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AWS WAF vs F5 Silverline Managed Services comparison

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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:
 

ROI

Sentiment score
6.5
Cloudflare users experienced increased performance, security, and cost-effectiveness, leading to improved loyalty and revenue despite difficult ROI calculations.
Sentiment score
6.7
AWS WAF provides valuable security by preventing hacks, enhancing satisfaction, and ensuring financial benefits despite its cost.
Sentiment score
6.6
F5 Silverline Managed Services offers effective cybersecurity solutions, with variable ROI perceptions and appreciation for time and cost savings.
WordPress security can be tricky, and that's where Cloudflare can be absolutely helpful for small businesses.
For the small project I was working on, using the basic tier provided a huge improvement at zero cost.
In terms of return on investment with Cloudflare, it costs my time to set them up, but basically once they're set up, it's done.
 

Customer Service

Sentiment score
7.0
Cloudflare's customer service is quick, but technical support feedback is mixed, with improvement needed in responsiveness and detailed assistance.
Sentiment score
6.6
AWS WAF support is generally good, but experiences vary, with enterprise users more satisfied than others.
Sentiment score
6.1
F5 Silverline's customer support is responsive but varies; users praise personalization but note challenges with escalations and response times.
This would help us address issues promptly, especially during unforeseen events like DDoS attacks.
Cloudflare does not offer hands-on technical support to fix customer problems but rather a self-service model.
I would rate the technical support with Cloudflare as excellent every time I've had to call them.
Resolving issues can take time because the support personnel may lack product expertise, leading to delays.
Their support team is responsive, and they deliver timely updates, addressing any glitches promptly.
They resolve the issues by joining me to fix them.
 

Scalability Issues

Sentiment score
8.1
Users praise Cloudflare for seamless scalability, effective traffic management, easy upgrades, and robust global infrastructure without disruptions.
Sentiment score
7.8
AWS WAF is highly scalable and adaptable, popular among companies despite some integration challenges, especially for cloud environments.
Sentiment score
7.8
F5 Silverline offers scalable managed services, efficiently handling enterprise demands with flexible expansion and seamless capacity management.
It is a SaaS tool, but the fact that they have workloads deployed across the world proves that it is a highly scalable tool.
The tool offers very good performance, even during high-traffic periods.
I rate the solution’s scalability an eight out of ten.
F5 Silverline Managed Services is scalable enough without observed limitations.
The solution is fully scalable, and I would give it a rating of ten on a scale of one to ten for scalability.
 

Stability Issues

Sentiment score
7.6
Cloudflare is highly rated for stability and uptime, with few past issues, especially on higher-tier plans.
Sentiment score
8.3
AWS WAF is highly stable, reliable, with minor customization hiccups, praised for supporting secure and stable applications.
Sentiment score
7.3
F5 Silverline delivers stable performance with strong monitoring, minimal downtime, effective support, and high stability ratings despite occasional issues.
For DDoS protection, I would not recommend Cloudflare.
I rate the solution’s stability an eight out of ten.
The service is very stable with no impacts during high-traffic periods.
In terms of reliability, I would rate AWS WAF about six out of ten due to the need for improved signature sets.
We faced issues with AWS WAF when writing the custom rules.
They offer regular updates, and overall, I would rate the stability of the solution as nine out of ten.
 

Room For Improvement

Enhancements needed in Cloudflare: analytics, CDN latency, API integration, user support, DNS, pricing, documentation, server coverage, WAF, and cache.
AWS WAF requires improvements in automation, integration, user interface, cost management, and advanced threat detection with AI.
F5 Silverline needs improved pricing, integration, user interfaces, automation, API, and enhanced features like AI and bot detection.
There's a need for improvement in areas like AI-based DDoS attacks and Layer 7 WAF features.
Despite these challenges, overall, Cloudflare remains the preferred solution compared to Azure, AWS CloudFront, and Google Cloud Armor.
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.
Compared to firewalls, WAFs generally provide limited stateful analysis capabilities.
The way we see it now is just mentioned as a percentage from bots and actual users, which should include proper graphs and detailed information.
Features like bot protection or DDoS mitigation, available with other WAF vendors, do not come natively with AWS WAF.
Introducing preemptive support prompts would reduce the manual effort required for creating policies or blocking specific IPs.
Improvements could include the creation of highly optimized profiles.
 

Setup Cost

Cloudflare offers scalable pricing, from free to enterprise plans, providing significant value especially for mid-sized companies.
AWS WAF offers flexible pay-as-you-go pricing, seen as cost-effective by many, though high-traffic costs can rise.
Enterprise users view F5 Silverline pricing as competitive but costly, with room for negotiation and flexible licensing options.
That's where Cloudflare shines for smaller businesses – it's ten times cheaper than Akamai.
I find it to be cheap.
The pricing for the service is reasonable, neither excessively cheap nor prohibitively expensive.
Due to our status as an AWS shop, AWS WAF is cost-effective for us, and we benefit from discounts due to our extensive use of AWS services.
The licensing cost for AWS WAF is just pay-as-you-go; it is a service-based model.
On a scale where ten is very expensive, I would rate the pricing as three.
The solution is expensive
 

Valuable Features

Cloudflare enhances performance and security with CDN caching, DDoS protection, and an easy-to-use dashboard, benefiting many users.
AWS WAF provides scalable, cloud-native security with customizable features to protect applications from threats, including OWASP top 10 vulnerabilities.
F5 Silverline Managed Services provides easy setup, robust security features, excellent scalability, and effective DDoS protection with comprehensive reporting.
The most valuable features of the solution are performance and security.
Techniques like minification and image compression reduce the size of assets, leading to better performance and faster user load times.
The solution has been able to compare it to the market, and I think the product has taken great strides in automating quite a bit of things, and they use a lot of AI.
The biggest benefit of AWS WAF for us is to filter malicious requests, so we can protect our environment and application from malicious actors.
The cloud-native nature of AWS is crucial since most of our workload is in AWS, making AWS WAF native to Amazon Web Services.
AWS WAF is not stateful, it offers a time-saving solution with its custom rulesets that enhance security and simplify management.
It allows for centralized management of certificates, protecting applications from top ten attacks like SQL injection and cross-site scripting.
The monitoring tab displays GET and POST requests in a readable format, making it accessible even to non-tech-savvy individuals.
 

Categories and Ranking

Cloudflare
Sponsored
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
77
Ranking in other categories
CDN (1st), Distributed Denial-of-Service (DDoS) Protection (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (12th)
AWS WAF
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
60
Ranking in other categories
Web Application Firewall (WAF) (2nd)
F5 Silverline Managed Services
Average Rating
7.8
Reviews Sentiment
6.8
Number of Reviews
16
Ranking in other categories
Web Application Firewall (WAF) (23rd), Distributed Denial-of-Service (DDoS) Protection (14th)
 

Featured Reviews

Carlos Alam Hernandez Baruch - PeerSpot reviewer
Fast and secure deployments simplify operations for government and fintech clients
It is a fast and secure DNS. It is very easy to deploy, and my customers are happy with this tool. Additionally, the CDN performance in Mexico is excellent, providing fast service and tools. It offers reliability during high-traffic periods, ensuring no impact on the environment. It helps my clients avoid using on-premise boxes, simplifying operations as they only use the prices on Cloudflare.
Azam S M - PeerSpot reviewer
Has successfully filtered malicious traffic and allowed country-specific access controls
For improvement in AWS WAF, we can have better monitoring. One of the things that should be improved in AWS WAF is the monitoring; we need to identify the requests and where they are coming from. If it's a bot, we should differentiate the requests, whether they are automated or not. The way we see it now is just mentioned as a percentage from bots and actual users, which should include proper graphs and detailed information. We also need a feature where we can filter specific requests. If there are scripts in the requests, we should be able to filter those requests to see if there are any scripts running from them.
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.
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Comms Service Provider
11%
Financial Services Firm
10%
Manufacturing Company
7%
Computer Software Company
15%
Financial Services Firm
15%
Manufacturing Company
9%
Government
6%
Financial Services Firm
19%
Insurance Company
14%
Comms Service Provider
12%
Computer Software Company
12%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business46
Midsize Enterprise8
Large Enterprise25
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise12
Large Enterprise25
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise2
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 are the limitations of AWS WAF vs alternative WAFs?
Hi Varun, I have had experienced with several WAF deployments and deep technical assessments of the following: 1. Im...
How does AWS WAF compare to Microsoft Azure Application Gateway?
Our organization ran comparison tests to determine whether Amazon’s Web Service Web Application Firewall or Microsoft...
What do you like most about AWS WAF?
The most valuable feature of AWS WAF is its highly configurable rules system.
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
AWS Web Application Firewall
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.
eVitamins, 9Splay, Senao International
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Find out what your peers are saying about AWS WAF vs. F5 Silverline Managed Services and other solutions. Updated: September 2025.
872,837 professionals have used our research since 2012.