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Barracuda Web Application Firewall 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
5.8
Barracuda Web Application Firewall provides positive ROI, enhanced security, reduced manual efforts, and peace of mind against attacks.
Sentiment score
6.1
F5 Silverline boosts security, efficiency, and revenue with global scalability, offering ROI up to 100% and enhanced website performance.
My development team is working on the latest language tools or applications, so until then, this web application firewall is essential in my network to protect my existing online assets or software.
Director Information Technology at College of Physicians & Surgeons Pakistan
We have seen a return on investment as the manual work for monitoring attacks and generating reports is reduced significantly, saving money.
Senior Security Systems Engineer at a tech services company with 11-50 employees
Our revenue has grown substantially after the introduction of F5 Silverline Managed Services.
Product Management Consultant at Mafoi Strategic Consultants
F5 Silverline Managed Services is a global solution we have used for one of our customers, providing high scalability and protecting all of our public assets in both low and high demand situations, which is very important for any customer with a global presence.
Dns architect at a outsourcing company with 5,001-10,000 employees
I have seen a return on investment in the time saved.
Cloud Support at a security firm with 51-200 employees
 

Customer Service

Sentiment score
6.4
Barracuda Web Application Firewall service is variable, with efficient higher-level support but regional delays and AWS integration issues.
Sentiment score
6.5
F5 Silverline's support is helpful and responsive but can encounter delays, with satisfaction depending on interaction and urgency.
I would rate customer support a solid ten, as they are consistently on top of every issue, addressing them without delays and providing excellent support twenty-four hours a day, seven days a week.
Senior Security Systems Engineer at a tech services company with 11-50 employees
The customer service and support from Barracuda have been excellent.
Technical Lead at cmsit services
The customer service and support are exceptional, and I would give them a ten out of ten.
Cyber Security Consultant at Axle iT
Anyone who comes on a call has deep knowledge of how this product works.
Dns architect at a outsourcing company with 5,001-10,000 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
 

Scalability Issues

Sentiment score
6.4
Barracuda Web Application Firewall is scalable, managing resources efficiently, though some users note room for improvement, especially with upgrades.
Sentiment score
7.3
F5 Silverline Managed Services is praised for its scalability, adaptability, and effective traffic management, meeting enterprise demands seamlessly.
The VMSS feature allows for easy upgrades or scaling of virtual editions.
Senior Security Systems Engineer at a tech services company with 11-50 employees
I believe Barracuda Web Application Firewall is quite scalable, and I would rate it as an eight.
Cyber Security Consultant at Axle iT
The scalability of F5 Silverline Managed Services is high, as it is a SaaS-based platform that can be scaled on demand according to our end customer's needs.
Dns architect at a outsourcing company with 5,001-10,000 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
 

Stability Issues

Sentiment score
7.8
Barracuda Web Application Firewall is generally stable but occasionally faces UI crashes and appliance failures affecting performance.
Sentiment score
7.6
F5 Silverline Managed Services is stable, reliable, with responsive support, despite occasional issues linked to maintenance activities.
These result in clients complaining about blocked transactions on a daily basis.
Technical Lead at cmsit services
Barracuda Web Application Firewall is stable in my experience.
Senior Security Systems Engineer at a tech services company with 11-50 employees
I have not seen anything suspicious with its accuracy or output.
Product Management Consultant at Mafoi Strategic Consultants
 

Room For Improvement

Barracuda Web Application Firewall needs UI updates, better integration, enhanced features, and improved support for multi-cloud environments.
F5 Silverline users desire lower costs, improved AI, and simplified processes alongside better automation, compliance, and intuitive interfaces.
Reducing false positives must be a priority.
Director Information Technology at College of Physicians & Surgeons Pakistan
The issues with false positives affect client transactions, leading to complaints about blocked transactions.
Technical Lead at cmsit services
Tenable provides more comprehensive dark web scanning capabilities, which Barracuda could improve upon.
Cyber Security Consultant at Axle iT
F5 Silverline Managed Services needs to adapt compliances related to India's DPDP.
Associate Vice President at Novac Technology Solutions
Localized support could enhance F5 Silverline Managed Services.
Cloud Support at a security firm with 51-200 employees
Radware provides straightforward blocking WAF and TPS, which are important features that are easier to implement.
Senior Security Consultant at kyndryl
 

Setup Cost

Barracuda Web Application Firewall offers competitive pricing for enterprises, though potentially pricey for smaller businesses; negotiation can assist.
F5 Silverline Managed Services pricing is variable and considered costly but justified by its quality and customizable options.
I requested a quote from Barracuda's UK team, which was half the price I was quoted in Pakistan.
Director Information Technology at College of Physicians & Surgeons Pakistan
The pricing for Barracuda is quite high compared to other OEMs.
Technical Lead at cmsit services
They are competitive when compared to other vendors including F5 and Imperva, who tend to have higher prices.
Senior Security Systems Engineer at a tech services company with 11-50 employees
In Indian currency, it is approximately 25 to 30 lakh.
Senior Security Consultant at kyndryl
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

Barracuda Web Application Firewall excels in bot management, DDoS defense, ease of use, integration, scalability, and robust support.
F5 Silverline provides 24/7 DDoS protection and WAF with real-time threat intelligence, enhancing web application performance and reliability.
The most valuable features of Barracuda Web Application Firewall include advanced bot protection, DDoS protection, and addressing the top ten vulnerabilities.
Technical Lead at cmsit services
This process protects against attacks including SQL injection or cross-site scripting, where Barracuda Web Application Firewall will block any request that matches attack signatures.
Senior Security Systems Engineer at a tech services company with 11-50 employees
The most valuable feature of Barracuda Web Application Firewall is managing bot traffic.
Cyber Security Consultant at Axle iT
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
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
F5 Silverline Managed Services has positively impacted my organization by drastically helping us during a major DDoS attempt or web scraping that was detected, where F5 handled the triage and mitigation entirely.
Lead Engineer at a renewables & environment company with 10,001+ employees
 

Categories and Ranking

Barracuda Web Application F...
Ranking in Web Application Firewall (WAF)
19th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
47
Ranking in other categories
No ranking in other categories
F5 Silverline Managed Services
Ranking in Web Application Firewall (WAF)
15th
Average Rating
8.2
Reviews Sentiment
6.6
Number of Reviews
21
Ranking in other categories
Distributed Denial-of-Service (DDoS) Protection (5th)
 

Mindshare comparison

As of October 2026, in the Web Application Firewall (WAF) category, the mindshare of Barracuda Web Application Firewall is 1.8%, down from 2.0% compared to the previous year. The mindshare of F5 Silverline Managed Services is 1.5%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF) Mindshare Distribution
ProductMindshare (%)
F5 Silverline Managed Services1.5%
Barracuda Web Application Firewall1.8%
Other96.7%
Web Application Firewall (WAF)
 

Featured Reviews

Shahzad Abid - PeerSpot reviewer
Director Information Technology at College of Physicians & Surgeons Pakistan
Has protected our legacy applications effectively but has required constant manual filtering due to false positives
I assess the effectiveness of the machine learning-driven threat detection in Barracuda Web Application Firewall as sometimes behaving abnormally, often showing me false positive attacks, so I have to fix these attacks from time to time. From a stability point of view, I would definitely rate Barracuda Web Application Firewall a seven out of ten. There is definitely some room for improvement; nothing is perfect in the world. I am not satisfied with the technical support from Barracuda. I am somewhat disappointed with the technical support that I have received so far. Whenever I generate a ticket for my problem, it goes to the Indian support team, and they all the time start with the most junior team member, consuming all my precious time. At the end, I have to close that ticket without any satisfactory solution. I have complained that they should shift my support to any other region because I don't need Indian support; they are simply pathetic and not up to mark. To improve Barracuda Web Application Firewall, customers should be given ongoing training opportunities regarding the product and its features. I am not familiar with many features that are available, only using those which are necessary for my applications. I believe Barracuda must provide clearer product information or training sessions to make it more user-friendly, as sometimes its interface can be rigid and lacking in helpful resources or user tutorials about its features. For it to get closer to a ten, I think advanced reporting is missing because, as I mentioned earlier, there are many false positive events being recorded. Often, when I analyze these attacks, they turn out to be genuine customers or users interacting with my product, but Barracuda tags them as attackers. Reducing false positives must be a priority.
Sanchit Makkar - PeerSpot reviewer
Dns architect at a outsourcing company with 5,001-10,000 employees
Robust protection has secured global web assets and keeps critical applications available
F5 Silverline Managed Services can be improved in areas with complex onboarding processes and slow deployment settings. Tuning of policy requires significant technical expertise, and there is a lack of knowledge in the F5 world where one needs to go through a steep learning curve in understanding what and how the policy should be configured for effectively protecting an application. These processes need to be streamlined.Knowing the limitations of F5 Silverline Managed Services, F5 has come out with a new product called F5 distributed cloud WAF platform, which has a better API integrated with security modules. It also offers advanced auto discovery, swagger, and open API validation, which is much better than Silverline.
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Outsourcing Company
10%
Manufacturing Company
9%
Comms Service Provider
6%
Financial Services Firm
14%
Outsourcing Company
9%
Construction Company
9%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business26
Midsize Enterprise8
Large Enterprise12
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise13
 

Questions from the Community

What is your primary use case for Barracuda Web Application Firewall?
My main use case for Barracuda Web Application Firewall is utilizing it in the areas of perimeter security, load balancing, and deploying it on the cloud, hybrid, and on-premises environments, whic...
What is your experience regarding pricing and costs for Barracuda Web Application Firewall?
The pricing, setup cost, and licensing for Barracuda Web Application Firewall are reasonable. They are competitive when compared to other vendors including F5 and Imperva, who tend to have higher p...
What needs improvement with Barracuda Web Application Firewall?
I think Barracuda Web Application Firewall can be improved by providing more information around data integrity control, which would be interesting to see.
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?
I was not involved in any discussions regarding pricing, setup costs, and licensing for F5 Silverline Managed Services.
What needs improvement with F5 Silverline Managed Services?
F5 Silverline Managed Services can be improved in areas with complex onboarding processes and slow deployment settings. Tuning of policy requires significant technical expertise, and there is a lac...
 

Also Known As

No data available
F5 Silverline Web Application Firewall, F5 Silverline DDoS Protection
 

Overview

 

Sample Customers

Oracle, CBS, Pioneer, Hyundai, Publix, Barnes Noble, Calzedonia, Nordstrom, Samsung, Nascar
City Bank, Ricacorp Properties, Miele, American Systems, Bangladesh Post Office
Find out what your peers are saying about Barracuda Web Application Firewall vs. F5 Silverline Managed Services and other solutions. Updated: September 2026.
917,433 professionals have used our research since 2012.