NGINX App Protect vs The Fastly Next-Gen WAF (powered by Signal Sciences) comparison

NGINX App Protect vs. The Fastly Next-Gen WAF (powered by Signal Sciences)

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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 Web Application ...

Mindshare comparison

As of March 2026, in the Web Application Firewall (WAF) category, the mindshare of Cloudflare Web Application Firewall is 5.4%, down from 6.9% compared to the previous year. The mindshare of NGINX App Protect is 2.2%, up from 1.7% compared to the previous year. The mindshare of The Fastly Next-Gen WAF (powered by Signal Sciences) is 1.3%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Web Application Firewall (WAF) Mindshare Distribution
Product	Mindshare (%)
Cloudflare Web Application Firewall	5.4%
NGINX App Protect	2.2%
The Fastly Next-Gen WAF (powered by Signal Sciences)	1.3%
Other	91.1%

Web Application Firewall (WAF)

Featured Reviews

Dean Barisic

CTO at PlayNirvana

Advanced security reporting has protected high-traffic betting platforms from constant attacks

I don't see room for improvement to Cloudflare Web Application Firewall. One thing I don't know much about because we have a dedicated IT team for that, and I'm not involved with Cloudflare much anymore. But if I were to compare them to F5, I would like to see more features that F5 offers. F5 has an option to bring the whole infrastructure, the whole WAF and all their packages, Bot Management, and everything else on your infrastructure. You need to install certain services from their side, and then you can choose if you would like requests to hit your servers immediately or if requests need to be proxied through F5 backbone. That would be a nice addition because we have 90% of the traffic as legit traffic coming from whitelisted servers. If it comes from whitelisted servers, I don't need to go every request through the backbone; I could easily just IP whitelist everything. Then I could maybe have Bot Management on my infrastructure that drastically reduces the price of Cloudflare. I would like to see Push CDN more improved in the next release of Cloudflare Web Application Firewall. And maybe something similar to Pushpin that Fastly has, which is an option where you can push messages that then can be scaled globally over the network. From our perspective, if we have a listener that listens for stock updates, I would just need to have one processor that pushes those updates to the Cloudflare API, and then Cloudflare would broadcast that message to all listeners. Cloudflare will check the order of the message, and if you, as a customer, are not connected or have some kind of network issue, when you reconnect, you will receive the latest state and missing updates.

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Valerio Guaglianone

Dev Ops Engineer at adesso AG

Long-term web protection has supported reliable traffic management but needs a simpler interface

NGINX App Protect is a good product. I have used both versions from F5 -also the free version- (I mean the NGINX/NGINX One/App Protect free trial period), and I think it is a good product. It's stable, affordable, and easy to manage. NGINX App Protect is a comprehensive security solution that combines advanced WAF, DoS protection, API security, and DevSecOps automation in a lightweight, scalable package ideal for modern cloud-native architectures. The adaptive machine learning capabilities are truly commendable, as the solution can establish traffic baselines and detect anomalies in real time. It automatically adjusts security policies, minimizing the need for manual intervention and reducing false positives. Additionally, it supports scalable deployment across diverse environments, including on-premises, cloud, Kubernetes, and containers, offering both flexibility and scalability I have experience with the web server, F5 load balancer, and similar products provided by Ergon, for eg. the web application firewall and the Microgateway for K8S. I'm also familiar with F5 BIG-IP products.

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reviewer2161107

Staff Engineer at a retailer with 1,001-5,000 employees

Room for improvement with user interface while competitive pricing impresses

It is managed through Infrastructure as Code, so all configurations can be managed in the code itself, which is beneficial. Because it uses rules, it is easy to set up, and we have many different sites where the configurations are straightforward. Though the UI is not very interactive, which is a downside, we can manage many things. The UI is not very intuitive and could be better. However, we manage all the configurations through code, which is easy to maintain. It has extensive anomaly detection capabilities, so the traffic is classified into several categories where thresholds can be defined and customized based on false positives and false negatives. This is advantageous because you do not need to tweak it very often. Once you set it up, an audit once a quarter would suffice. Because The Fastly Next-Gen WAF (powered by Signal Sciences) is API-driven, we have integrations with the CI/CD pipeline through GitHub Actions, making it easy to integrate.

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Quotes from Members

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

Pros

"It protects web applications efficiently."

"The integration of Cloudflare with Cloud Suite is its most valuable feature."

"It is a SaaS solution unlike much of the competition."

"Cloudflare has positively impacted my organization by making it easier for me to handle and set up DNS for multiple clients; I can easily go in and access their accounts, make changes they need, and it's a one-stop shop."

"Someone with a basic understanding of networking and security will be able to implement the firewall's basic features within 15 minutes."

"The solution protects our application, which runs on the HTTP protocol, from DDoS attacks."

"It's pretty convenient and pretty easy to set up and run. And then kind of for static content, it also offers caching."

"This is a good product; it's reliable and scales well."

More Cloudflare Web Application Firewall pros

"There's a cache, or it works like a proxy, so it can speed up applications."

"The most valuable feature of NGINX App Protect is its open source."

"This solution provides perfect protection for the published services against all application attacks."

"NGINX App Protect's best features are auto-learning, which creates a profile of applications that are deployed, bot protection, and force protection, which lets you configure your brute force policy and alert for and prevent brute force attacks."

"NGINX App Protect has positively impacted my organization by adding an additional layer of security on top of my infrastructure layer, which I consider quite helpful."

"The most valuable feature of NGINX App Protect is its flexibility."

"I would recommend this solution to others because it performs well."

More NGINX App Protect pros

"The product's most valuable feature is its ability to set up the rules easily."

"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."

"Because The Fastly Next-Gen WAF (powered by Signal Sciences) is API-driven, we have integrations with the CI/CD pipeline through GitHub Actions, making it easy to integrate."

"When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application."

Cons

"There could be an option to duplicate the cluster to maintain the consistency of rules."

"Cloudflare Web Application Firewall should improve visibility for a customer."

"Their documentation could be better. They don't have documentation that explains everything well. They have documentation for everything you're looking for, but they lack a single piece of documentation to tie everything together. As a new user or beginner, it took us a little bit of time to figure out how to put all these things in place."

"Support can be challenging at times."

"Its stability could be better."

"The reporting could be more granular."

"It would be ideal if the solution offered better log integration and more integration with different platforms."

"The product can improve by having more multitenancy capability, which is currently not available."

More Cloudflare Web Application Firewall cons

"It would be better if it were easier to implement and if there was more information from F5 regarding hardware requirements and specifications to deploy the service, to avoid disruptions after implementation."

"NGINX App Protect would be improved with integration with Shape and F5 WAF, which would make it easy for users to manage all their web application security with a single solution."

"I think NGINX App Protect could be improved by having it come out of the box with NGINX."

"The dashboard could provide a more comprehensive view of the status of the connections."

"The support from NGINX App Protect is too expensive."

"The product's user interface is an area with shortcomings as it can be quite confusing for users, making it an area where improvements are required."

"Areas for improvement would be if NGINX could scan for vulnerabilities and learn and update the signatures of DoS attacks."

"NGINX App Protect could improve security."

More NGINX App Protect cons

"The UI is not very intuitive and could be better."

"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."

"Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic."

Pricing and Cost Advice

"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."

"The solution is expensive."

"The pricing model is very straightforward compared to the competition. You just pay per month for the product and usage."

"Cloudflare Web Application Firewall is more affordable than other solutions."

"The annual licensing fee is $10,000 USD."

"It is not too pricey."

"Cloudflare offers different types of subscriptions for businesses, enterprises, and personal users, and the pricing is negotiable."

More Cloudflare Web Application Firewall pricing and cost advice

"NGINX is not expensive."

"The price of NGINX App Protect is approximately $3,000 annually. All of our licenses are observed by a managed service partner."

"The product's price is high."

"NGINX App Protect is expensive."

"The pricing is reasonable because NGINX operates on an instance basis."

"Our licensing costs are about $40,000 a year."

"The licensing fees for this solution are pretty expensive for what it does, but there is no alternative."

"There is a license needed to use NGINX App Protect."

More NGINX App Protect pricing and cost advice

"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

Computer Software Company

11%

Manufacturing Company

Financial Services Firm

Comms Service Provider

Financial Services Firm

13%

Computer Software Company

11%

Comms Service Provider

10%

Manufacturing Company

13%

Retailer

11%

Financial Services Firm

Computer Software Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	16
Midsize Enterprise	6
Large Enterprise	6

By reviewers
Company Size	Count
Small Business	9
Midsize Enterprise	6
Large Enterprise	12

No data available

Questions from the Community

What is your experience regarding pricing and costs for Cloudflare Web Application Firewall?

The price of Cloudflare Web Application Firewall is reasonable.

What needs improvement with Cloudflare Web Application Firewall?

I don't see room for improvement to Cloudflare Web Application Firewall. One thing I don't know much about because we...

What is your primary use case for Cloudflare Web Application Firewall?

We are using Cloudflare Web Application Firewall's advanced reporting and analytics tools with their Zero Trust, so e...

What is your experience regarding pricing and costs for NGINX App Protect?

I will not be able to answer about my experience with pricing, setup cost, and licensing for NGINX App Protect, as so...

What needs improvement with NGINX App Protect?

I think NGINX App Protect could be improved by having it come out of the box with NGINX.

What is your primary use case for NGINX App Protect?

My main use case for NGINX App Protect is primarily in our infrastructure layer with Kubernetes, as I am using it to ...

What is your experience regarding pricing and costs for Signal Sciences?

The pricing is very competitive compared to other providers. The pricing is definitely a factor in our decision-makin...

What needs improvement with Signal Sciences?

We do use it, but the UI can be improved as we mostly work through the CI/CD. It provides support, but sometimes it i...

What is your primary use case for Signal Sciences?

The CDN is for caching and The Fastly Next-Gen WAF (powered by Signal Sciences) is for protecting the servers from ma...

Fortinet FortiWeb vs Cloudflare Web Application Firewall

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Product Reports

Cloudflare Web Application Firewall

Download Cloudflare Web Application Firewall product report

Cloudflare Web Application Firewall report

NGINX App Protect

Download NGINX App Protect product report

The Fastly Next-Gen WAF (powered by Signal Sciences)

February 2026

The Fastly Next-Gen WAF (powered by Signal Sciences) report

Download The Fastly Next-Gen WAF (powered by Signal Sciences) product report

Also Known As

Cloudflare WAF

NGINX WAF, NGINX Web Application Firewall

Signal Sciences Next-Gen WAF, Signal Sciences RASP

Overview

Cloudflare Web Application Firewall's intuitive dashboard enables users to build powerful rules through easy clicks and also provides Terraform integration. Every request to the WAF is inspected against the rule engine and the threat intelligence curated from protecting over 27 Million websites. Suspicious requests can be blocked, challenged or logged as per the needs of the user while legitimate requests are routed to the destination, agnostic of whether it lives on-premise or in the cloud. Analytics and Cloudflare Logs enable visibility into actionable metrics for the user.

Cloudflare

NGINX App Protect application security solution combines the efficacy of advanced F5 web application firewall (WAF) technology with the agility and performance of NGINX Plus. The solution runs natively on NGINX Plus and addresses some of the most difficult challenges facing modern DevOps environments:

Integrating security controls directly into the development automation pipeline
Applying and managing security for modern and distributed application environments such as containers and microservices
Providing the right level of security controls without impacting release and go-to-market velocity
Complying with security and regulatory requirements

NGINX App Protect offers:

Expanded security beyond basic signatures to ensure adequate controls
F5 app‑security technology for efficacy superior to ModSecurity and other WAFs
Confidently run in “blocking” mode in production with proven F5 expertise
High‑confidence signatures for extremely low false positives
Increases visibility, integrating with third‑party analytics solutions
Integrates security and WAF natively into the CI/CD pipeline
Deploys as a lightweight software package that is agnostic of underlying infrastructure
Facilitates declarative policies for “security as code” and integration with DevOps tools
Decreases developer burden and provides feedback loop for quick security remediation
Accelerates time to market and reduces costs with DevSecOps‑automated security

The Fastly Next-Gen WAF (powered by Signal Sciences) provides web application and API protection, RASP, rate limiting, bot protection and DDoS purpose built to eliminate the challenges of legacy WAF.

Fastly

Sample Customers

crunchbase, udacity, marketo, okcupid, zendesk

Information Not Available

Chef, Adobe, Datadog, Etsy, GrubHub, Vimeo, SendGrid, Under Armour, Duo, AppNexus

NGINX App Protect vs. The Fastly Next-Gen WAF (powered by Signal Sciences)