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AWS 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) (13th)
AWS WAF
Average Rating
8.0
Reviews Sentiment
7.6
Number of Reviews
59
Ranking in other categories
Web Application Firewall (WAF) (1st)
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) (27th)
 

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.
Kavin Kalaiarasu - PeerSpot reviewer
AWS's cloud-native security simplifies rule enforcement but needs better DDoS integration
The dashboarding could be improved, and the default metrics provided by AWS WAF could be upgraded. The rate at which AWS updates their managed rule sets could be better. Features like bot protection or DDoS mitigation, available with other WAF vendors, do not come natively with AWS WAF. Instead, they are part of AWS Shield. Providing DDoS protection as part of their WAF solution would be beneficial.
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

"The most valuable feature is the web application firewall."
"It is easier to configure and develop documentation to see how we have configured firewalls."
"The solution is stable, and the DNS servers are simple to use."
"Cloudflare is a security SaaS provider that provides security and protects us from any application layer attack."
"The most valuable feature of Cloudflare DNS is security."
"The features of Cloudflare were found to be more beneficial and led to the decision to utilize it over other options."
"The DDoS protection is the most valuable aspect of the solution."
"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."
"The most valuable aspect is that it protects our code. It's a bit difficult to overwrite code in our application. It also protects against threats."
"The product’s availability, ease of configuration, and documentation are valuable."
"AWS WAF has a lot of integrated features and services. For example, there are security services that can be integrated very well for our customers."
"The most valuable feature is the capability to limit access based on geographical location by restricting specific IP addresses."
"As a basic WAF, it's better than nothing. So if you need something simple out of the box with default features, AWS WAF is good."
"They filter a lot of attacks out."
"The ability to take multiple data sets and match those data sets together is the solution's most valuable feature. The data lake that comes with it is very useful because that allows us to match data sets with different configurations that we wouldn't normally be able to match."
"The most valuable feature of the solution is the ability to integrate central sets. It protects from intrusion attacks such as scripting and SQL injections."
"The product's most valuable feature is its ability to set up the rules easily."
"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."
 

Cons

"Cloudflare doesn't have a reverse lookup. We can only do a DNS lookup to get the IP address from the hostname. It doesn't work if you want to look up the hostname from an IPA address."
"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."
"Cloudflare could offer a better view or maybe dashboards of the main resources used in the client."
"It should be easier to collect the logs with companies like Sumo. However, based on my discussions with the salespeople, I understand that's how they make their money. With the enterprise product, they want people doing those kinds of enterprise features to do the logging. They want them to pay a lot of money, and that's where I have an issue with them. That should be a default. You should be able to get the log no matter what. The logging should be universal."
"There might be helpful if there was some web application firewall feature."
"The reporting can definitely be improved to offer a lot more explanation on something that may have happened or has actually happened."
"The analytics, basically the dashboard, doesn't have much to it."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"The pricing model is complicated."
"We haven't faced any problems with the solution."
"I would like to be able to view a graphical deployment map in the user interface that will give me an overview of the configuration and help to determine whether I have missed any steps."
"The technical support does not respond to bugs in the coding of the product."
"This solution could be improved if the configuration steps were more specific to WAF, compared to other cloud services."
"For uniformity, AWS has a well-accepted framework. However, it'll be better for us if we could have some more documented guidelines on how the specific business should be structured and the roles that the cloud recommends."
"An improvement area would be that it's more of a manual effort when you have to enable rules. That's one of the downsides. If that can be done in an automated way, it would be great. That's a lagging feature currently."
"The rate at which AWS updates their managed rule sets could be better. Features like bot protection or DDoS mitigation, available with other WAF vendors, do not come natively with AWS WAF."
"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

"We are using the free version."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"The product's pricing is cheap."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"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."
"We are using the free tier of the solution."
"AWS WAF has reasonable pricing."
"The product’s pricing is reasonable."
"The solution is affordable."
"AWS is not that costly by comparison. They are maybe close to $40 per month. I think it was between $29 or $39."
"It's an annual subscription."
"I would rate AWS WAF's pricing a seven out of ten."
"There are no costs in addition to the standard licensing fees."
"For Kubernetes microservices, AWS is more expensive compared to OCI. AWS costs approximately 70 cents per hour, while OCI is 50% cheaper."
"The pricing is 50% less than Akamai."
"The product has an affordable cost."
"Signal Sciences is pretty cheap compared to other solutions."
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Top Industries

By visitors reading reviews
Educational Organization
15%
Computer Software Company
14%
Comms Service Provider
9%
Financial Services Firm
9%
Computer Software Company
16%
Financial Services Firm
14%
Manufacturing Company
8%
Government
6%
Educational Organization
15%
Computer Software Company
12%
Manufacturing Company
11%
Financial Services Firm
11%
 

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 are the limitations of AWS WAF vs alternative WAFs?
Hi Varun, I have had experienced with several WAF deployments and deep technical assessments of the following: 1. Im...
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 AWS WAF?
The most valuable feature of AWS WAF is its highly configurable rules system.
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
AWS Web Application Firewall
Signal Sciences Next-Gen WAF, Signal Sciences RASP
 

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.
eVitamins, 9Splay, Senao International
Chef, Adobe, Datadog, Etsy, GrubHub, Vimeo, SendGrid, Under Armour, Duo, AppNexus
Find out what your peers are saying about AWS WAF vs. The Fastly Next-Gen WAF (powered by Signal Sciences) and other solutions. Updated: April 2025.
851,604 professionals have used our research since 2012.