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Microsoft Azure Application Gateway 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
8.4
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)
Microsoft Azure Application...
Average Rating
7.2
Reviews Sentiment
6.8
Number of Reviews
47
Ranking in other categories
Application Delivery Controllers (ADC) (4th), Web Application Firewall (WAF) (3rd)
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.
Shehzad Ali - PeerSpot reviewer
Offers time and cost savings with integration, but user interface needs improvement
We are using it for our internal application development. We are testing those features of application gateways. We are integrating it with our solutions, application, Azure Application Gateway Microsoft has a vast variety of tools, and it blends very well. It provides a range of services, so it…
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 solution offers the flexibility to control configuration rules."
"It is easier to configure and develop documentation to see how we have configured firewalls."
"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 UI is good."
"The overall experience with Cloudflare is positive, with a rating of eight out of ten."
"From what I've seen so far, there are no negatives to report as of yet"
"The most valuable feature of Cloudflare DNS is security."
"Cloudflare DNS is widely used, and it's good for websites. If we use Cloudflare DNS and update one record, it updates in their office instantly."
"We find it valuable because it is compatible with our existing Azure solution."
"This is a SaaS product, so it is always up to date."
"Good customization; able to report and take action on alerts."
"The health probe is pretty good for your backend health. It tells you whether it's communicating and talking to the endpoint correctly. It is quite useful."
"I like the tool's stability and performance."
"The security feature in all the layers of the application is the most valuable."
"Some of the key features of this solution are the low-level maintenance required, floating proxy service, and load balancing."
"We chose this solution in the first place because it has access to Layer 7. I can control the requests and the content, which I can access on my network if I want to even if it's forbidden access to other external resources. If I want to monitor, for example, traffic, and apply this rule on Layer 7, I can do so. This was our main goal when implementing this application. We wanted to take advantage of the Gateway capabilities."
"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."
"When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application."
"The product's most valuable feature is its ability to set up the rules easily."
 

Cons

"The documentation could improve for Cloudflare DNS."
"Cloudflare could offer a better view or maybe dashboards of the main resources used in the client."
"An integrated SSO feature would be useful for Cloudflare DNS."
"Integration involving API with other products could be more user-friendly."
"The timing aspect can lead to it being considered overpriced. This is a particular concern we have with Cloudflare, as they may struggle with accurately detecting the client."
"There should be a specific price list for enterprise-level customers."
"The pricing could be improved."
"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."
"I want the solution's support to improve. The tool is also expensive."
"Microsoft needs to work on their documentation."
"The product's performance should be better."
"The solution doesn’t support wildcard-based and regular expression-based rules."
"Implementing and standardizing the solution across the IT landscape in a heterogeneous environment is painful."
"Customer service can be improved. There is room for improvement, specifically in paid support, by providing more direct contact."
"The monitoring on the solution could be better."
"Microsoft Azure Application Gateway is harder to manage than Imperva. It is not intuitive and stable compared to other products."
"Fastly don't support caching for China users. That's the only feature lacking compared to Akamai."
"Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic."
"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

"That is one of the great features. I was able to access the majority of the features and services for free."
"There are no additional costs beyond the standard licensing fees."
"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."
"A free version of the solution is available."
"The tool is a premium product, so it is very expensive."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"The price is reasonable."
"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."
"The product is expensive. I rate the pricing a seven out of ten."
"The solution is fairly priced."
"The solution is reasonably priced."
"The solution's pricing is not complex. It is not expensive from our point of view."
"The cost is not an issue."
"The solution is paid monthly. The solution is highly expensive."
"There is some additional cost, such as extended support."
"The product is not expensive."
"The product has an affordable cost."
"The pricing is 50% less than Akamai."
"Signal Sciences is pretty cheap compared to other solutions."
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Use our free recommendation engine to learn which Web Application Firewall (WAF) solutions are best for your needs.
845,406 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Educational Organization
21%
Computer Software Company
13%
Comms Service Provider
9%
Financial Services Firm
8%
Computer Software Company
16%
Financial Services Firm
12%
Government
8%
Manufacturing Company
7%
Educational Organization
20%
Computer Software Company
12%
Financial Services Firm
10%
Manufacturing Company
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's the difference between Azure Front Door and Application Gateway?
We found Azure Front Door to be easily scaled and very stable. The implementation is very fast and Microsoft provides...
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 Microsoft Azure Application Gateway?
Application Gateway automatically redirects unwanted users and takes care of the security aspect. It also handles the...
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
Azure Application Gateway, MS Azure Application Gateway
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.
Lilly, AccuWeather, AIRFRANCE, Honeywell
Chef, Adobe, Datadog, Etsy, GrubHub, Vimeo, SendGrid, Under Armour, Duo, AppNexus
Find out what your peers are saying about Microsoft Azure Application Gateway vs. The Fastly Next-Gen WAF (powered by Signal Sciences) and other solutions. Updated: March 2025.
845,406 professionals have used our research since 2012.