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FortiWeb Web Application Firewall (WAF) vs The Fastly Next-Gen WAF (powered by Signal Sciences) 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)
FortiWeb Web Application Fi...
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
23
Ranking in other categories
Web Application Firewall (WAF) (16th)
The Fastly Next-Gen WAF (po...
Average Rating
7.6
Reviews Sentiment
7.1
Number of Reviews
3
Ranking in other categories
Web Application Firewall (WAF) (26th)
 

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.
IgnitiusMolepo - PeerSpot reviewer
Protects internal applications and prevents target attacks
The tool secures our critical applications, especially the mobile money application, which is often targeted by attacks. The solution provides rapid protection and has proven reliable against various threats. It blocks malicious traffic, including dormant and DDoS attacks, and offers integrated Web Application Firewall features to safeguard against compromises. You can set it up for customer-facing web applications because customers don't necessarily know all the IP addresses. It uses a source-based approach where any source accessing the application is defined by its IP. When accessing the application, it checks if they are using HTTP or HTTPS and blocks them if necessary. The tool's performance and security reporting capabilities contribute positively to IT security management. Consolidating management within the solution makes it easier for IT to handle the solutions. All functionalities managed on a single box reduce the number of boxes needed for management.
Archana Heeralal - PeerSpot reviewer
A good solution to implement web application firewall for applications
There are some lags in Signal Sciences for the web application firewalls. Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic. There is a little bit of complexity with custom rules that should be removed. Signal Sciences should add a feature called rate limiting with multiple options, wherein I can create a rate limiting based on the cookie request or the IP.

Quotes from Members

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

Pros

"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."
"The most valuable feature is its usability."
"It is a fast and secure DNS."
"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."
"It is a stable solution. I rate the stability a ten out of ten...I rate the scalability a ten out of ten."
"It is easier to configure and develop documentation to see how we have configured firewalls."
"Centralized, full-featured DNS."
"The simplicity of the overall dashboard makes it a great product for a user like me who has less understanding of the internet than a developer or other more technical people. It gives me peace of mind. I also love the easy customization of the Page Rules."
"FortiWeb has a very extensive library of known attack signatures, which makes the product fit for any environment, regardless if the customer uses Windows-specific or non-Windows-specific applications."
"Their support is truly exceptional when I compare it with similar large-sized companies."
"The platform's stability is good."
"The tool's HTTP traffic, website fixing, and blocking are fantastic. It is user-friendly with easy configuration."
"The initial setup was easy since it was possible to get remote support for the product."
"FortiWeb identified potential DDoS attacks and suspicious domain activity, showcasing the value of its machine-learning capabilities."
"The machine learning on FortiWeb WAF is valuable."
"The fact that I can log into the platform and see everybody, see logs, authentication failure, and see everything on one platform, is the most valuable feature."
"When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application."
"Fastly (Signal Sciences) integrates and tags the intermittent traffic based on patterns. It generates signals and provides them in a dashboard where we can view them and decide whether to allow or deny traffic. It's a more advanced and easy-to-navigate dashboard."
"The product's most valuable feature is its ability to set up the rules easily."
 

Cons

"Cloudflare could be improved by introducing a mid-tier pricing option."
"It would be beneficial for us if Cloudflare could offer a scrubbing solution. This would involve taking a snapshot of my website and keeping it live during a DDoS attack, ensuring uninterrupted service for our users. DDoS attacks are typically short in duration, and having Cloudflare maintain the site's availability from its secure network would enhance the overall user experience. I would appreciate it if Cloudflare could consider implementing this feature. Many organizations already utilize similar capabilities in their CDN platforms, where a static snapshot of the web page is displayed during DDoS attacks. In terms of features, Cloudflare needs to enhance its resilience and stay more focused on adopting new technologies. For instance, solutions like F5 XC Box, Access Solution, and Distributed Cloud Solution have impressive features, and Cloudflare should strive to match and exceed those capabilities. There's a need for improvement in areas like AI-based DDoS attacks and Layer 7 WAF features. Cloudflare should prioritize enhancements in areas such as behavioral DDoS and protection against SQL injection attacks, considering the prevalent trend of public exposure to the internet for business reasons. Overall, Cloudflare needs to invest more in advancing its feature set."
"Cloudflare does not have an on-premise solution. If they had different approaches they could be better suited to accommodate more customers, such as on-premise and hybrid deployments. For example, hybrid deployments would be useful where you could move the traffic from the enterprise to the cloud."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"It should confirm audit findings of the assigned area with auditees to ensure that the audit conclusions are based on an accurate understanding of the issues."
"The solution could use more analytics on the backend to give us more insights into everything. More reports would be helpful."
"The documentation could improve for Cloudflare DNS."
"It would be good if Cloudflare could have more servers for better traffic routing or an increase in the traffic routed. This is what I'd like to improve in Cloudflare."
"FortiWeb Web Application Firewall (WAF) needs to update its attack prevention database."
"The price is a little higher than the competitors."
"Regarding areas for improvement, the documentation needs work. We had issues with a customer because the documentation didn't clearly show which devices can connect with FortiWeb WAF, leading to misconfiguration and difficult meetings. We also need deeper technical support - finding who's responsible for technical aspects is challenging. Hungary has a good Fortinet office with strong sales and pre-sales employees."
"The product lacks features offered by enterprise-level firewall tools."
"If some of my customers want to migrate from F5 to Fortinet Firewall, or the Fortinet WAF solution, there are some migration issues since I cannot migrate all the elements quickly using Fortinet Firewall."
"There could be ADC offering as well."
"We haven't faced any significant issues with FortiWeb Web Application Firewall. But they can lower the pricing, since it is a concern, especially in South Africa and the technical support, could be more responsive at times."
"FortiWeb Web Application Firewall's signature database updates could be improved."
"Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic."
"Fastly don't support caching for China users. That's the only feature lacking compared to Akamai."
"The areas that could be improved in Signal Sciences include the effectiveness of rules, as many didn't function optimally and required custom rule-writing to address bypasses for WAF."
 

Pricing and Cost Advice

"We are using the free version."
"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"A free version of the solution is available."
"We don't have any issues with the price."
"Cloudflare's pricing is not much higher and is good for middle-level organizations."
"I think the pricing is competitive. I think as far as licensing is concerned it's pretty straightforward because it's based on domain. It's just that sometimes domains could be tricky with some customers."
"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."
"The product's pricing is cheap."
"This product offers two pricing options: a standard package and an advanced package."
"FortiWeb WAF is priced well for customers compared to other vendors' solutions."
"I rate the tool's pricing an eight out of ten."
"FortiWeb Web Application Firewall is not expensive."
"It is a cheap solution."
"I rate the product price a four on a scale of one to ten, where one is a high price, and ten is a low price."
"FortiWeb has a good presence because of its price."
"It is a cost-effective product. If you need an extra module in the product, there will be an extra cost in addition to the licensing fee."
"The pricing is 50% less than Akamai."
"Signal Sciences is pretty cheap compared to other solutions."
"The product has an affordable cost."
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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%
Computer Software Company
16%
Financial Services Firm
13%
Manufacturing Company
10%
Comms Service Provider
8%
Educational Organization
17%
Computer Software Company
12%
Manufacturing Company
11%
Financial Services Firm
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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 FortiWeb Web Application Firewall (WAF)?
The most valuable features of the solution are SD-WAN, filtration, web filter, application filter, and IPS.
What is your experience regarding pricing and costs for FortiWeb Web Application Firewall (WAF)?
FortiWeb uses a subscription-based license, but there is also an option for a perpetual license. It's not the cheapes...
What needs improvement with FortiWeb Web Application Firewall (WAF)?
There are some issues pertaining to the migration. If some of my customers want to migrate from F5 to Fortinet Firewa...
What do you like most about Signal Sciences?
The product's most valuable feature is its ability to set up the rules easily.
What needs improvement with Signal Sciences?
Fastly don't support caching for China users. That's the only feature lacking compared to Akamai.
 

Also Known As

Cloudflare DNS
No data available
Signal Sciences Next-Gen WAF, Signal Sciences RASP
 

Overview

 

Sample Customers

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Find out what your peers are saying about FortiWeb Web Application Firewall (WAF) vs. The Fastly Next-Gen WAF (powered by Signal Sciences) and other solutions. Updated: April 2025.
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