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F5 Advanced WAF vs Imperva Web Application Firewall comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 12, 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
8.4
Reviews Sentiment
7.1
Number of Reviews
71
Ranking in other categories
CDN (1st), Distributed Denial-of-Service (DDoS) Protection (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (14th)
F5 Advanced WAF
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
67
Ranking in other categories
Web Application Firewall (WAF) (2nd)
Imperva Web Application Fir...
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Web Application Firewall (WAF) (6th)
 

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.
Richard Polyak - PeerSpot reviewer
Easy event identification, highly stable, and customizable
Generally, F5 Advanced WAF initial setup is straightforward. However, our environment was more complex and it took us a little more time to customize the solution to where we needed it to be. Additionally, the customization didn't rectify everything. We had to do customization to a certain event to prevent attacks that it wasn't catching, but that might not necessarily be the solutions' fault. It could be more of our setup than the solution's fault and not being able to run the latest version or the newer version could be more of a limitation on our ability to put it in the right place. The whole implementation to have the solution run at the level we wanted it to take approximately five months. Our company's environment is one that we can't put a canned solution in front of. Our environment, cannot have a canned solution that might fit everybody else because of how customized this environment is. It does need a lot of tuning to meet our environment's requirements. I rate the initial setup of F5 Advanced WAF a three out of five.
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.

Quotes from Members

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

Pros

"The solution provides good load balancing and protection against DDoS attacks."
"I like Cloudflare's application gateway and DDoS protection."
"The most valuable feature is the web application firewall."
"We're using dynamic components to build flexible pages to create and manage Git merge requests for code and reviews."
"New and innovative way to protect the client's data."
"The most valuable feature of Cloudflare is that it has a free version. They give us the free version with the anti-DDoS features and also the load balancing solution."
"Smaller businesses have seen great ROI due to the low investment and strong performance."
"I get a lot of value from Cloudflare's API because it enables you to build a separate environment inside the solution. You can create a domain for performing test requests before you move to the production environment and connect various domains."
"F5 Advanced WAF is a comprehensive community platform with a strong commitment, making it valuable for businesses."
"Very easy to implement and works well."
"The most valuable features of F5 Advanced WAF are SSL uploading, signature, and anomaly detection. It is overall a high-quality solution."
"This solution inspects your traffic and based on that, automatically create distinct qualities for you, so you can add this to the policy already created. That's what I like most."
"We can monitor IP locations, but we have constraints from each country. It has a replication feature. Licenses can be shared, taking turns with each license."
"The bot defense capability, as well as protection from brute force attacks and OWASP Top Ten, are notable features."
"The most valuable features of F5 Advanced WAF are the overall capabilities, there is not a comparable solution on the market."
"The most valuable features of F5 Advanced WAF are the balancer and you can change policies very easily."
"Protection is the best solution since it has profile functionality."
"Imperva has a complete picture of how the applications are utilizing it. It is handy. DDoS is good. It has an internally managed database. It is very easy to integrate. We have integrated it with SIEM services."
"The compliance is the most valuable aspect."
"It mitigates all of the availabilities of risks around web applications."
"The solution can be configured in just a couple of minutes."
"The solution is cloud-based and offers us good uptime. It has combined web and API security. Therefore, with one license, you access both application security and also API security."
"Learning mode and custom policies are helpful features."
"The most valuable features of Imperva Web Application Firewall are the monitoring of databases and the dashboards are easy to understand."
 

Cons

"They lack a good way to manage DNS as a company, since everything is relegated to single account logins until you get to the higher levels. They have come out with a paid feature to remedy this, but I have not had a chance to fully review it yet to know if it fixes the access problem."
"The product needs to improve its automation."
"We are a product integrator and reseller, and we would like to have a better partner relationship, similar to a channel sales relationship. Sometimes we are on our own or get diverted by Cloudflare because they have direct sales, which competes with us and makes it difficult to build a relationship with this company since we want to be an MSP or a managed service provider for the solution."
"Areas like how assessment, discovery, and payload are dealt with and how it all comes into your organization can be considered when trying to make suggestions to Cloudflare for improvements."
"The solution could use more analytics on the backend to give us more insights into everything. More reports would be helpful."
"There might be helpful if there was some web application firewall feature."
"In the last two years, there has been a certain amount of downtime when using the VDM."
"I believe they currently have this feature, but there will most likely be integration with APIs so we can control some features through API."
"F5 Advanced WAF could improve the precision of the scanning. There are many false positives. They should improve their threat database."
"The Sandbox integration feature could be improved."
"Compatibility with multiple cloud environments needs improvement. Both stability and scalability need to be improved."
"I would like to see a better interface and better documentation compatibility with other products. It's more complicated with OWASP."
"They should work on the virtualization of NGINX."
"The solution is tedious. It takes a lot of discrete settings so one needs to get detailed and granular when they use the solution. It takes you a whole lot of energy and concentration to configure. It needs to be much more straight-forward, like other web solutions."
"F5 Advanced needs to improve its bot protection. The solution needs to have machine learning to learn the behavior of the customer to recognize the human versus the bot. This is a difficult feature to explain to our customers. I would like documentation about the bot feature to make it easier for the customer to understand."
"The GUI interface can be confusing due to similar-looking tabs for policy building, traffic learning, and event logs."
"I don't really use it and therefore can't speak to areas of improvement."
"I would like the solution to improve its support response time."
"I think that better bot protection is needed in this solution."
"Imperva Web Application Firewall is very expensive."
"The only disadvantage of Imperva is that it is a pretty costly solution."
"They can provide an option to create reports, automatically import the entire report, and create rules again. In a real-life crisis, it would be helpful to be able to import a report and generate security rules from that report. I should be able to create a simple query and import the reports automatically. It can maybe also tell us the format of the report."
"I would like to improve the tool's turnaround time in terms of support."
"I am looking for more data enrichment. We should have the ability to add our own custom data to the system, to the live traffic."
 

Pricing and Cost Advice

"That is one of the great features. I was able to access the majority of the features and services for free."
"The tool is a premium product, so it is very expensive."
"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"It's a premium model. You can start at zero and work your way up to the enterprise model, which has a very high pricing level."
"I believe their performance has improved, but I'd like to refrain from discussing the pricing aspect related to the cloud. The pricing, in my opinion, could be simplified, and I think they should consider reevaluating the pricing for support, as it can be quite high. At times, this cost can make it challenging to choose CARFAGuard or opt for the support."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"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."
"In terms of licensing costs, we don't pay for licensing for Cloudflare. We only establish communication, then for peering, Cloudflare takes care of the cross-connection in different data centers."
"There is an annual subscription for this solution."
"I don't have any issue with the pricing of this solution."
"There is a perpetual license that comes with your hardware. There is also an additional fee for support."
"The solution is very expensive so should only be used in the right environment."
"I think the price is very high."
"F5 Advanced WAF is not a cost-effective solution. Although they are attempting to reduce prices with their VE and cloud options, they are more expensive than other solutions. The solution is more expensive on average."
"Licensing fees for this solution are paid on a yearly basis."
"It's more expensive than other solutions and depending on the modules, there can be additional fees."
"It is a very affordable solution."
"The solution's pricing is an issue."
"Imperva Web Application Firewall's pricing is expensive."
"The price is high compared to other solutions like FortiWeb."
"Imperva Web Application Firewall price is higher compared to other solutions. However, everything is included in the price."
"Everybody complains about the price of this solution."
"Licensing can range from one to twenty thousand dollars annually. Additionally, some features, including software support, require an annual subscription as well."
"The pricing is somewhat expensive. It is actually a huge investment when compared to other countries."
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Top Industries

By visitors reading reviews
Educational Organization
25%
Computer Software Company
13%
Comms Service Provider
8%
Financial Services Firm
7%
Computer Software Company
15%
Financial Services Firm
15%
Government
8%
Manufacturing Company
6%
Financial Services Firm
17%
Computer Software Company
14%
Manufacturing Company
7%
Insurance Company
6%
 

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 F5 Advanced WAF?
It's a fairly easy-to-use and user-friendly tool. My administrators and team also like its ability to customize the r...
What is your experience regarding pricing and costs for F5 Advanced WAF?
The setup cost is normal, yet not the best in terms of the commercial aspect. Other competitors like Fortinet are che...
What needs improvement with F5 Advanced WAF?
One improvement for AOF could be focusing on enhancing its AI engine to make it more mature.
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 DefensePro 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 ...
 

Also Known As

Cloudflare DNS
No data available
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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.
MAXIMUS, Vivo, American Systems, Bangladesh Post Office, City Bank
BlueCross BlueShield, eHarmony, EMF Broadcasting, GE Healthcare, Metro Bank, The Motley Fool, Siemens
Find out what your peers are saying about F5 Advanced WAF vs. Imperva Web Application Firewall and other solutions. Updated: January 2025.
831,020 professionals have used our research since 2012.