Azure Web Application Firewall vs Fastly comparison

Azure Web Application Firewall

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100% willing to recommend

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Executive SummaryUpdated on Jan 1, 2025

Fastly and Azure Web Application Firewall are competing in the web security space, with Fastly's agile approach often favored for pricing and Azure WAF offering a comprehensive feature set for larger enterprises.

Features: Fastly offers real-time logging, edge cloud computing, and flexible APIs for dynamic protection. Azure WAF integrates with Azure services, providing robust threat intelligence and automated scalability. Its extensive security options make it attractive to enterprises within the Azure environment.

Room for Improvement: Fastly could enhance zero-trust features, user interface customization, and detailed reporting. Azure WAF may improve initial setup processes, offer more competitive pricing models, and expand third-party integration capabilities.

Ease of Deployment and Customer Service: Fastly provides straightforward deployment with a user-friendly API and quick customer service. Azure WAF leverages Microsoft's resources for detailed deployments, with extensive documentation and support for complex needs.

Pricing and ROI: Fastly's competitive pay-as-you-go pricing is cost-effective for smaller organizations. Azure WAF, despite its higher price, offers substantial ROI through deep integration with Azure’s suite, appealing to enterprises seeking comprehensive cloud service use.

To learn more, read our detailed Azure Web Application Firewall vs. Fastly Report (Updated: June 2025).

Azure Web Application Firewall vs. Fastly

June 2025

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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

Azure Web Application Firewall

Ranking in Web Application Firewall (WAF)

12th

Average Rating

8.4

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

Microsoft Security Suite (22nd)

Fastly

Ranking in Web Application Firewall (WAF)

19th

Average Rating

8.6

Reviews Sentiment

7.2

Number of Reviews

Ranking in other categories

CDN (7th), Distributed Denial-of-Service (DDoS) Protection (12th)

Mindshare comparison

As of July 2025, in the Web Application Firewall (WAF) category, the mindshare of Azure Web Application Firewall is 4.2%, down from 4.8% compared to the previous year. The mindshare of Fastly is 1.6%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Web Application Firewall (WAF)

Featured Reviews

Mano Senaratne

Management Consultant at a consultancy with 201-500 employees

Comprehensive suite simplifies configuration while frequent updates require management

Mainly, it comes with the complete suite of Microsoft services. I can use it in conjunction with the best options and other features that come with it. Configuration is much easier than using different platforms. For example, if I have hosted the application in AWS and am using the Application Firewall from Azure, there are certain additional steps to follow when configuring them. With Microsoft, everything is within a single suite, making it easier to configure and plan. Azure continually upgrades platforms and sends us messages to upgrade to the next version, simplifying the process. Later, it's much easier if I want to upgrade the software platform, scale it, or move it to a different application host as the whole suite comes together. The return on investment is good. If I am doing applications for clients, I can invoice them for better costs. Most applications that I run and use have a better return on investment.

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Nick Wilsdon

CEO at Torque

An easily scalable and stable product that provides exceptional support

The product should provide improved bot detection and management. The product should also provide support for code management. Everybody working in CDN is currently looking for ways to better manage code deployment with various authorization levels and synchronization with our lower environments. Matching up what's happening in CDN with what's happening on the origin regarding testing would always be useful.

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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

"The most valuable feature is that it allows us to publish our applications behind the firewall."

"The most valuable feature of Azure Web Application Firewall is its ability to filter requests and block false positives by using custom rules and the OWASP rule set."

"It's great for protecting against DDoS attacks."

"I can only strongly recommend using the Azure Web Application Firewall."

"The integration it has with GitHub is great."

"The initial setup is easy and straightforward...Azure Web Application Firewall is a scalable product."

"The solution has good dashboards."

"The best features of Azure Web Application Firewall are that it provides security and protection from poorly designed web applications."

More Azure Web Application Firewall pros

"Rate limiting is a good feature that protects from volumetric attacks."

"The product helps our organization to access sites located in different regions quickly."

"The product's initial setup phase is straightforward."

"Compute@Edge features are valuable to me."

"Fastly uses configuration versioning, where you can deploy a new version in less than one minute."

"Its initial setup process is straightforward."

"Support is good; the product works as advertised. We have a Slack connection with them. So we can basically ask for help, live, engage, and ring when they respond. Very quickly."

Cons

"The knowledge base could be improved."

"I encountered difficulties with certificates for a Linux server when implementing protection. I had to create the entire chain, as I couldn't simply upload the certificate and the chain."

"We would like to see additional site services using AI to provide information about blocking requests and offer analytics on the origin of calls."

"Some Azure applications, like the web application firewall, require a certain level of SKU for hosting setup. The basic setup does not allow me to use the web application firewall and other additional services."

"In Brazil, we have some problems with the phone service that affect our connection with the cloud. However, it isn't common."

"The support for proxy forwarding could improve."

"The management can be improved."

"From a reporting perspective, they could do more there."

More Azure Web Application Firewall cons

"It is missing a "staging" platform to deploy a test configuration with all of the real settings, which would allow us to properly test before putting it into production."

"Fastly's customer service area needs improvement."

"Support is not that great."

"The product should provide improved bot detection and management."

"Stronger analytics would be helpful, like showing configurations that haven't served a certain amount of traffic in a while. With many properties, things can get lost track of - duplicates or unused configurations not properly decommissioned."

"What I don't like about Fastly is that they charge a heavy price."

"The solution's pricing could be better."

Pricing and Cost Advice

"We have an enterprise agreement with Microsoft and the pricing is good."

"The price is reasonable. It is approximately $2,000 US per month."

"Azure WAF has price advantages over other WAF solutions. The pricing model is flexible because you pay on a scale based on the level of protection you need."

"The price of the solution depends on your architecture and how you manage it. You can control the cost in Azure quite well. The costs do not directly correlate to expenses in the features we are using."

"The price is for this solution is fair and there is a license needed."

"I give the pricing a nine out of ten."

"The pricing has been very competitive."

"Fastly is less expensive than one of its competitors."

"You need to pay a premium price for the tool."

"In my opinion, Fastly is priced competitively."

"I've generally found Fastly to be very competitive in pricing, especially around Compute@Edge."

"It is an expensive solution."

"The solution is cheaper than other products in the market."

See which vendors are best for you

Use our free recommendation engine to learn which Web Application Firewall (WAF) solutions are best for your needs.

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860,632 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

18%

Financial Services Firm

12%

Manufacturing Company

11%

Government

Computer Software Company

16%

Financial Services Firm

Comms Service Provider

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

Questions from the Community

What do you like most about Azure Web Application Firewall?

The integration it has with GitHub is great.

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

The pricing is okay at the moment. Sometimes, when opting for a higher SKU, it's not the WAF itself that's costly but the additional requirements. A higher SKU application hosting platform adds to ...

What needs improvement with Azure Web Application Firewall?

While using it, I identified certain areas where it would have been good to have additional features. Right now, I can't recall any specific instances. Seamless integration is good, yet having mult...

What do you like most about Fastly?

Support is good; the product works as advertised. We have a Slack connection with them. So we can basically ask for help, live, engage, and ring when they respond. Very quickly.

What is your experience regarding pricing and costs for Fastly?

You need to pay a premium price for the tool.

What needs improvement with Fastly?

What I don't like about Fastly is that they charge a heavy price. The pricing is different per region. If you have a customer who is international and has deployments in different regions, it is ve...

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Product Reports

Azure Web Application Firewall

July 2025

Download Azure Web Application Firewall product report

Download Fastly product report

July 2025

Overview

Azure Web Application Firewall (WAF) provides centralized protection of your web applications from common exploits and vulnerabilities. Web applications are increasingly targeted by malicious attacks that exploit commonly known vulnerabilities. SQL injection and cross-site scripting are among the most common attacks.

To learn more about our solution, ask questions, and share feedback, join our Microsoft Security, Compliance and Identity Community.

Microsoft

Fastly helps the world’s most popular digital businesses keep pace with their customer expectations by delivering fast, secure, and scalable online experiences. Businesses trust Fastly’s edge cloud platform to accelerate the pace of technical innovation, mitigate evolving threats, and scale on demand.

Sample Customers

Information Not Available

Twitter, Airbnb, Alaska Airlines, Pinterest, Vimeo, The Guardian, The New York Times, Ticketmaster, The Drupal Association, Opera, about.com, imgur, Etsy, Foursquare, GitHub, New Relic, shopify, Shazam, Firebase