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Cloudflare Web Application Firewall vs F5 Silverline Managed Services comparison

Cloudflare and F5 are both solutions in the Web Application Firewall (WAF) category. Cloudflare is ranked #6 with an average rating of 8.5, while F5 is ranked #21 with an average rating of 9.0. Additionally, 95% of Cloudflare users are willing to recommend the solution, compared to 100% of F5 users who would recommend it.
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Cloudflare
Read 77 Cloudflare reviews
  • 37,802 Views
  • 5,670 Comparison Views
96% willing to recommend
Cloudflare Web Application ...
Read 25 Cloudflare Web Application Firewall reviews
  • 4,264 Views
  • 4,264 Comparison Views
95% willing to recommend
F5 Silverline Managed Services
Read 16 F5 Silverline Managed Services reviews
  • 1,522 Views
  • 944 Comparison Views
100% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Jan 1, 2025

F5 Silverline Managed Services and Cloudflare Web Application Firewall compete in the web security category. Cloudflare has an advantage with superior features that justify its cost, while F5 Silverline offers benefits in pricing and support.

Features: F5 Silverline Managed Services offers 24/7 organic mitigation, cloud-native functionality, and high-level protection. Cloudflare Web Application Firewall provides robust firewall capabilities, extensive threat intelligence, and seamless integration with existing infrastructure, enhancing its competitive edge.

Room for Improvement: F5 Silverline could enhance user interfaces and streamline deployment processes. Cost efficiency and flexibility in service plans are areas to improve. Cloudflare may benefit from better handling of false positives, increased customization options, and more thorough customer service interaction.

Ease of Deployment and Customer Service: F5 Silverline has a more involved deployment process with the benefit of strong customer support and continuous oversight. Cloudflare allows for quicker deployment through automated setups and offers extensive self-service resources, focusing on scalability and self-management.

Pricing and ROI: F5 Silverline often has higher initial setup costs but can deliver better ROI for businesses that require hands-on management. Cloudflare offers cost-effective pricing with flexible plans, providing significant ROI for companies focused on scalable, self-managed solutions. Its pricing model is accessible for rapid deployment and quick return on investment.

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To learn more, read our detailed Cloudflare Web Application Firewall vs. F5 Silverline Managed Services Report (Updated: December 2025).
Buyer's Guide
Cloudflare Web Application Firewall vs. F5 Silverline Managed Services
December 2025
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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
7.6
Cloudflare WAF offers essential protection with cost-effective features, supporting various platforms and enhancing website visibility and uptime.
Sentiment score
6.6
F5 Silverline Managed Services offers effective cybersecurity solutions, with variable ROI perceptions and appreciation for time and cost savings.
For the small project I was working on, using the basic tier provided a huge improvement at zero cost.
Wellington Malagutti
Security Specialist at a tech services company with 1,001-5,000 employees
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.
Herb Angle
Owner at Hga consulting
For more quotes and insights, download the Cloudflare report
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.
Herb Angle
Owner at Hga consulting
For more quotes and insights, download the Cloudflare Web Application Firewall report
No quotes available
For more quotes and insights, download the F5 Silverline Managed Services report
 

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
6.3
Cloudflare Web Application Firewall's support is praised for responsiveness and helpfulness, despite challenges with contact and Indian support.
Sentiment score
6.1
F5 Silverline's customer support is responsive but varies; users praise personalization but note challenges with escalations and response times.
Cloudflare does not offer hands-on technical support to fix customer problems but rather a self-service model.
reviewer1245303
Senior Consultant CDN at a comms service provider with 10,001+ employees
I would rate the technical support with Cloudflare as excellent every time I've had to call them.
Herb Angle
Owner at Hga consulting
I have primarily worked not with the tool's customer support but with the product's sales engineers and technical sales engineers, who seem to know their stuff.
reviewer2541525
Principal Cyber Prevent and Defense Engineer at a comms service provider with 1,001-5,000 employees
For more quotes and insights, download the Cloudflare report
I would rate the technical support with Cloudflare as excellent every time I've had to contact them.
Herb Angle
Owner at Hga consulting
The technical support of Cloudflare Web Application Firewall rates between five and seven at maximum.
Avinash Udawant
IT Manager at Amla Commerce
For more quotes and insights, download the Cloudflare Web Application Firewall report
Their support team is responsive, and they deliver timely updates, addressing any glitches promptly.
Ricky Makkar
Senior Network Security Consultant at a tech vendor with 10,001+ employees
They resolve the issues by joining me to fix them.
AhmedMansour
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
For more quotes and insights, download the F5 Silverline Managed Services report
reviewer1245303 - PeerSpot reviewer
HA
reviewer2541525 - PeerSpot reviewer
AU
RM
AM
 

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
7.7
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.
It is a SaaS tool, but the fact that they have workloads deployed across the world proves that it is a highly scalable tool.
reviewer2541525
Principal Cyber Prevent and Defense Engineer at a comms service provider with 1,001-5,000 employees
The tool offers very good performance, even during high-traffic periods.
Carlos Alam Hernandez Baruch
Engineer at SITMEXICO
I rate the solution’s scalability an eight out of ten.
Prajith Chowthee
Independent Consultant at Unaikui
For more quotes and insights, download the Cloudflare report
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.
Avinash Udawant
IT Manager at Amla Commerce
For more quotes and insights, download the Cloudflare Web Application Firewall report
F5 Silverline Managed Services is scalable enough without observed limitations.
Ricky Makkar
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.
AhmedMansour
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
For more quotes and insights, download the F5 Silverline Managed Services report
reviewer2541525 - PeerSpot reviewerCarlos Alam Hernandez Baruch - PeerSpot reviewer
PC
AU
RM
AM
 

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
8.1
Cloudflare Web Application Firewall is praised for its reliable performance, minimal downtime, and effective security features across industries.
Sentiment score
7.3
F5 Silverline delivers stable performance with strong monitoring, minimal downtime, effective support, and high stability ratings despite occasional issues.
I rate the solution’s stability an eight out of ten.
Prajith Chowthee
Independent Consultant at Unaikui
The service is very stable with no impacts during high-traffic periods.
Carlos Alam Hernandez Baruch
Engineer at SITMEXICO
For more quotes and insights, download the Cloudflare report
The stability of Cloudflare Web Application Firewall deserves a perfect 10 out of 10.
Avinash Udawant
IT Manager at Amla Commerce
For more quotes and insights, download the Cloudflare Web Application Firewall report
They offer regular updates, and overall, I would rate the stability of the solution as nine out of ten.
Ricky Makkar
Senior Network Security Consultant at a tech vendor with 10,001+ employees
For more quotes and insights, download the F5 Silverline Managed Services report
PC
Carlos Alam Hernandez Baruch - PeerSpot reviewer
AU
RM
 

Room For Improvement

Enhancements needed in Cloudflare: analytics, CDN latency, API integration, user support, DNS, pricing, documentation, server coverage, WAF, and cache.
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.
Despite these challenges, overall, Cloudflare remains the preferred solution compared to Azure, AWS CloudFront, and Google Cloud Armor.
Bilal Mujahid
Managed Services Manager at Adapture Technology Group
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.
Darryl Wethington
Senior Cloud Solution Architect at Integrated Technology Solution Group (ITSG)
There are some performance considerations when it comes to dynamic content that involves fetching data from databases or using APIs.
Animesh.Kumar
Senior Solutions Architect at Think Power Solutions
For more quotes and insights, download the Cloudflare report
The product can improve by having more multitenancy capability, which is currently not available.
reviewer2012637
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.
Herb Angle
Owner at Hga consulting
They need to improve their support because getting a response for basic requests took around 48 hours, which is too long.
Avinash Udawant
IT Manager at Amla Commerce
For more quotes and insights, download the Cloudflare Web Application Firewall report
Introducing preemptive support prompts would reduce the manual effort required for creating policies or blocking specific IPs.
Ricky Makkar
Senior Network Security Consultant at a tech vendor with 10,001+ employees
Improvements could include the creation of highly optimized profiles.
AhmedMansour
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
For more quotes and insights, download the F5 Silverline Managed Services report
Bilal Mujahid - PeerSpot reviewer
DW
Animesh.Kumar - PeerSpot reviewerreviewer2012637 - PeerSpot reviewer
HA
AU
RM
AM
 

Setup Cost

Cloudflare offers scalable pricing, from free to enterprise plans, providing significant value especially for mid-sized companies.
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.
I find it to be cheap.
Carlos Alam Hernandez Baruch
Engineer at SITMEXICO
I rate the product’s pricing a five out of ten, where one is cheap, and ten is expensive.
Animesh.Kumar
Senior Solutions Architect at Think Power Solutions
The tool is a premium product, so it is very expensive.
reviewer2541525
Principal Cyber Prevent and Defense Engineer at a comms service provider with 1,001-5,000 employees
For more quotes and insights, download the Cloudflare report
No quotes available
For more quotes and insights, download the Cloudflare Web Application Firewall report
On a scale where ten is very expensive, I would rate the pricing as three.
Ricky Makkar
Senior Network Security Consultant at a tech vendor with 10,001+ employees
The solution is expensive
AhmedMansour
Design & Delivery Senior Network Security Architect at Qiddiya Investment Company
For more quotes and insights, download the F5 Silverline Managed Services report
Carlos Alam Hernandez Baruch - PeerSpot reviewerAnimesh.Kumar - PeerSpot reviewerreviewer2541525 - PeerSpot reviewer
RM
AM
 

Valuable Features

Cloudflare enhances performance and security with CDN caching, DDoS protection, and an easy-to-use dashboard, benefiting many users.
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.
The most valuable features of the solution are performance and security.
Darryl Wethington
Senior Cloud Solution Architect at Integrated Technology Solution Group (ITSG)
Techniques like minification and image compression reduce the size of assets, leading to better performance and faster user load times.
Animesh.Kumar
Senior Solutions Architect at Think Power Solutions
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.
reviewer2541525
Principal Cyber Prevent and Defense Engineer at a comms service provider with 1,001-5,000 employees
For more quotes and insights, download the Cloudflare report
The custom rules and the geo-redundant geographical rule feature, which allows me to implement geographical rules for customers, add significant value.
reviewer2012637
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.
Avinash Udawant
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.
Herb Angle
Owner at Hga consulting
For more quotes and insights, download the Cloudflare Web Application Firewall report
It allows for centralized management of certificates, protecting applications from top ten attacks like SQL injection and cross-site scripting.
AhmedMansour
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.
Ricky Makkar
Senior Network Security Consultant at a tech vendor with 10,001+ employees
For more quotes and insights, download the F5 Silverline Managed Services report
DW
Animesh.Kumar - PeerSpot reviewerreviewer2541525 - PeerSpot reviewerreviewer2012637 - PeerSpot reviewer
AU
HA
AM
RM
 

Categories and Ranking

Cloudflare
Sponsored
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
77
Ranking in other categories
CDN (1st), WAN Optimization (4th), Distributed Denial-of-Service (DDoS) Protection (1st), Managed DNS (1st), Domain Name System (DNS) Security (5th), Cloud Security Posture Management (CSPM) (12th)
Cloudflare Web Application ...
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
25
Ranking in other categories
Web Application Firewall (WAF) (6th)
F5 Silverline Managed Services
Average Rating
7.8
Reviews Sentiment
6.8
Number of Reviews
16
Ranking in other categories
Web Application Firewall (WAF) (21st), Distributed Denial-of-Service (DDoS) Protection (14th)
 

Featured Reviews

HA
Herb Angle
Owner at Hga consulting
Has helped manage client domains with streamlined access control and threat visibility
I don't know what areas could be improved with Cloudflare WAF; Cloudflare is constantly improving and adding features to their feature set. They're doing a good job, and as far as DNS and support for any domains that I create or my clients create, it's mandatory for me to make sure that they have Cloudflare as their DNS provider. 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. It doesn't pay to try to host your own website.
Read full review
AU
Avinash Udawant
IT Manager at Amla Commerce
Effectively protects clients from automated threats and ensures global security
I cannot say much about areas of improvement for Cloudflare Web Application Firewall because I haven't gone through deep understanding of it, as I am still learning. However, they need to improve their support because getting a response for basic requests took around 48 hours, which is too long. If I took 48 hours to answer a request at my company, it would be a tough time to see or address the issue, and it would be frustrating.
Read full review
RM
Ricky Makkar
Senior Network Security Consultant at a tech vendor with 10,001+ employees
Manages network threats and supports application control with ease
The best advantage of F5 Silverline Managed Services is that it is easy to use. The admin guide they provide is easy to understand and allows for implementation within a few days. The traffic manager and the monitoring tool are valuable as well. The monitoring tab displays GET and POST requests in a readable format, making it accessible even to non-tech-savvy individuals. It offers effective reports and monitoring capabilities.
Read full review
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Financial Services Firm
10%
Comms Service Provider
10%
Manufacturing Company
8%
Computer Software Company
15%
Manufacturing Company
9%
Financial Services Firm
8%
Comms Service Provider
7%
Financial Services Firm
18%
Insurance Company
13%
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 Business15
Midsize Enterprise6
Large Enterprise6
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...
See all answers
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...
See all answers
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.
See all answers
What do you like most about Cloudflare Web Application Firewall?
The product has a valuable security control functionality.
See all answers
What is your experience regarding pricing and costs for Cloudflare Web Application Firewall?
The price of Cloudflare Web Application Firewall is reasonable.
See all answers
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...
See all answers
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...
See all answers
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...
See all answers
What needs improvement with F5 Silverline Managed Services?
Automating processes could enhance F5 Silverline Managed Services. For example, introducing preemptive support prompt...
See all answers
 

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Compared 2% of the time
Azure DNS vs Cloudflare Logo
Azure DNS vs Cloudflare
Compared 2% of the time
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Compared 11% of the time
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Compared 8% of the time
F5 Advanced WAF vs Cloudflare Web Application Firewall Logo
F5 Advanced WAF vs Cloudflare Web Application Firewall
Compared 7% of the time
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Imperva Application Security Platform vs Cloudflare Web Application Firewall
Compared 6% of the time
Azure Web Application Firewall vs Cloudflare Web Application Firewall Logo
Azure Web Application Firewall vs Cloudflare Web Application Firewall
Compared 6% of the time
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F5 Distributed Cloud Services vs F5 Silverline Managed Services Logo
F5 Distributed Cloud Services vs F5 Silverline Managed Services
Compared 17% of the time
Imperva Application Security Platform vs F5 Silverline Managed Services Logo
Imperva Application Security Platform vs F5 Silverline Managed Services
Compared 8% of the time
NSFOCUS Web Application Firewall vs F5 Silverline Managed Services Logo
NSFOCUS Web Application Firewall vs F5 Silverline Managed Services
Compared 7% of the time
Arbor DDoS vs F5 Silverline Managed Services Logo
Arbor DDoS vs F5 Silverline Managed Services
Compared 6% of the time
Akamai App and API Protector vs F5 Silverline Managed Services Logo
Akamai App and API Protector vs F5 Silverline Managed Services
Compared 5% of the time
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Product Reports

Buyer's Guide
Cloudflare
January 2026
Cloudflare reportDownload Cloudflare product report
Buyer's Guide
Cloudflare Web Application Firewall
January 2026
Cloudflare Web Application Firewall reportDownload Cloudflare Web Application Firewall product report
Buyer's Guide
F5 Silverline Managed Services
January 2026
F5 Silverline Managed Services reportDownload F5 Silverline Managed Services product report
 

Also Known As

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

Overview

Cloudflare enhances web performance and security with features like CDN caching and DDoS mitigation while providing easy DNS management and intuitive setup through its user-friendly dashboard.

Cloudflare is recognized for its comprehensive web security and performance solutions. Speed improvements are achieved through caching mechanisms and DDoS protection, combining ease of DNS management with flexible page rules. The robust analytics and threat insight tools provide valuable data, assisted by a user-friendly dashboard allowing quick setup and configuration. An API offers dynamic DNS settings ensuring low latency and high performance across the globe.

What are Cloudflare's key features?
  • CDN Caching: Enhances website speed through content delivery network caching.
  • Web Application Firewall: Protects websites from online threats.
  • DDoS Mitigation: Shields against distributed denial-of-service attacks.
  • DNS Management: Offers easy-to-use and flexible domain management.
  • SSL Certificates: Ensures secure connections between users and servers.
  • Analytics: Provides insights with robust analytics tools.
What benefits and ROI should users evaluate?
  • Enhanced Security: Strengthening web security with DDoS and firewall protection.
  • Speed Improvement: Faster content delivery with CDN caching.
  • Operational Simplicity: Simplifies website optimization through a user-friendly interface.
  • Scalable Solutions: Scales with global reach, lowering latency for improved performance.
  • Cost Efficiency: Offers layers of valuable functionality with pricing options.

Cloudflare finds utility across industries for DNS management and defense mechanisms. Its content delivery network assures fast content distribution and fortified security. Businesses integrate features like web application firewalls, load balancing, end-to-end SSL, and zero trust to protect websites from cyber threats while ensuring resilience and reliable performance.

Cloudflare

Cloudflare Web Application Firewall's intuitive dashboard enables users to build powerful rules through easy clicks and also provides Terraform integration. Every request to the WAF is inspected against the rule engine and the threat intelligence curated from protecting over 27 Million websites. Suspicious requests can be blocked, challenged or logged as per the needs of the user while legitimate requests are routed to the destination, agnostic of whether it lives on-premise or in the cloud. Analytics and Cloudflare Logs enable visibility into actionable metrics for the user.

Cloudflare

F5's Silverline Managed Services is a SaaS solution delivering DDoS protection, managed Web Application Firewall (WAF) services, and managed Shape Security Fraud and Anti-bot solutions.

Silverline services include 24x7 access to F5's Security Operations Center (SOC). F5's expert security professionals use F5 products with state-of-the-art security tools to ensure the best protection possible. As an add-on to Silverline DDoS or WAF services, Silverline Threat Intelligence integrates dynamic lists of threatening IP addresses to give context for policy decisions.

F5
 

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.
crunchbase, udacity, marketo, okcupid, zendesk
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Buyer's Guide
Cloudflare Web Application Firewall vs. F5 Silverline Managed Services
December 2025
Free Report: Cloudflare Web Application Firewall vs. F5 Silverline Managed Services
Find out what your peers are saying about Cloudflare Web Application Firewall vs. F5 Silverline Managed Services and other solutions. Updated: December 2025.
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