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AWS WAF vs F5 BIG-IP Local Traffic Manager (LTM) vs Imperva DDoS comparison

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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:
 

ROI

Sentiment score
6.5
Cloudflare enhanced speed, security, and data protection, providing significant ROI and improved operations and client satisfaction for businesses.
Sentiment score
7.7
AWS WAF adds security, appreciated despite costs, by integrating with AWS to block attacks and protect investments effectively.
Sentiment score
7.1
F5 BIG-IP LTM offers strong ROI with 24/7 availability and security, though some note high costs and variable returns.
Sentiment score
6.3
Imperva DDoS ROI is complex, influenced by compliance, mitigation, cost savings, and service availability, enhancing financial efficiencies.
WordPress security can be tricky, and that's where Cloudflare can be absolutely helpful for small businesses.
For the small project I was working on, using the basic tier provided a huge improvement at zero cost.
The major return on investment is the security of our data.
They know how much money they are losing while the system is down, so by increasing the possibility of not having a down website or web application, return on investment can be calculated easily.
 

Customer Service

Sentiment score
7.0
Cloudflare's customer service is efficient for paying users, but responses can vary in speed and effectiveness for others.
Sentiment score
6.8
AWS WAF support is generally well-regarded but faces criticism for slow responses and limited flexibility, especially in lower tiers.
Sentiment score
6.7
F5 BIG-IP's customer service is praised for expertise and resources, though some experience delays and regional support issues.
Sentiment score
7.2
Imperva DDoS support receives mixed reviews but is praised for fast resolutions, 24/7 availability, and improved quality.
This would help us address issues promptly, especially during unforeseen events like DDoS attacks.
Cloudflare does not offer hands-on technical support to fix customer problems but rather a self-service model.
The key factor is the language in which the support is offered, which, in this case, is in Thai.
Resolving issues can take time because the support personnel may lack product expertise, leading to delays.
I would rate the technical support of F5 BIG-IP Local Traffic Manager (LTM) nine out of ten.
I would rate the technical support of Imperva DDoS as ten.
 

Scalability Issues

Sentiment score
8.1
Cloudflare is praised for seamless scalability, managing enterprise-level traffic efficiently and earning high customer satisfaction during peak events.
Sentiment score
7.9
AWS WAF is highly scalable, effectively handling diverse needs and traffic load, earning positive feedback across multiple sectors.
Sentiment score
7.4
F5 BIG-IP LTM is valued for scalability, flexibility, and adaptability, with configuration and licensing considerations for optimal deployment.
Sentiment score
7.9
Imperva DDoS efficiently scales in cloud environments, though licensing costs and transitions from on-premise can pose challenges.
It is a SaaS tool, but the fact that they have workloads deployed across the world proves that it is a highly scalable tool.
The tool offers very good performance, even during high-traffic periods.
I rate the solution’s scalability an eight out of ten.
99% of customers are using the cloud version of Imperva DDoS protection, so they just purchase the new license and scale as needed.
 

Stability Issues

Sentiment score
7.6
Cloudflare is widely regarded as stable and reliable, with improvements noted in uptime and performance on higher plans.
Sentiment score
8.4
AWS WAF is consistently praised for its stability, reliability, and strong performance, with high ratings for dependable service.
Sentiment score
8.0
F5 BIG-IP LTM is valued for stability, handling high loads well despite occasional bugs, making it preferred by organizations.
Sentiment score
7.8
Imperva DDoS is highly stable with few incidents, rated 8-9 for performance despite occasional cloud-related content delivery issues.
For DDoS protection, I would not recommend Cloudflare.
I rate the solution’s stability an eight out of ten.
The service is very stable with no impacts during high-traffic periods.
In terms of reliability, I would rate AWS WAF about six out of ten due to the need for improved signature sets.
The stability of Imperva DDoS is very good, as it seems they have a lot of servers around the world.
 

Room For Improvement

Cloudflare requires improvements in analytics, CDN speed, API, technical support, DNS management, documentation, pricing clarity, and international and reseller support.
AWS WAF needs better interface, automation, documentation, pricing, rules management, integration, threat detection, user support, and billing.
F5 BIG-IP LTM is expensive, complex, lacks flexibility, and needs better UI, reporting, support, cloud integration, and pricing.
Imperva DDoS needs interface improvements, reliable support, pricing transparency, enhanced features, and better global integration for reduced latency.
There's a need for improvement in areas like AI-based DDoS attacks and Layer 7 WAF features.
Despite these challenges, overall, Cloudflare remains the preferred solution compared to Azure, AWS CloudFront, and Google Cloud Armor.
Cloudflare should add more documentation and pricing to the cloud version.
Compared to firewalls, WAFs generally provide limited stateful analysis capabilities.
Features like bot protection or DDoS mitigation, available with other WAF vendors, do not come natively with AWS WAF.
Maybe Imperva DDoS could use endpoints to get information about the attacks before they commence from the endpoint level or establish cooperation with endpoint vendors to share this information.
 

Setup Cost

Cloudflare offers cost-effective, scalable plans with no setup fees, starting from free for small businesses to enterprise-level solutions.
AWS WAF's flexible and scalable pay-as-you-go pricing suits diverse needs, offering competitive rates compared to other vendors.
F5 BIG-IP LTM pricing is higher with complex licensing, but performance justifies the cost; AWS Marketplace is convenient yet costlier.
Enterprise users find Imperva DDoS competitive, with zero setup costs; prices range $200-$10,000/month, offering valuable protection.
That's where Cloudflare shines for smaller businesses – it's ten times cheaper than Akamai.
I find it to be cheap.
I think they should consider reevaluating the pricing for support, as it can be quite high.
Due to our status as an AWS shop, AWS WAF is cost-effective for us, and we benefit from discounts due to our extensive use of AWS services.
I would rate the pricing of Imperva DDoS as five, where one is very cheap and ten is very expensive.
 

Valuable Features

Cloudflare enhances security, speed, and SEO with easy-to-use features like CDN, SSL, DDoS protection, and centralized management.
AWS WAF offers scalable, user-friendly protection with advanced AI, DDoS defense, and seamless AWS integration at an affordable price.
F5 BIG-IP LTM provides traffic management, security, and customization with iRules, SSL offloading, and an intuitive interface.
Imperva DDoS provides robust, cloud-based security with ease of use, real-time monitoring, and comprehensive protection against attacks.
The most valuable features of the solution are performance and security.
Techniques like minification and image compression reduce the size of assets, leading to better performance and faster user load times.
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.
The cloud-native nature of AWS is crucial since most of our workload is in AWS, making AWS WAF native to Amazon Web Services.
AWS WAF is not stateful, it offers a time-saving solution with its custom rulesets that enhance security and simplify management.
One of the most beneficial features of F5 BIG-IP Local Traffic Manager (LTM) is its ability to identify compromised traffic and its capabilities in authentication.
I have utilized Imperva's Intelligent Traffic Filtering feature. This feature helps me understand how the attack is progressing and what is happening inside the requests to our website.
 

Mindshare comparison

Web Application Firewall (WAF)
Application Delivery Controllers (ADC)
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.
Kavin Kalaiarasu - PeerSpot reviewer
AWS's cloud-native security simplifies rule enforcement but needs better DDoS integration
The dashboarding could be improved, and the default metrics provided by AWS WAF could be upgraded. The rate at which AWS updates their managed rule sets could be better. Features like bot protection or DDoS mitigation, available with other WAF vendors, do not come natively with AWS WAF. Instead, they are part of AWS Shield. Providing DDoS protection as part of their WAF solution would be beneficial.
Bonieber  Orofeo - PeerSpot reviewer
Identifying compromised traffic and securing data has been a significant advantage
One of the most beneficial features of F5 BIG-IP Local Traffic Manager (LTM) is its ability to identify compromised traffic and its capabilities in authentication. Additionally, the security aspect of it provides a significant advantage as it helps us secure our data, which is a major investment and benefit for us. Before using this system, we had difficulties in storing our data and managing the traffic that comes in and out.
DerrickAkankwasa - PeerSpot reviewer
Provide DDoS protection and better security at effective rate
It is expanding its number of data centers for scrubbing traffic. Currently, there is only one POP for cleaning in South Africa. They might add another POP in North Africa, possibly in Nigeria or Egypt. Latency concerns customers, especially in regions like East and West Africa, where traffic has to travel to South Africa before returning. Increasing the number of POPs across the continent would help address these latency issues and improve overall service. While the platform is already quite strong, there’s always room for improvement, especially in keeping up with emerging trends and new types of attacks. Enhancing security capabilities could be beneficial. Integrating more advanced AI features could significantly improve its effectiveness and help customers leverage these tools more effectively. It would be great to see more focus on AI integration to handle and analyze data more efficiently.
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Comms Service Provider
11%
Financial Services Firm
9%
Manufacturing Company
7%
Computer Software Company
16%
Financial Services Firm
15%
Manufacturing Company
9%
Government
6%
Financial Services Firm
16%
Computer Software Company
12%
Government
8%
Manufacturing Company
7%
Computer Software Company
13%
Financial Services Firm
13%
Manufacturing Company
9%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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.
What are the limitations of AWS WAF vs alternative WAFs?
Hi Varun, I have had experienced with several WAF deployments and deep technical assessments of the following: 1. Im...
How does AWS WAF compare to Microsoft Azure Application Gateway?
Our organization ran comparison tests to determine whether Amazon’s Web Service Web Application Firewall or Microsoft...
What do you like most about AWS WAF?
The most valuable feature of AWS WAF is its highly configurable rules system.
What needs improvement with F5 BIG-IP?
The GUI of F5 BIG-IP Local Traffic Manager (LTM) could be improved. It's not something regarding how it processes or ...
What is your primary use case for F5 BIG-IP?
F5 BIG-IP Local Traffic Manager (LTM) is a perfect product for load balancing and WAF, and I would recommend it far m...
What do you like most about Imperva Incapsula?
We use Imperva DDoS to stop DDoS attacks and reduce the amount of unwanted queries against web services or web scraping.
What is your experience regarding pricing and costs for Imperva DDoS?
The pricing, setup costs, and licensing of Imperva DDoS are reasonable for the amount of technical capabilities provi...
What needs improvement with Imperva DDoS?
I would like to see improvements in the pooling of threats and attacks, possibly to enlarge the scale of indicators o...
 

Also Known As

Cloudflare DNS
AWS Web Application Firewall
F5 BIG-IP, BIG-IP LTM, F5 ASM, Viprion, F5 BIG-IP Virtual Edition , Crescendo Networks Application Delivery Controller, BIG IP
Imperva Incapsula
 

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.
eVitamins, 9Splay, Senao International
Riken, TransUnion, Tepco Systems Administration, Daejeon University, G&T Bank, Danamon, CyberAgent Inc.
Hitachi, BNZ, Bitstamp, Moz, InnoGames, BTCChina, Wix, LivePerson, Zillow and more.
Find out what your peers are saying about F5, Amazon Web Services (AWS), Microsoft and others in Web Application Firewall (WAF). Updated: August 2025.
865,829 professionals have used our research since 2012.