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F5 Silverline Managed Services vs NGINX App Protect 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
7.6
Cloudflare WAF offers essential protection with cost-effective features, supporting various platforms and enhancing website visibility and uptime.
Sentiment score
6.1
F5 Silverline Managed Services offers effective cybersecurity solutions, with variable ROI perceptions and appreciation for time and cost savings.
Sentiment score
6.2
NGINX App Protect enhances network security and integration, offering positive ROI, cost-effectiveness, and compliance support during remote transitions.
My experience with the pricing or licensing of Cloudflare Web Application Firewall is that many features can be accessed for free, so the pricing is definitely reasonable.
Owner at Hga consulting
 

Customer Service

Sentiment score
6.3
Cloudflare Web Application Firewall's support is praised for responsiveness and helpfulness, despite challenges with contact and Indian support.
Sentiment score
6.2
F5 Silverline's customer support is responsive but varies; users praise personalization but note challenges with escalations and response times.
Sentiment score
6.1
NGINX App Protect support is knowledgeable and helpful, though some users report delays, costs, and occasional skill gaps.
I would rate the technical support with Cloudflare as excellent every time I've had to contact them.
Owner at Hga consulting
The technical support of Cloudflare Web Application Firewall rates between five and seven at maximum.
IT Manager at Amla Commerce
Their support team is responsive, and they deliver timely updates, addressing any glitches promptly.
Senior Network Security Consultant at a tech vendor with 10,001+ employees
I think 24/7 expert support and streamlined compliance management definitely benefit my company's security efforts.
Associate Vice President at Novac Technology Solutions
Configuration problems largely arise from customer misunderstanding, leading to cases opened for configuration aspects where AI has become increasingly useful.
Network And Security Consultant at TD SYNNEX
They were quick and efficient when we had issues.
Project Manager at a comms service provider with 10,001+ employees
I would rate the customer support a 9 on a scale of 1 to 10.
Tech Lead at a tech vendor with 51-200 employees
 

Scalability Issues

Sentiment score
7.7
Cloudflare Web Application Firewall excels in scalability and ease of use, supporting large user bases efficiently with minimal management.
Sentiment score
7.8
F5 Silverline offers scalable managed services, efficiently handling enterprise demands with flexible expansion and seamless capacity management.
Sentiment score
6.3
NGINX App Protect is praised for scalability but faces challenges with traffic limits, configuration times, and centralized management needs.
The scalability of Cloudflare Web Application Firewall rates between 8 to 9, as it depends upon the use cases and what exactly the client needs.
IT Manager at Amla Commerce
F5 Silverline Managed Services is scalable enough without observed limitations.
Senior Network Security Consultant at a tech vendor with 10,001+ employees
The solution is fully scalable, and I would give it a rating of ten on a scale of one to ten for scalability.
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
F5 Silverline Managed Services is not a concern due to its scalability.
Associate Vice President at Novac Technology Solutions
The scalability of NGINX App Protect is good and open source at its best.
Tech Lead at a tech vendor with 51-200 employees
 

Stability Issues

Sentiment score
8.2
Cloudflare Web Application Firewall is praised for its reliable performance, minimal downtime, and effective security features across industries.
Sentiment score
7.4
F5 Silverline delivers stable performance with strong monitoring, minimal downtime, effective support, and high stability ratings despite occasional issues.
Sentiment score
8.4
NGINX App Protect is stable, lightweight, and impressive in transaction handling, integrating well with Ingress Controller and rated highly.
The stability of Cloudflare Web Application Firewall deserves a perfect 10 out of 10.
IT Manager at Amla Commerce
They offer regular updates, and overall, I would rate the stability of the solution as nine out of ten.
Senior Network Security Consultant at a tech vendor with 10,001+ employees
It is a quality solution, and I would rate its stability as eight out of ten.
IT Architect at a financial services firm with 10,001+ employees
 

Room For Improvement

Cloudflare's Web Application Firewall requires ModSecurity upgrades, improved logging, integration, accuracy, more controls, and better documentation.
F5 Silverline needs improved pricing, integration, user interfaces, automation, API, and enhanced features like AI and bot detection.
NGINX App Protect faces issues with flexibility, cost, integration, and usability, prompting calls for enhancements and cost-effective solutions.
The product can improve by having more multitenancy capability, which is currently not available.
Network Architect at a computer software company with 11-50 employees
I think they're doing a good job with DNS and as support for any domains that I create or that my clients create, it's mandatory for me to ensure they have Cloudflare as their DNS provider.
Owner at Hga consulting
And maybe something similar to Pushpin that Fastly has, which is an option where you can push messages that then can be scaled globally over the network.
CTO at PlayNirvana
Introducing preemptive support prompts would reduce the manual effort required for creating policies or blocking specific IPs.
Senior Network Security Consultant at a tech vendor with 10,001+ employees
F5 Silverline Managed Services needs to adapt compliances related to India's DPDP.
Associate Vice President at Novac Technology Solutions
Improvements could include the creation of highly optimized profiles.
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
There was more information from F5 regarding hardware requirements and specifications to deploy the service.
IT Architect at a financial services firm with 10,001+ employees
The GUI and web GUI configuration could be improved to be easier to manage and use.
Dev Ops Engineer at adesso AG
I think NGINX App Protect could be improved by having it come out of the box with NGINX.
Tech Lead at a tech vendor with 51-200 employees
 

Setup Cost

Cloudflare's WAF offers competitive pricing from $20 to $10,000, seen as cost-effective but could improve transparency.
Enterprise users view F5 Silverline pricing as competitive but costly, with room for negotiation and flexible licensing options.
NGINX App Protect is seen as expensive yet competitive, with pricing from $3,000 to $400,000 based on usage.
On a scale where ten is very expensive, I would rate the pricing as three.
Senior Network Security Consultant at a tech vendor with 10,001+ employees
The solution is expensive
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
Regarding the pricing of F5 Silverline Managed Services, I would say it is quite affordable.
Associate Vice President at Novac Technology Solutions
 

Valuable Features

Cloudflare Web Application Firewall provides scalable DDoS protection, configurable rules, advanced features, and comprehensive support with minimal false positives.
F5 Silverline Managed Services provides easy setup, robust security features, excellent scalability, and effective DDoS protection with comprehensive reporting.
NGINX App Protect offers advanced WAF, scalability, security features, and seamless integration for cloud-native architectures with effective traffic management.
The custom rules and the geo-redundant geographical rule feature, which allows me to implement geographical rules for customers, add significant value.
Network Architect at a computer software company with 11-50 employees
The best features of Cloudflare Web Application Firewall are multiple, including the WAF, rate limiter, and bot attack protection.
IT Manager at Amla Commerce
Cloudflare Web Application Firewall's advanced reporting and analytics tools add a layer that we're able to visualize and see before it actually hits the local firewall.
Owner at Hga consulting
It allows for centralized management of certificates, protecting applications from top ten attacks like SQL injection and cross-site scripting.
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
The monitoring tab displays GET and POST requests in a readable format, making it accessible even to non-tech-savvy individuals.
Senior Network Security Consultant at a tech vendor with 10,001+ employees
One part is positive security, which allows you to know vulnerabilities in depth, and you can implement CAPTCHA and MFA for logins, while also preventing known threats with included signatures.
Network And Security Consultant at TD SYNNEX
The most valuable feature is the ability to operate in a DevOps environment and to be configured through API and pipeline by the developers themselves.
IT Architect at a financial services firm with 10,001+ employees
Detecting bots and blocking IPs have proven effective for securing applications.
Project Manager at a comms service provider with 10,001+ employees
It is stable, affordable, and easy to manage.
Dev Ops Engineer at adesso AG
 

Categories and Ranking

Cloudflare Web Application ...
Sponsored
Ranking in Web Application Firewall (WAF)
7th
Average Rating
8.6
Reviews Sentiment
7.4
Number of Reviews
26
Ranking in other categories
No ranking in other categories
F5 Silverline Managed Services
Ranking in Web Application Firewall (WAF)
23rd
Average Rating
7.8
Reviews Sentiment
6.7
Number of Reviews
18
Ranking in other categories
Distributed Denial-of-Service (DDoS) Protection (14th)
NGINX App Protect
Ranking in Web Application Firewall (WAF)
15th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
26
Ranking in other categories
Container Security (27th), API Security (7th)
 

Mindshare comparison

As of February 2026, in the Web Application Firewall (WAF) category, the mindshare of Cloudflare Web Application Firewall is 5.6%, down from 6.6% compared to the previous year. The mindshare of F5 Silverline Managed Services is 1.3%, up from 1.1% compared to the previous year. The mindshare of NGINX App Protect is 2.1%, up from 1.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF) Market Share Distribution
ProductMarket Share (%)
Cloudflare Web Application Firewall5.6%
NGINX App Protect2.1%
F5 Silverline Managed Services1.3%
Other91.0%
Web Application Firewall (WAF)
 

Featured Reviews

DB
CTO at PlayNirvana
Advanced security reporting has protected high-traffic betting platforms from constant attacks
I don't see room for improvement to Cloudflare Web Application Firewall. One thing I don't know much about because we have a dedicated IT team for that, and I'm not involved with Cloudflare much anymore. But if I were to compare them to F5, I would like to see more features that F5 offers. F5 has an option to bring the whole infrastructure, the whole WAF and all their packages, Bot Management, and everything else on your infrastructure. You need to install certain services from their side, and then you can choose if you would like requests to hit your servers immediately or if requests need to be proxied through F5 backbone. That would be a nice addition because we have 90% of the traffic as legit traffic coming from whitelisted servers. If it comes from whitelisted servers, I don't need to go every request through the backbone; I could easily just IP whitelist everything. Then I could maybe have Bot Management on my infrastructure that drastically reduces the price of Cloudflare. I would like to see Push CDN more improved in the next release of Cloudflare Web Application Firewall. And maybe something similar to Pushpin that Fastly has, which is an option where you can push messages that then can be scaled globally over the network. From our perspective, if we have a listener that listens for stock updates, I would just need to have one processor that pushes those updates to the Cloudflare API, and then Cloudflare would broadcast that message to all listeners. Cloudflare will check the order of the message, and if you, as a customer, are not connected or have some kind of network issue, when you reconnect, you will receive the latest state and missing updates.
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.
JP
Project Manager at a comms service provider with 10,001+ employees
Blocking IPs and detecting bots enhances security for medical websites
I was researching products like NGINX App Protect and F5 Advanced WAF for long-term options. I have some use for such a solution, but probably not before next year Detecting bots and blocking IPs have proven effective for securing applications. We were able to block groups of IP addresses that…
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
9%
Financial Services Firm
8%
Comms Service Provider
7%
Financial Services Firm
19%
Comms Service Provider
13%
Insurance Company
13%
Computer Software Company
8%
Computer Software Company
13%
Financial Services Firm
12%
Comms Service Provider
10%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise6
Large Enterprise6
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise3
Large Enterprise9
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise5
Large Enterprise12
 

Questions from the Community

What needs improvement with Cloudflare Web Application Firewall?
I don't really use the rule-based logic feature or utilize the WAF's ability to scale as a cloud-based service. I don...
What is your primary use case for Cloudflare Web Application Firewall?
I'm using Cloudflare Web Application Firewall on all my domains and any client domains I have; I set them up with a C...
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...
What is your experience regarding pricing and costs for NGINX App Protect?
I don't know the pricing yet because in my other project, I was not part of the buying side and I was just starting t...
What needs improvement with NGINX App Protect?
It would be better if it were easier to implement and if there was more information from F5 regarding hardware requir...
 

Also Known As

Cloudflare WAF
F5 Silverline Web Application Firewall, F5 Silverline DDoS Protection
NGINX WAF, NGINX Web Application Firewall
 

Overview

 

Sample Customers

crunchbase, udacity, marketo, okcupid, zendesk
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Information Not Available
Find out what your peers are saying about F5 Silverline Managed Services vs. NGINX App Protect and other solutions. Updated: February 2026.
882,333 professionals have used our research since 2012.