F5 Distributed Cloud WAF (Web Application Firewall) vs. Imperva Web Application Firewall (WAF)

It is doing its job effectively, and its scalability is superb. So, if you have a mixed environment with cloud and on-premise systems to protect this product, provide a solution to the challenge. However, its management is more suited to DevOps teams rather than to the ones responsible for on-premise systems, making the management a bit more complex.

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I recommend Imperva specially if you have a big environment with thousand of websites because of its ease to use and availability. Imperva delivers a reliable solution with great capability to contain cyber attacks and even fraud preventions in some cases. The only scenario it's less appropriate is if your focus is anti fraud instead of a solution to block cyber attacks.

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• Layer seven attacks are becoming far more common. Traditionally it was always layered three, layer four, where you get an additional firewall, but with the application layer attacks become more frequent, more popular, et cetera. So having the web application firewall protecting us, and then with the recent Log4j, that's the most recent use case when it gave us that instant level of protection whilst we remediated the Log4j that we had that and the F5 Distributed Cloud WAF was protecting us.
• I have a great relationship with the account manager, my account manager, and I think he drives the best price possible, um, for me, and I'm happy with that price.
• F5 Distributed Cloud WAF is always innovating and evolving.
• We run a very competitive proof value where we run numerous competitors against each other, and then we evaluate from that and then make the selection, and F5 Distributed Cloud WAF was the winner.

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• Block some dynamic attacks such as SQL injection.
• Block unfriendly accesses based on geographic source.
• Helps us implement SSL in cases where the original server can't (yet).

• Lack of warnings, currently the console does not provide a warning when deleting key-value entry.
• The web GUI could use some tweaking, currently no undo option when removing exclusion rules.
• Configuration complexity, currently menus and options are hidden, making it hard to configure vs on prem.

• Attack Correlation Validation - This specific policy produces a lot of false positives as well as the SQL injection policies. Of course it is difficult to tell what a legitimate query is on a public facing web app.
• Profiling - I tend to spend more time than any other feature tuning the Web App Profiles. Plugins are used to help cope with this, but on extremely large web apps we are forced to turn off the profiling feature.

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We gave it an 8 because it protects our web apps well and is reliable. The WAF is flexible and meets most of our needs. It could improve in user interface and make integrations easier, but overall, it’s a solid and effective security tool for us.

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I believe is a solution that was designed from the start to be simple and easy to use. Coming from Imperva, it simply eased the burden and complexity of managing and securing our apps on different environments (cloud and on-prem). It easy to scale and very quick to deploy (as a cloud waf should be), provide us with DevOps integrations, visibility and automatic insights from multiple events that guarantee peace of mind for us analysts and opp managers.

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It's easy and works great. The onboarding process, although easy, can sometimes take too long for SSL and domain validation, but its not a big deal.

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Seems no issue

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Unnoticed slowness

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I never contacted support for this product.

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We haven't needed support from Imperva since implementation. But during that time, their personnel were very quick to respond to questions. Since then, it's been largely doing its thing for us (which is exactly what we'd hoped).

Online training saves me lots of time

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Just make sure you origin servers have F5 IPs allowed.

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The other one that I've used in the past, they're very similar and I haven't used it recently, so I can't do a side-by-side comparison today. But I can say that F5 does everything we want it to do consistent with what this other product did do and it's got enhanced features and of course we have a long history with F5 as a product set in general.

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I believe there's no comparison as Imperva is a much more reliable and powerfull WAF. AWS WAF lacks of several features Imperva have and is not that simple to configure neither have a clean web console. I consider Imperva WAF a whole superior level of cyber security solution and it's consider to be one of the leader in this segment.

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Dont see any issue so far

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• The biggest gain for us was speed. Before F5 Distributed Cloud WAF, onboarding a new app to our WAF stack meant manual rule tuning, traffic sampling and regression testing. Right now, we spin up a service, tag it with the right policy and its ready (production ready) within hours

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• Meet compliance requirements - Check.
• Better Insight into web application - Absolutely great, checks all the traffic against RFC standards and will alert on common development mistakes that duplicate application traffic or provide attack vectors for potential attackers.
• Have had several issues blocking a customer without producing alerts, while it happened only one week out of 2 years of working with the devices, it did produce a lot of headaches.

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