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F5 Silverline Managed Services vs Fortinet FortiDDoS comparison

 

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

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) (21st)
Fortinet FortiDDoS
Ranking in Distributed Denial-of-Service (DDoS) Protection
12th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
15
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of F5 Silverline Managed Services is 1.6%, up from 1.6% compared to the previous year. The mindshare of Fortinet FortiDDoS is 2.4%, down from 2.9% 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 (%)
Fortinet FortiDDoS2.4%
F5 Silverline Managed Services1.6%
Other96.0%
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

RM
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.
MO
IT Analyst at Evapco, Inc.
Reliable protection and smooth setup enhance company security
Currently, I have two firewalls, with one located in Sorocaba, model 90D, and the other in São Paulo, model 30D. They are connected by VPN. I use the firewalls for VPN and final protection for my company, and my equipment is maintained by an internet company called Multiprox The equipment works…

Quotes from Members

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

Pros

"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."
"The initial setup is straightforward."
"The best advantage of F5 Silverline Managed Services is that it is easy to use."
"The most valuable feature of F5 Silverline Managed Services is it becomes similar to a distributed architecture."
"The stability of the solution is very good."
"The most valuable feature of F5 Silverline Managed Services is its cloud-native functionality and the high level of protection it provides."
"F5 technical support is really good."
"The product’s UI is easy to understand."
"Packet inspection has been effective for mitigating DDoS attacks."
"The product's initial setup phase was really easy."
"The equipment works very well, and I have not encountered any issues with it."
"The most valuable feature is the cloud DDoS scrubbing capability."
"Among its key features: Detects and mitigates DDoS attacks at L3 to L7; negligible to zero false-positives; Generates and sends reports without the need for an expensive third-party solution."
"We have researched them all, and it's a good solution all around."
"It allows me to see all the traffic on my network."
"I find the interface easy to use."
 

Cons

"The price of F5 Silverline Managed Services could be better."
"F5 Silverline Managed Services can improve by adding features that Palo Alto has."
"The navigation is difficult to use."
"Improvements could include the creation of highly optimized profiles, optimization deployments, and compression profiles for better performance."
"In terms of the scalability, this part is always so confusing because they are checking for packet count. Also, after an attack, they said that the throughput must be from gigabits but then I check my bandwidth and it is already done in gigabits. So it is a little bit confusing."
"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."
"You need to have Linux knowledge in order to use the shell."
"F5 Silverline Web Application Firewall, being a new product in the market or comparatively related to a new product, currently supports less number of PoPs. They should introduce more PoPs. The current number of PoPs that they have is around 10 or 12, which is still relatively less as compared to 2,400 plus PoPs that Akamai offers. The user latency or the number of hops a user needs before reaching the actual web application is less in Akamai because it has its internal fabric to route the traffic. They need to spin up more data to increase its traffic handling capability. They can also include the bot detection capability, though it is a pretty advanced functionality. If they could include DataDome like functionality, that is, bot prediction, then F5 Silverline Web Application Firewall will be top-notch in the market."
"The only thing they need to do is to automate it. Today, you must create tools that do not require the use of an expert or anyone with special skills."
"The challenge lies within the customer environment, particularly in Brazil, where companies have stringent security requirements for implementing solutions."
"The tool needs to focus more on the area of application traffic management, where it currently has some shortcomings."
"The solution can be a little more user-friendly and it can be more affordable."
"The main improvement would be to change the firewall model, however, currently, everything is fixed and working well."
"All the thresholds that need to be configured should be included in the default so that user will not forget or misconfigure."
"I find that there have been issues in the past year with the solution hanging. It freezes often."
"Alerts and reporting features must be improved."
 

Pricing and Cost Advice

"The product’s pricing is reasonable."
"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 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."
"It's quite pricey."
"The solution is reasonably priced."
"The product’s pricing needs improvement."
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Top Industries

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

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise2
Large Enterprise8
By reviewers
Company SizeCount
Small Business10
Large Enterprise6
 

Questions from the Community

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 have to look for other ADC's like F5, Imperva, Radware, Fortinet, etc.
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 very expensive, I would rate the pricing as three. It offers cost savings and i...
What needs improvement with F5 Silverline Managed Services?
Automating processes could enhance F5 Silverline Managed Services. For example, introducing preemptive support prompts would reduce the manual effort required for creating policies or blocking spec...
Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Arbor would be the best bid, apart from Arbor, Palo Alto and Fortinet have good solutions. As this is an ISP, I would prefer Arbor.
What do you like most about Fortinet FortiDDoS?
The product's initial setup phase was really easy.
What is your experience regarding pricing and costs for Fortinet FortiDDoS?
Fortinet FortiDDoS offers lower costs compared to other solutions. The licensing costs are annually renewed.
 

Also Known As

F5 Silverline Web Application Firewall, F5 Silverline DDoS Protection
Fortinet DDoS, FortiDDos
 

Overview

 

Sample Customers

City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Find out what your peers are saying about F5 Silverline Managed Services vs. Fortinet FortiDDoS and other solutions. Updated: December 2025.
881,114 professionals have used our research since 2012.