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F5 Silverline Managed Services vs Radware DDoS Protection Service comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 30, 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
Ranking in Distributed Denial-of-Service (DDoS) Protection
1st
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
74
Ranking in other categories
CDN (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (14th)
F5 Silverline Managed Services
Ranking in Distributed Denial-of-Service (DDoS) Protection
15th
Average Rating
7.8
Reviews Sentiment
6.9
Number of Reviews
15
Ranking in other categories
Web Application Firewall (WAF) (25th)
Radware DDoS Protection Ser...
Ranking in Distributed Denial-of-Service (DDoS) Protection
2nd
Average Rating
8.8
Reviews Sentiment
7.0
Number of Reviews
36
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2025, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 19.4%, up from 19.2% compared to the previous year. The mindshare of F5 Silverline Managed Services is 1.3%, down from 2.5% compared to the previous year. The mindshare of Radware DDoS Protection Service is 8.2%, up from 7.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection
 

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.
DejanBlagojevic - PeerSpot reviewer
Mitigates more bot activity when defending web applications than any other vendor but comes at a price
F5 Silverline Managed Services is expensive. You do get world-class quality of mitigation, but I think it is still pricey. You can find similar services, potentially of slightly lower quality, from other vendors like Cloudflare or Akamai for about half the price. When you compare what you get for the money you spend at Cloudflare or Akamai, you do get less protection but you are not dishing out too much for it. On the other hand, at F5 Silverline Managed Services, you do get better protection but, but you are paying double for it. We have had mixed feedback from our clients about this. Most of them would rather pay less for a bit of a lower-quality defense than overshoot their budget. The most common piece of feedback we receive is that the difference in protection levels is not reflected in the price.
Ajay Tyagi - PeerSpot reviewer
Successfully protects from DDoS attacks
The product is good, but the company could improve its services by appointing customer success managers. This would ensure better interaction with customers and help resolve issues on both customer and supplier ends. Most other security product companies such as Palo Alto and Forcepoint appoint customer success managers to interact with customers and ensure that the product they have purchased is used perfectly. If we are facing any kind of issues in using the product or service, the customer success manager should get things right.

Quotes from Members

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

Pros

"When using services like Heroku, Cloudflare is very useful for CNAME flattening. I also use it for their end-to-end SSL with TLS authentication on nginx for securing servers."
"The most valuable feature of the solution is external DNS. It is also very secure. They have their own main server and once you configure it, the product takes care of everything. There are no issues in resolving IPs and low latency is also present."
"The attacker won't have details since my public IP is anonymous. It offers us good privacy."
"DDoS attacks target unprotected machines. Cloudflare detects and stops these attacks using internal systems. It identifies incoming DDoS attacks, issuing challenges or blocking them immediately."
"Easier http to https redirect using page rules"
"It is a fast and secure DNS."
"I like Cloudflare's application gateway and DDoS protection."
"The overall experience with Cloudflare is positive, with a rating of eight out of ten."
"F5 Silverline offers load balancing, flexibility, and reliability."
"The most valuable feature of F5 Silverline Managed Services is it becomes similar to a distributed architecture."
"We have a lot of businesses that we put behind this solution, and it has really helped us in terms of monitoring the logs and incidents."
"The product’s UI is easy to understand."
"F5 technical support is really good."
"The most valuable features are the configuration and configuring the process."
"Its flexibility is the most valuable because it is a managed service. The good part is that you don't need to set it up. It just needs DNS routing, which is the easiest thing. Our client had Akamai for certain websites because they were using CDN features. They had NetScaler on the internal zone, F5 AWAFs on the data centers, and no WAF at all in the cloud. One of the main activities of the project was to move all these policies into a single WAF so that we could control and use that as a choke point. That exercise itself was very easy because it was a managed service and F5 Silverline Web Application Firewall does that for you. That's the best thing about F5 Silverline Web Application Firewall. It is easy to apply policies on-premises. If you have AWAF on-premises and you want to replicate some policies on F5 Silverline Web Application Firewall, other than the policies that it applies by itself, it is easy because you have a team that supports it. F5 Silverline Web Application Firewall works perfectly fine. It pretty much does everything that an Advanced WAF on-premises should do."
"The most valuable feature of F5 Silverline Managed Services is the benchmark performance."
"The best feature is the auto mitigation of the DefensePro solution created by Radware."
"SSL-based mitigation from DDoS attacks is good from their side. They are capable of preventing SSL-based attacks with certifications and everything loaded onto them."
"This solution is extremely scalable and has the highest level throughput (100G) which complies with Telco deployment."
"Radware DefensePro's most valuable feature lies in its ability to mitigate non-traffic attacks."
"Radware Cloud DDoS Protection Service goes beyond the essential Layer Three and Layer Four protection, which are practically mandatory these days."
"Its functionality is very good."
"All of our traffic has to pass through the appliance, so we can very quickly mitigate the attack. This is a very valuable feature. On top of that, it's not only volumetric attack protection that the solution offers, but also layer 7 attack protection as well."
"It's very good at protecting users from DDoS attacks. It's the leader in this domain."
 

Cons

"The pricing could be improved."
"The product support needs to be accessible from more places, a wider area of coverage."
"In the last two years, there has been a certain amount of downtime when using the VDM."
"The solution could be more user-friendly."
"We have noticed multiple instances where Cloudflare falsely indicates that our servers are down, even when there is no actual load on them. This makes it challenging for us to identify the exact issue."
"Although I think it's quite good, it doesn't provide me with all the features I would expect to have if I were using Imperva."
"Technical support is lacking."
"I would like Cloudflare to offer a dedicated account manager for large enterprise clients like us."
"F5 Silverline Managed Services can improve by adding features that Palo Alto has."
"In terms of the scalability, this part is always so confusing because they are checking for packet count. Also, after an attack, they said that the throughput must be from gigabits but then I check my bandwidth and it is already done in gigabits. So it is a little bit confusing."
"The product could be improved on the global load and the integration with the other solution like Cisco and Dell. As a representor of the operation, we prefer to have one platform which can accommodate all type of integration. We are also looking for more improvements in the security policy configuration."
"F5 Silverline Web Application Firewall, being a new product in the market or comparatively related to a new product, currently supports less number of PoPs. They should introduce more PoPs. The current number of PoPs that they have is around 10 or 12, which is still relatively less as compared to 2,400 plus PoPs that Akamai offers. The user latency or the number of hops a user needs before reaching the actual web application is less in Akamai because it has its internal fabric to route the traffic. They need to spin up more data to increase its traffic handling capability. They can also include the bot detection capability, though it is a pretty advanced functionality. If they could include DataDome like functionality, that is, bot prediction, then F5 Silverline Web Application Firewall will be top-notch in the market."
"There is room for improvement in the stability of the solution."
"There is a lot of room for improvement with their tech support. I am not sure F5 Silverline Managed Services can be classified as having tech support."
"The navigation is difficult to use."
"You need to have Linux knowledge in order to use the shell."
"Radware's management is very proactive, but Radware's lower-level staff is not proactive. You need to do a lot of follow-ups."
"Its documentation is not 100% clear, making it the weakest aspect of Radware. We have encountered some difficulties in understanding how to configure it correctly."
"The dashboard could be updated."
"We heavily relied on Radware's technical team to ensure the proper setup and configuration of VPN tunnels for cloud mitigation."
"Customization could be improved."
"It could incorporate more intelligence for reacting with web site visitors."
"Radware DefenseFlow should add new features and algorithms to make it efficient."
"The APSolute Vision feature needs improvement."
 

Pricing and Cost Advice

"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"The price of the solution is expensive."
"That is one of the great features. I was able to access the majority of the features and services for free."
"I give the price a five out of ten."
"For Cloudflare, I recommend it heavily for small businesses with revenue under a couple of million dollars. Onboarding is easy, and they even have a free plan. This makes it simple for businesses in the $100,000-$500,000 range to try it out and see its value, allowing them to scale up their infrastructure as needed."
"The product's pricing is minimal compared to other products."
"In terms of licensing costs, we don't pay for licensing for Cloudflare. We only establish communication, then for peering, Cloudflare takes care of the cross-connection in different data centers."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"The product’s pricing is reasonable."
"The price of F5 Silverline Managed Services could be reduced."
"F5 Silverline Web Application Firewall works based on your bandwidth. They look at the clean bandwidth and do the pricing. 20% of a total pipe would be a clean bandwidth. The list price or a non-negotiated price for F5 Silverline Web Application Firewall would be around $2,200 per application per year for everything that you need. When you get into an enterprise kind of a setup, they negotiate this to the last bit. I would easily take 20% on that, which would be the cost, but it should cover all your Advance WAF features, bot protection, tech campaign, etc. It is built as a package and gives you most of the capability. You don't get the mobile SDK, which is an additional license. Mobile SDK is required only if you're buying or if you have a mobile application, and you are going to instrument F5 or Imperva into your mobile appliance. This anyways would be an additional module. It doesn't come within the WAF, but it is a WAF feature."
"The price of F5 Silverline Managed Services could be better, they are not very flexible. The price of the solution is based on the requirements of the enterprise."
"The price was well over six figures."
"The Radware DefensePro was bundled together with our security platform."
"The pricing is okay, and I do not have any concerns about the price."
"I rate Radware DefenseFlow's pricing an eight out of ten."
"It is expensive. I would rate it a seven out of ten for pricing."
"When compared with other solutions, my end user is satisfied with the costs and believes that Radware Cloud DDoS Protection Service is worth the price paid."
"Radware DefensePro is a bit on the expensive side."
"The cost for maintenance is cheaper because the majority of the deployments using the solution are in areas where cost of maintenance is also lower."
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Answers from the Community

AS
Jun 2, 2021
Jun 2, 2021
I highly recommend Cloudflare. We switched from Akamai Prolexic to Cloudflare and couldn't be happier. We also got the worlds fastest DNS and speeded up our site load times with the 200+ edge locations near to our customers.
2 out of 5 answers
EW
Dec 23, 2020
You can have a look to Imperva Cloud WAF, the anti-DDoS mitigation is under 1s and works very well. I observed a lot of DDoS attacks that were well managed (even not seen by the customer) by Imperva, I can recommend it (try it with a trial, you'll be able to have your own opinion).
ML
Mar 15, 2021
In case you are considering a fully automated Cloud solution for DDoS Protection, BGP based, I can help with information on Voxility Anti-DDoS. 
 

Top Industries

By visitors reading reviews
Educational Organization
21%
Computer Software Company
13%
Comms Service Provider
9%
Financial Services Firm
8%
Financial Services Firm
21%
Insurance Company
12%
Computer Software Company
11%
Comms Service Provider
10%
Educational Organization
46%
Computer Software Company
12%
Financial Services Firm
7%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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.
Is Citrix ADC (formerly Netscaler) the best ADC to use and if not why?
For ADC, any ADC can do a good job. But in case if you want to add WAF functionality to the same ADC hardware you hav...
What is your experience regarding pricing and costs for F5 Silverline Managed Services?
The solution is expensive, however, the quality and performance are good.
What do you like most about Radware Cloud DDoS Protection Service?
The most important part is that Radware DDoS integrates seamlessly and provides anomaly identification, real-time not...
What is your experience regarding pricing and costs for Radware Cloud DDoS Protection Service?
The pricing is okay, and I do not have any concerns about the price. To someone who is researching DDoS protection so...
What needs improvement with Radware Cloud DDoS Protection Service?
The time it takes to upload a site to the cloud is critical when under attack. If a site is down, a quick response to...
 

Also Known As

Cloudflare DNS
F5 Silverline Web Application Firewall, F5 Silverline DDoS Protection
Radware DefensePro, Radware DefenseFlow
 

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
Myntex, APAC retailers
Find out what your peers are saying about F5 Silverline Managed Services vs. Radware DDoS Protection Service and other solutions. Updated: March 2025.
845,040 professionals have used our research since 2012.