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CDN77 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
7.1
Number of Reviews
76
Ranking in other categories
CDN (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (13th)
CDN77
Ranking in Distributed Denial-of-Service (DDoS) Protection
27th
Average Rating
10.0
Reviews Sentiment
7.0
Number of Reviews
3
Ranking in other categories
CDN (22nd)
F5 Silverline Managed Services
Ranking in Distributed Denial-of-Service (DDoS) Protection
14th
Average Rating
7.8
Reviews Sentiment
6.8
Number of Reviews
16
Ranking in other categories
Web Application Firewall (WAF) (23rd)
 

Mindshare comparison

As of August 2025, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 19.7%, up from 18.9% compared to the previous year. The mindshare of CDN77 is 0.7%, up from 0.5% compared to the previous year. The mindshare of F5 Silverline Managed Services is 1.3%, down from 2.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection
 

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.
it_user854160 - PeerSpot reviewer
Provides quick access to resources
We are a radio station who serves up music It has improved our organization by providing quick access to resources. CDN Speed  Data center availability around the world This product satisfies our company needs. No additional features are required as far as we are concerned. More than five…
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.

Quotes from Members

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

Pros

"It's very user-friendly."
"The solution provides good load balancing and protection against DDoS attacks."
"New and innovative way to protect the client's data."
"The UI is good."
"The tool is user-friendly."
"Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications."
"Its most significant benefit to date is the speed with which it refreshes DNS records on the internet once you change it. If you are changing a website or registering a new record, it is very quick."
"Generally, I am satisfied with this product."
"​Purge pages: It is a fast solution for updating my content from all datacenters."
"It is extremely easy to set up and integrate with WordPress and purge files as needed through the control panel."
"The control panel is nicely laid out and I do not have to hunt for functionality."
"It has helped improve load speed on the site."
"It has improved our organization by providing quick access to resources."
"I selected CDN77 because it has servers where our different target markets are (some are in Asia)."
"F5 technical support is really good."
"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."
"It's a good front end for public infrastructure"
"The most valuable features are the configuration and configuring the process."
"The most valuable feature is flexibility."
"The best advantage of F5 Silverline Managed Services is that it is easy to use."
"The product’s UI is easy to understand."
"The most valuable feature of F5 Silverline Managed Services is it becomes similar to a distributed architecture."
 

Cons

"We are a product integrator and reseller, and we would like to have a better partner relationship, similar to a channel sales relationship. Sometimes we are on our own or get diverted by Cloudflare because they have direct sales, which competes with us and makes it difficult to build a relationship with this company since we want to be an MSP or a managed service provider for the solution."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"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."
"It should confirm audit findings of the assigned area with auditees to ensure that the audit conclusions are based on an accurate understanding of the issues."
"They lack a good way to manage DNS as a company, since everything is relegated to single account logins until you get to the higher levels. They have come out with a paid feature to remedy this, but I have not had a chance to fully review it yet to know if it fixes the access problem."
"The solution could use more analytics on the backend to give us more insights into everything. More reports would be helpful."
"Technical support is not well developed. While there are good engineers, Cloudflare does not offer hands-on technical support to fix customer problems but rather a self-service model."
"Cloudflare does not have an on-premise solution. If they had different approaches they could be better suited to accommodate more customers, such as on-premise and hybrid deployments. For example, hybrid deployments would be useful where you could move the traffic from the enterprise to the cloud."
"A year ago, I had to deal with SEO factors involving duplication of content."
"If you are a low-use user and not used the minimum credit, it will be lost at end of year unless you upgrade, then you are left with more bandwidth than you can ever use."
"The price of F5 Silverline Managed Services could be better."
"Improvements could include the creation of highly optimized profiles, optimization deployments, and compression profiles for better performance."
"There is room for improvement in the stability of the solution."
"The navigation is difficult to use."
"You need to have Linux knowledge in order to use the shell."
"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."
"F5 Silverline Managed Services can improve by reducing the price."
"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."
 

Pricing and Cost Advice

"I give the price a five out of ten."
"A free version of the solution is available."
"We are using the free version."
"That is one of the great features. I was able to access the majority of the features and services for free."
"The tool is a premium product, so it is very expensive."
"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."
"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."
"We don't have any issues with the price."
"For low-use users, it can be more expensive than it seems. It would be a disadvantage for a lot of hobby users."
"I would suggest low usage cases that there are other options available, such as WordPress's own CDN."
"Regarding the pricing, it is expensive. It may not suit others. I suggest a lower recharge level and also to remove the credit expiry time​."
"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 product’s pricing is reasonable."
"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 of F5 Silverline Managed Services could be reduced."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
11%
Financial Services Firm
9%
Manufacturing Company
7%
No data available
Financial Services Firm
18%
Insurance Company
14%
Comms Service Provider
13%
Computer Software Company
11%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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.
Ask a question
Earn 20 points
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...
 

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.
Hubble Space Telescope & European Southern Observatory, Oracle, Scania, CentOS, bet-at-home.com, Playrix, Epom Ad Server
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Find out what your peers are saying about CDN77 vs. F5 Silverline Managed Services and other solutions. Updated: July 2025.
865,384 professionals have used our research since 2012.