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F5 Advanced WAF vs Fastly comparison

 

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

F5 Advanced WAF
Ranking in Web Application Firewall (WAF)
2nd
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
69
Ranking in other categories
No ranking in other categories
Fastly
Ranking in Web Application Firewall (WAF)
18th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
7
Ranking in other categories
CDN (7th), Distributed Denial-of-Service (DDoS) Protection (12th)
 

Mindshare comparison

As of June 2025, in the Web Application Firewall (WAF) category, the mindshare of F5 Advanced WAF is 11.1%, up from 10.8% compared to the previous year. The mindshare of Fastly is 1.5%, up from 1.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF)
 

Featured Reviews

Ahmed Moamen - PeerSpot reviewer
Protects applications with versatile authentication features
F5 offers a versatile solution that can be integrated with APM in cases where integration with an external IDB is needed. It is useful for authentication backup if the on-prem directory service is unavailable. Additionally, its WAF functionality is valuable for protecting applications from attacks. It is a versatile and strong solution that's easy to understand and deploy.
Nick Wilsdon - PeerSpot reviewer
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.

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 features of this solution are the WAF protection, Data Safe, and the seven-layer DDoS."
"The initial setup was was easy to install."
"F5 Advanced WAF secures our connectivity and combines both the main functions of WAF (balancing and web application security)."
"Identification, ease of use, and ease of modifying it to most of our needs are valuable."
"The product is used to secure web applications and has the ability to use API templates and bot protection features, such as blocking requests or presenting CAPTCHA pages to end users."
"The support experience is better than average."
"This solution is an enterprise-class firewall that provides both load-balancing and security."
"F5 helped to meet compliance and regulatory requirements."
"Compute@Edge features are valuable to me."
"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."
"Fastly uses configuration versioning, where you can deploy a new version in less than one minute."
"The product's initial setup phase is straightforward."
"The product helps our organization to access sites located in different regions quickly."
"Rate limiting is a good feature that protects from volumetric attacks."
 

Cons

"The GUI interface can be confusing due to similar-looking tabs for policy building, traffic learning, and event logs."
"While F5 Advanced WAF does limit the number of partners in certain regions to ensure successful business transactions, they could also benefit from expanding their partnerships and making it easier for more people to learn about and become experts in F5 Advanced WAF. By doing so, they could increase the reach and exposure of their solution, similar to how Cisco has become widely recognized in the security industry."
"F5 Advanced needs to improve its bot protection. The solution needs to have machine learning to learn the behavior of the customer to recognize the human versus the bot. This is a difficult feature to explain to our customers. I would like documentation about the bot feature to make it easier for the customer to understand."
"The reporting portion of F5 Advance WAF is not great. They need to work out something better, as it is very basic. You only see the top IPs, I think there is more they can offer."
"The reporting could be clearer and embedded to include our movement data."
"More legacy protocols should be added to the solution."
"F5 Advanced WAF needs better integration within the application, like remote dashboards."
"Its price should be better. It is expensive."
"Support is not that great."
"The product should provide improved bot detection and management."
"The solution's pricing could be better."
"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."
"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."
"What I don't like about Fastly is that they charge a heavy price."
 

Pricing and Cost Advice

"Its price is fair. We have done a couple of deals where they were able to give some kind of discount to the customers. The price was initially high for the customers, but after a couple of negotiations, it came within their budget. They were happy with that."
"The cost is slightly above average."
"The way we deployed it, I would rate it a four out of five in terms of pricing."
"There is a perpetual license that comes with your hardware. There is also an additional fee for support."
"The solution is very expensive so should only be used in the right environment."
"There are different licenses available to use F5 Advanced WAF, such as BT, ASM, and LPM."
"I would rate the pricing as seven out of ten"
"The pricing of F5 Advanced WAF is more expensive than other solutions like Radware and CD18, it is quite high."
"I've generally found Fastly to be very competitive in pricing, especially around Compute@Edge."
"Fastly is less expensive than one of its competitors."
"In my opinion, Fastly is priced competitively."
"The solution is cheaper than other products in the market."
"It is an expensive solution."
"You need to pay a premium price for the tool."
"The pricing has been very competitive."
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Top Industries

By visitors reading reviews
Financial Services Firm
16%
Computer Software Company
14%
Government
8%
Comms Service Provider
6%
Computer Software Company
17%
Comms Service Provider
9%
Financial Services Firm
9%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about F5 Advanced WAF?
It's a fairly easy-to-use and user-friendly tool. My administrators and team also like its ability to customize the rules per the requirements.
What needs improvement with F5 Advanced WAF?
I do not have anything in mind right now that needs improvement. Generally, it works well. If we need any specific feature, we approach F5 directly.
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 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...
 

Overview

 

Sample Customers

MAXIMUS, Vivo, American Systems, Bangladesh Post Office, City Bank
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
Find out what your peers are saying about F5 Advanced WAF vs. Fastly and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.