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AWS Shield vs F5 Silverline Managed Services comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 5, 2024

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
8.6
Reviews Sentiment
7.0
Number of Reviews
78
Ranking in other categories
CDN (1st), WAN Optimization (4th), Managed DNS (1st), Domain Name System (DNS) Security (5th), Cloud Security Posture Management (CSPM) (10th)
AWS Shield
Ranking in Distributed Denial-of-Service (DDoS) Protection
5th
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
11
Ranking in other categories
No ranking in other categories
F5 Silverline Managed Services
Ranking in Distributed Denial-of-Service (DDoS) Protection
14th
Average Rating
7.8
Reviews Sentiment
6.7
Number of Reviews
17
Ranking in other categories
Web Application Firewall (WAF) (23rd)
 

Mindshare comparison

As of February 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 16.6%, down from 18.0% compared to the previous year. The mindshare of AWS Shield is 4.4%, down from 6.7% compared to the previous year. The mindshare of F5 Silverline Managed Services is 1.6%, up from 1.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection Market Share Distribution
ProductMarket Share (%)
Cloudflare16.6%
AWS Shield4.4%
F5 Silverline Managed Services1.6%
Other77.4%
Distributed Denial-of-Service (DDoS) Protection
 

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.
reviewer2767527 - PeerSpot reviewer
Lead Architect at a comms service provider with 1,001-5,000 employees
Has enabled multi-layered threat mitigation but still lacks deeper visibility for advanced application attacks
AWS Shield has limited coverage as it only protects against common and high-volume network and transport layer attacks, such as SYN floods. It does not provide inherent protection against more sophisticated layer 7 attacks such as HTTP floods. In such cases, integration with WAF is necessary, which results in additional costs for customers. To protect layer 7, layer 4, and layer 3, customers must implement both solutions. The service also has difficulties with static detection thresholds, which may not be sensitive enough to detect smaller application-specific attacks. While AWS Shield is a key security service, AWS should enhance their expert support with 24/7 response for complex attacks, which is currently limited.
Mohan Janarthanan - PeerSpot reviewer
Associate Vice President at Novac Technology Solutions
Cloud applications have gained stronger protection and real-time defense against web attacks
What really stands out for me in terms of advantages of F5 Silverline Managed Services is that in a single cloud platform, I can protect my web applications against attacks. I can also use my load balancer in F5 because they are providing and acting as a load balancer too, and they will support the volumetric and DDoS attacks and malicious attacks. Regarding the real-time threat intelligence feature, I do use this aspect in F5 Silverline Managed Services. It blocks malicious IPs or bad IPs for my server, protecting against my applications. For example, if someone is a bad actor trying to access via a malicious IP, I can block it because the threat intelligence has the capability to block the malicious IP. The adaptable and flexible security impacts threat response time positively. It is effective because it blocks my malicious traffic. Whenever I face issues related to that application, it automatically routes my traffic to act as a proxy and routes my traffic to their scrubbing center, especially in case of any volumetric attack.

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 of Cloudflare DNS is security."
"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."
"Cloudflare's DNS services deliver the best performance in terms of speed and reliability."
"New and innovative way to protect the client's data."
"It is a stable solution. I rate the stability a ten out of ten...I rate the scalability a ten out of ten."
"The DDoS protection is the most valuable aspect of the solution."
"The technical support is good."
"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."
"The product has a good mechanism to analyze trends and trigger events."
"The automatic detection and mitigation of DDoS attacks in the product operates in real-time and provides satisfactory results."
"The solution operates smoothly at its baseline level, and we do not encounter any issues at that level."
"It is quite scalable, and we have not faced any issues with its scalability."
"The solution's ease of use is the most valuable feature."
"AWS Shield is aligned with the web application firewall (WAF), and they work seamlessly together, primarily working with Elastic Load Balancer, CloudFront, and Route 53 for CDN and DNS services protection."
"I recommend AWS Shield because it has proven helpful in tracking DDoS attacks within both my past and present environments, and without AWS Shield, a business could face potential losses, as this tool helps in identifying and mitigating fake traffic that disrupts applications, ultimately supporting business continuity."
"It is integrated with AWS. So, it gives you a good first step."
"The most valuable feature of F5 Silverline Managed Services is the benchmark performance."
"The best advantage of F5 Silverline Managed Services is that it is easy to use."
"Most vendors fulfill the requirements for standard DDoS protection, but F5 Silverline Managed Services has a better understanding of defending web applications like HTTP and can mitigate more bot activity than any other vendor."
"What really stands out for me in terms of advantages of F5 Silverline Managed Services is that in a single cloud platform, I can protect my web applications against attacks."
"The initial setup is very straightforward."
"It's a good front end for public infrastructure"
"The most valuable feature of F5 Silverline Managed Services is it becomes similar to a distributed architecture."
"F5 Silverline offers load balancing, flexibility, and reliability."
 

Cons

"If they improve on the placement of their data centers, it would be better. I'm living in a remote area. I would like to connect to them without any kind of lag."
"The product needs to improve its automation."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"In the last two years, there has been a certain amount of downtime when using the VDM."
"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."
"For large enterprises, the pricing is okay. However, the enterprise price for small projects is a bit high. A mid-tier pricing option would be beneficial."
"I think the APIs are a little bit hard for us to work with. The APIs could be more open so that we could integrate better with our SolarWinds or our monitoring solution."
"There is an area for improvement regarding health checks. AWS Shield does not come with its own health check functionality."
"We end up having to pay extra for features that AWS adds that we don't need."
"The network has been experiencing frustrating performance issues today, which is not typical for Nigeria."
"The product needs to improve its logs and reports to make it read better."
"AWS Shield Standard requires improvement, particularly regarding its dashboard since it currently provides limited coverage against comprehensive DDoS attacks."
"Perhaps the time required to detect anomalies can be reduced. Presently, it takes some time to determine whether a situation is normal or abnormal."
"AWS Shield has limited coverage as it only protects against common and high-volume network and transport layer attacks, such as SYN floods."
"Perhaps the time required to detect anomalies can be reduced."
"We'd like more AI to be used. Right now, they don't use it enough."
"The price is high in comparison to other products."
"You need to have Linux knowledge in order to use the shell."
"Improvements could include the creation of highly optimized profiles, optimization deployments, and compression profiles for better performance."
"Automating processes could enhance F5 Silverline Managed Services."
"There is room for improvement in the stability of the solution."
"We need to have support for cloud protection, which is not offered by this solution."
"The navigation is difficult to use."
 

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."
"The price is reasonable."
"We are using the free version."
"The cost primarily depends on the size of the organization."
"The price of the solution is expensive."
"The product's pricing is cheap."
"The cost depends on traffic each month, so on average, it costs us between US$200 and US$300 per month."
"The tool's pricing is good."
"It depends on your subscription level and the volume that you're spending with AWS. So, it is very relative to the consumption alignment in your subscription level. It is a well-constructed, scalable pricing option, but it is relative to how much you're spending on AWS. Because the more you spend, typically, the more you get off on services like this. I find it to be comparable to other solutions."
"The tool is cheap."
"We pay $3000 per month for the solution."
"The product’s pricing is reasonable."
"The price of F5 Silverline Managed Services could be reduced."
"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."
"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."
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Comms Service Provider
10%
Computer Software Company
9%
Manufacturing Company
8%
Comms Service Provider
12%
Computer Software Company
10%
Financial Services Firm
9%
Insurance Company
8%
Financial Services Firm
19%
Comms Service Provider
13%
Insurance Company
13%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business46
Midsize Enterprise8
Large Enterprise26
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise1
Large Enterprise7
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise3
Large Enterprise8
 

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 do you like most about AWS Shield?
We have integrated the tool with Active Directory. The most important feature is that it's transparent and doesn't de...
What is your experience regarding pricing and costs for AWS Shield?
The pricing structure for AWS Shield is fair, yet it depends on the specific protections chosen. Enabling Shield Adva...
What needs improvement with AWS Shield?
Services always benefit from improvements, including AWS Shield. With respect to the Web Application Firewall, curren...
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 quite reasonably priced, with costs being lower in comparison to competitors. On a scale where ten is...
What needs improvement with F5 Silverline Managed Services?
Automating processes could enhance F5 Silverline Managed Services. For example, introducing preemptive support prompt...
 

Also Known As

Cloudflare DNS
No data available
F5 Silverline Web Application Firewall, F5 Silverline DDoS Protection
 

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.
netflix, dow jones, mapbox, pearson, rovio, youview, moviestar planet, asurion, payplug, hour of code
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Find out what your peers are saying about AWS Shield vs. F5 Silverline Managed Services and other solutions. Updated: February 2026.
882,207 professionals have used our research since 2012.