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F5 Advanced WAF vs open-appsec comparison

 

Comparison Buyer's Guide

Executive Summary

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 Advanced WAF
Ranking in Web Application Firewall (WAF)
2nd
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
72
Ranking in other categories
No ranking in other categories
open-appsec
Ranking in Web Application Firewall (WAF)
34th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Web Application Firewall (WAF) category, the mindshare of F5 Advanced WAF is 7.8%, down from 10.3% compared to the previous year. The mindshare of open-appsec is 0.9%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Application Firewall (WAF) Market Share Distribution
ProductMarket Share (%)
F5 Advanced WAF7.8%
open-appsec0.9%
Other91.3%
Web Application Firewall (WAF)
 

Featured Reviews

Kallamuddin Ansari - PeerSpot reviewer
Cyber Security Consultant at ProTechmanize
Application security has protected critical banking services while policy learning minimizes false blocks
F5 Advanced WAF performs well overall, but I have noticed some points that could enhance the solution. Initially, policy tuning could be simpler, as while the learning engine is powerful, initial tuning still requires experienced engineers, which can be challenging for new teams due to the complexity of options and parameters. A more guided and simple tuning workflow would help reduce the learning curve. Additionally, tighter native integration with SIEM or SOAR tools would simplify correlation and investigations for security teams, although log exports are available. Overall, these are not blockers, merely enhancement opportunities, and once tuned, F5 Advanced WAF is very stable and reliable; improving usability, reporting, and onboarding would make it even more effective for larger environments.
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Computer Software Company
12%
Government
8%
Comms Service Provider
7%
Comms Service Provider
16%
Computer Software Company
12%
University
10%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business25
Midsize Enterprise15
Large Enterprise31
No data available
 

Questions from the Community

What do you like most about F5 Advanced WAF?
It's a fairly easy-to-use and user-friendly tool. My administrators and team also like its ability to customize the rules per the requirements.
What is your experience regarding pricing and costs for F5 Advanced WAF?
Regarding the price, I think the cost is a bit higher compared to others. Earlier we were using Radware, and compared to Radware, it is very high. However, it is providing more features than Radwar...
What needs improvement with F5 Advanced WAF?
In terms of additional features I would like to see from them in the future, I think the GTM is a bit complicated to configure, which I observed. Otherwise, LTM and WAF are straightforward. I faced...
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Overview

 

Sample Customers

MAXIMUS, Vivo, American Systems, Bangladesh Post Office, City Bank
Information Not Available
Find out what your peers are saying about Fortinet, F5, Amazon Web Services (AWS) and others in Web Application Firewall (WAF). Updated: January 2026.
880,490 professionals have used our research since 2012.