solutions, it would be helpful to be able to easily do policy configuration and identification inside the application. Understanding the in-depth configuration of a policy is somewhat difficult for an engineer, and they can improve that."
"The support for the on-premises version needs improvement."
"The user interface could be better."
"Their portal is very limited and needs improvement."
"The UI interface needs improvement."
"The product could be easier to use and implement."
"The working speed of the solution needs improvement."
"I believe that there is room for improvement in terms of additional functionality. It is an advantage to have features readily available for configuration without needing customer-defined rules."
"It could be more stable, and support could be better. It would also be better if they offered more features. For example, it lacks security features. Before we used another English solution, and we realized that some of the rules were not set up correctly and passed through the Application Gateway's English controllers. But the problem, in this case, is if you send ten rules, for example, six rules hit some issues. IP address blocking could be better. The rules, for example, don't work properly. If you have one issue, one rule or another rule will not work. This sounds like total madness to me."
"Application Gateway’s limitation is that the private and the public endpoint cannot use the same port."
"The solution should provide more security for certificate-based services so that we can implement more security on that."
"The user interface could be better."
"The pricing of the solution could be improved. Right now, it's a bit expensive."
 

Pricing and Cost Advice

"We don't have any issues with the price."
"The solution has many features but there are ones that you need to pay for. Sometimes you have to find out which is available for free and which you have to pay for."
"The cost primarily depends on the size of the organization."
"I give the price a five out of ten."
"We are using the free version."
"A free version of the solution is available."
"The product's pricing is minimal compared to other products."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"Imperva Web Application Firewall price is higher compared to other solutions. However, everything is included in the price."
"It's an excellent product, but it can be very costly."
"Licensing can range from one to twenty thousand dollars annually. Additionally, some features, including software support, require an annual subscription as well."
"The tool is expensive."
"There are some licenses that you have to buy to use some features. Its price could be better. Price is always important because, at the end of the day, customers have a budget. If you can meet the budget, you can sell, and if you don't, you cannot sell."
"Imperva Web Application Firewall's pricing is expensive."
"It is a very affordable solution."
"The cost of this solution depends on the platform."
"The product is not expensive."
"The solution is fairly priced."
"Microsoft Azure Application Gateway has less price than other application gateway solutions."
"Microsoft Azure Application Gateway is expensive."
"The solution's pricing is not complex. It is not expensive from our point of view."
"Regarding pricing for Azure Application Gateway, I would rate it at seven."
"The cost is not an issue."
"It is an expensive solution. We have an enterprise agreement, it is monthly."
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Top Industries

By visitors reading reviews
Educational Organization
17%
Computer Software Company
14%
Comms Service Provider
9%
Financial Services Firm
8%
Financial Services Firm
17%
Computer Software Company
13%
Insurance Company
8%
Manufacturing Company
6%
Computer Software Company
16%
Financial Services Firm
12%
Government
8%
Manufacturing Company
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.
Is Citrix ADC (formerly Netscaler) the best ADC to use and if not why?
For ADC, any ADC can do a good job. But in case if you want to add WAF functionality to the same ADC hardware you hav...
DDoS solutions: Any other solutions to consider aside from Radware DDoS Protection Service and F5 Silverline DDoS Protection?
You can have a look to Imperva Cloud WAF, the anti-DDoS mitigation is under 1s and works very well. I observed a lot ...
What's the difference between Azure Front Door and Application Gateway?
We found Azure Front Door to be easily scaled and very stable. The implementation is very fast and Microsoft provides...
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 Microsoft Azure Application Gateway?
Application Gateway automatically redirects unwanted users and takes care of the security aspect. It also handles the...
 

Also Known As

Cloudflare DNS
No data available
Azure Application Gateway, MS Azure Application Gateway
 

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.
BlueCross BlueShield, eHarmony, EMF Broadcasting, GE Healthcare, Metro Bank, The Motley Fool, Siemens
Lilly, AccuWeather, AIRFRANCE, Honeywell
Find out what your peers are saying about Imperva Web Application Firewall vs. Microsoft Azure Application Gateway and other solutions. Updated: April 2025.
849,686 professionals have used our research since 2012.