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F5 BIG-IP Advanced Firewall Manager (AFM) vs Neustar UltraDDoS [EOL] comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 2, 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
7.0
Number of Reviews
79
Ranking in other categories
CDN (1st), WAN Optimization (4th), Distributed Denial-of-Service (DDoS) Protection (2nd), Managed DNS (1st), Domain Name System (DNS) Security (5th), Cloud Security Posture Management (CSPM) (17th)
F5 BIG-IP Advanced Firewall...
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
26
Ranking in other categories
Distributed Denial-of-Service (DDoS) Protection (13th)
Neustar UltraDDoS [EOL]
Average Rating
8.0
Reviews Sentiment
6.6
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Featured Reviews

M.A. Faisal - PeerSpot reviewer
General Manager at bKash Limited
Advanced protection has secured critical web workloads and provides clear traffic visibility
From a security perspective, there remains a security loophole, as some browsers in the market can bypass the Turnstile solution, which requires approximately 40 seconds to do so. From a performance perspective, this is acceptable. We also tried Google reCAPTCHA, and that can also be bypassed. From a security perspective, I would say neither solution is completely secured. Regarding uptime, we have faced a couple of incidents due to Cloudflare in recent years, so I cannot say we receive 100% uptime for our region. We sometimes face challenges, including downtime and other issues. As a result, we are not receiving 100% uptime from Cloudflare's solution. Since most of our customers are in this region, we need alternatives. We need something more competitive than Cloudflare. Unfortunately, in Bangladesh, Cloudflare has three points of presence already, and we cannot find any other solution provider in Bangladesh as an alternative, which presents another challenge. Competitor solutions have more attack signatures, which ensure better security compared to Cloudflare's predefined configurations. Customers do not have options to modify any configuration parameters in Cloudflare, whereas other competitor solutions, such as F5 Distributed Cloud, allow customers to tune configurations according to their requirements. Cloudflare could improve in this area. Additionally, regarding visibility, Cloudflare has static visibility, but they could adopt dynamic graph features for their customers.
Nawapol Boonlerd - PeerSpot reviewer
Information Security Engineer at BigFish Enterprise Ltd.
Comprehensive network protection has mitigated DDoS risks and supports secure on-prem operations
Currently, there are no weaknesses or disadvantages in F5 BIG-IP Advanced Firewall Manager (AFM) that I have identified. It is a little bit expensive, and I think about additional features they could have in the future to make it even better. For example, I have thoughts about the price. Currently, it does not integrate, and I would assess the importance of F5 BIG-IP Advanced Firewall Manager (AFM)'s integration with cloud services as significant. Currently, I use only one site, and I cannot tell you about F5 BIG-IP Advanced Firewall Manager (AFM) centralized security policies. I have not used F5 BIG-IP Advanced Firewall Manager (AFM)'s Threat Intelligence capabilities. I have not used their dynamic traffic shaping feature. So far, the only thing that could be improved is the pricing of F5 BIG-IP Advanced Firewall Manager (AFM).
JT
Manager Strategic Planning at Endurance International Group
Identifies a request that comes up multiple times, block holds that particular IP, and lets the genuine traffic pass through
Genuine traffic coming in is still getting better. While I understand that it's some sort of algorithm that is written in this scale, that algorithm can be a little bit better because sometimes while we are doing DDoS mitigation, genuine traffic does get blocked. While it is one of the greatest features it can still be improved. I would like to see a dashboard that shows you the data that is transferred from which end. It's where people start looking at abuse management. People keep questioning when the mitigation is on what service it is and how many GBs are passing through. An end user dashboard that will help you identify all of these questions and that can be visible in your entire organization is something that would make sense.

Quotes from Members

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

Pros

"There are key things that are used for our enterprise customers, such as Lambda and DNS."
"The DDoS protection is the most valuable aspect of the solution."
"Because our website is blazing fast it improves our conversion rates."
"The setup and configuration is also easy to perform and their support is excellent."
"Cloudflare allows us to self-host services such as Rocket.Chat and Node-RED, in high-availability mode, thanks to round robin DNS which allows us to share one hostname between our two locations."
"If someone is looking for a secure and optimized wrapper over an open website, I would suggest CloudFlare services."
"Smaller businesses have seen great ROI due to the low investment and strong performance."
"From a technical point of view, Cloudflare is the best CDN."
"The product’s most valuable features are LTM and WAF."
"CGNAT is one of its strong areas."
"I would say it's a good, stable solution; we haven't had a major issue with the AFM."
"The product is stable, scalable, and easy to use."
"The most valuable feature of F5 BIG-IP AFM is the iRules where I can customize the configuration."
"With controllers plus the firewall, you will only need one device to protect everything."
"It is stable."
"The solution is easily deployable and has great functionality."
"In the DDoS it's difficult to validate what is a genuine request from an end user. We've started being able to do that with the logistics that they have set up. With the protection that they have provided, they are able to identify what is valid and what is not valid. We see that a person who is getting DDoS Neustar service is able to block that particular user. However, while they are doing that it doesn't affect other customers on the server."
"Scalability is awesome, and they have grown two folds or three folds since we started using them, with no concerns even as we protect close to 60,000 hosted sites for business and e-commerce customers."
 

Cons

"I rate technical support quite badly."
"The reporting can definitely be improved to offer a lot more explanation on something that may have happened or has actually happened."
"The installation was complex until I learned what I had to learn."
"Flexible SSL is nothing more than an illusion of security that you're presenting to your visitors."
"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."
"Regarding uptime, we have faced a couple of incidents due to Cloudflare in recent years, so I cannot say we receive 100% uptime for our region."
"The Cloudflare load balancing capability hasn't really helped in enhancing my website's uptime and resiliency because we don't really get that much traffic; it's mostly remote users, and web hosting is done by a web hosting service."
"Cloudflare could offer a better view or maybe dashboards of the main resources used in the client."
"F5 BIG-IP Advanced Firewall Manager (AFM) is an expensive solution. They are one of the best in the market, but the price could be cheaper."
"For configuring the firewall, every single vendor on the planet has pretty much the same logic when it comes to firewalls, and F5 has a completely different approach and completely different behavior."
"Apart from the price, I feel no other areas need improvement."
"The interface for applying the features could use improvement. There are too many buttons."
"It doesn't compare to next generation firewalls"
"There is room for improvement in Advanced Firewall Manager's dashboard statistics, especially during attacks."
"The product is expensive."
"Some spam can go by the firewall."
"Genuine traffic coming in is still getting better because sometimes while we are doing DDoS mitigation, genuine traffic does get blocked."
"I would like to see a dashboard that shows you the data that is transferred from which end. It's where people start looking at abuse management. People keep questioning when the mitigation is on what service it is and how many GBs are passing through. An end user dashboard that will help you identify all of these questions and that can be visible in your entire organization is something that would make sense."
 

Pricing and Cost Advice

"A free version of the solution is available."
"The price is reasonable."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"We don't have any issues with the price."
"I believe their performance has improved, but I'd like to refrain from discussing the pricing aspect related to the cloud. The pricing, in my opinion, could be simplified, and I think they should consider reevaluating the pricing for support, as it can be quite high. At times, this cost can make it challenging to choose CARFAGuard or opt for the support."
"The product's pricing is cheap."
"The tool is a premium product, so it is very expensive."
"F5 BIG-IP AFM is an affordable solution. There were not any additional fees other than the standard licensing."
"The price of F5 BIG-IP AFM is a little more expensive than other firewalls on the market."
"F5 BIG-IP Advanced Firewall Manager is not an expensive solution."
"The product is expensive."
"As per pricing, I would not say cheap, but little higher than cheap, but not very expensive. So you can say kind of value for money solutions."
"F5 BIG-IP Advanced Firewall Manager (AFM) is an expensive solution. They are one of the best in the market, but the price could be cheaper."
"It's very expensive, and you pay extra for the models."
"We have purchased a five-year licensing package for the product."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Comms Service Provider
10%
Computer Software Company
8%
Manufacturing Company
8%
Financial Services Firm
15%
Construction Company
11%
Engineering Company
8%
Comms Service Provider
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business46
Midsize Enterprise11
Large Enterprise26
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise5
Large Enterprise14
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 is your experience regarding pricing and costs for Cloudflare DNS?
The pricing, setup cost, and licensing for Cloudflare are a bit on the higher side overall.
What is your experience regarding pricing and costs for F5 Advanced Firewall Manager?
The standard license is reasonably priced, but additional features like the WAF can be more expensive. There are plen...
What needs improvement with F5 Advanced Firewall Manager?
Currently, there are no weaknesses or disadvantages in F5 BIG-IP Advanced Firewall Manager (AFM) that I have identifi...
What is your primary use case for F5 Advanced Firewall Manager?
I am starting to learn and working with F5 team to conduct a proof of concept, and I do have experience with F5 Rules...
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Also Known As

Cloudflare DNS
F5 AFM, F5 Advanced Firewall Manager
Neustar UltraDDoS, UltraDDoS
 

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.
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Choxi
Find out what your peers are saying about Radware, Cloudflare, NETSCOUT and others in Distributed Denial-of-Service (DDoS) Protection. Updated: May 2026.
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