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F5 Advanced WAF vs Fortinet FortiWeb 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
7.2
Number of Reviews
74
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
8.6
Reviews Sentiment
7.2
Number of Reviews
68
Ranking in other categories
Web Application Firewall (WAF) (2nd)
Fortinet FortiWeb
Average Rating
8.0
Reviews Sentiment
6.7
Number of Reviews
95
Ranking in other categories
Web Application Firewall (WAF) (5th)
 

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.
Kacem CHAMMALI - PeerSpot reviewer
Even if an attacker detects the IP address, they can't connect directly to the server due to FortiWeb
The xFF, or X-Forwarded-For feature, IP reputation, and protected hostname. We can block access using the IP address, so no one can connect to our web server or website using the real IP. They need to use the FQDN instead. Even if an attacker detects the IP address, they can't connect directly to the server due to FortiWeb and the option to protect the hostname. All traffic passes through FortiWeb. Machine learning capabilities in FortiWeb: I don't use machine learning all the time. In the initial phase of FortiWeb deployment, we use the learning process to detect the traffic passing through FortiGate to our website.

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."
"The most valuable feature is its usability."
"I rate its stability a ten out of ten."
"When using services like Heroku, Cloudflare is very useful for CNAME flattening. I also use it for their end-to-end SSL with TLS authentication on nginx for securing servers."
"The UI is good."
"Many websites require an SSL certificate because they sell stuff and want SSL. Cloudflare comes with an SSL certificate built in. It's automatic. You sign yourself up for Cloudflare, and an SSL certificate automatically protects your website. You don't necessarily need a certificate if you have a connection between your website and your host, the server, Cloudflare, and the host."
"The most valuable features of the solution are performance and security."
"It is a fast and secure DNS."
"The AOF solution provides numerous security features."
"The most valuable features of F5 Advanced WAF are SSL uploading, signature, and anomaly detection. It is overall a high-quality solution."
"I like the security features, especially against SQL injection."
"The initial setup was was easy to install."
"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."
"I appreciate the way F5 Advanced WAF builds policies by configuring a basic policy and queuing it in learning mode."
"WAF functionality is valuable for protecting applications from attacks."
"The bot defense capability, as well as protection from brute force attacks and OWASP Top Ten, are notable features."
"The most valuable feature of Fortinet FortiWeb is the reports and the AI-based features."
"The customers are very happy with this solution because of two things. First, the IPS integration with a web application is very tightly done on Fortinet. Second, the ease of use is there. The management interface or the GUI interface is very easy to use, configure, and manage. These are the two main valuable features. It supports integration with other Fortinet products. It also integrates very well with the firewall and sandboxing technology. They already have enough integration with different technologies. They have got a complete tech intelligence view of the whole product."
"The most valuable feature of this solution is Fail-Open."
"You have the ability to control everything from one single dashboard."
"The WAF profiles has been effective at mitigating web-based threats."
"The ease of configuration is valuable. We have Azure WAF, we have OCI WAF, and we also have Cloud Armor for GCP, but their configuration isn't very easy. It's pretty simple in FortiWeb, and we can enable or configure whatever we want."
"Some of the threat detection analytics and the filtering capabilities they give us for filtering a certain type of information that we don't want coming into the site are its valuable features. The analytics are pretty good in terms of being able to see what threats have been detected and mitigated, where they're coming from, and things like that."
"It's the extra security that is the most valuable feature. You have insight into your traffic. There are some great insights into what utilities hackers are trying to exploit. It blocks a lot of stuff from the internet."
 

Cons

"Although I think it's quite good, it doesn't provide me with all the features I would expect to have if I were using Imperva."
"The integration of LLMs on the dashboard is something that is needed in the tool."
"The documentation could improve for Cloudflare DNS."
"Sometimes their more advanced caching tools can cause higher first-byte times and problems with JavaScript."
"Latencies are always a problem."
"I would like Cloudflare to offer a dedicated account manager for large enterprise clients like us."
"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 BIG-IQ is supposed to centralize the management for all of the boxes but it's not very effective."
"The product could be more user-friendly, particularly the user interface for administrators."
"We get false positives sometimes."
"They could provide better pricing."
"Support is a little slow."
"This solution can be made more user-friendly."
"The solution could improve by having an independent capture module. It has a built feature that you can deploy the capture on your published website. However, it's not very user-friendly. When you compare this feature to Google Capture or other enterprise captures, they are very simple. It needs a good connection to the F5 Advanced WAF sandbox. When you implement this feature in the data center, you may suffer some complications with connecting to the F5 Advanced WAF sandbox. This should be improved in the future."
"I would like to see a better interface and better documentation compatibility with other products. It's more complicated with OWASP."
"We have had problems with deployments where we've had to contact technical support to resolve them."
"The solution is not very scalable, to scale up would require another deployment with a new appliance and a change to the network."
"FortiWeb does not exist in a cloud-based form. Its only available for deployment as a virtual appliance on AWS and Azure IaaS platforms. Because of the trend to WAF environments, it would be good to have it as a SaaS. Also, FortiWeb would be more competitive if it combined WAF and DDoS protection."
"When there is downtime at their data center, it becomes a transit point issue for us, causing downtime in our environment as well."
"Fortinet FortiWeb could improve data integration."
"The initial setup process could be improved."
"The product’s stability could be improved."
"Centralized management of multiple devices, and GUI improvement, could reduce the learning curve."
 

Pricing and Cost Advice

"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."
"We are using the free tier of the solution."
"The cost primarily depends on the size of the organization."
"The price of the solution is expensive."
"The product's pricing is cheap."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"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."
"The pricing for F5 Advanced WAF is comparable to a Rolls-Royce. Its price is a bit high when you compare it with other vendors. F5 Advanced WAF is a bit expensive. The customer was on a three-year plan and it was around $560,000."
"F5 Advanced WAF's pricing is high."
"A yearly license for F5 Advanced WAF is expensive."
"It is expensive. Its price should be better. Its licensing is on a yearly basis. Its licensing is also based on the model. There are no additional costs."
"The pricing is too high."
"I don't have any issue with the pricing of this solution."
"As far as the pricing of F5 Advanced WAF I would rate it a four out of five depending on what features I am looking for. Imperva is more expensive."
"It is a little bit costly, but it has all the features that are required."
"The license to use Fortinet FortiWeb is approximately $14,000."
"​The pricing is reasonable."
"The price of Fortinet FortiWeb is reasonable. This is one of the key factors of why we use this solution."
"Fortinet FortiWeb's pricing is reasonable. Its licensing costs are yearly."
"There are no licensing costs."
"The maintenance fee for this product could be improved."
"The solution is very inexpensive when compared to F5 Advanced WAF and Avi Networks but offers the same benefits."
"When I use any other firewall, I have to take a license. It could be a perpetual license or subscription-based. In both cases, we have to pay some amount in advance, whereas in the case of FortiWeb, when using it as a service, I am paying half a dollar only for the domain name, and then I am paying based on the traffic or the number of requests."
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Top Industries

By visitors reading reviews
Educational Organization
21%
Computer Software Company
13%
Comms Service Provider
9%
Financial Services Firm
8%
Financial Services Firm
15%
Computer Software Company
13%
Government
8%
Manufacturing Company
6%
Educational Organization
41%
Computer Software Company
8%
Financial Services Firm
7%
Government
5%
 

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?
Subscription models have competitive pricing, while perpetual licenses involve an upfront higher cost, leading to amb...
What needs improvement with F5 Advanced WAF?
F5 Advanced WAF sells perpetual licenses as perpetual assets during sales without informing me that support ends afte...
What do you like most about Fortinet FortiWeb?
The WAF profiles has been effective at mitigating web-based threats.
What is your experience regarding pricing and costs for Fortinet FortiWeb?
I would rate the licensing cost as seven out of ten, considering it good value for money. The price is affordable and...
What needs improvement with Fortinet FortiWeb?
There is room for improvement in the portability on multi-cloud environments. Enhanced DDoS integration to make Forti...
 

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
Lush, Barnabas Health, Options, Riverside Healthcare, Hillsbourough County Schools, Columbia Public Schools, Schiller AG
Find out what your peers are saying about F5 Advanced WAF vs. Fortinet FortiWeb and other solutions. Updated: March 2025.
845,406 professionals have used our research since 2012.