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Why Managing WAFs at Scale Requires Centralized Visibility and Configuration Management

Managing WAFs at scale

In F5’s The State of Application Strategy in 2022 report, 90% of IT decision makers reported that their organizations manage between 200 and 1,000 apps, up 31% from five years ago. In another survey by Enterprise Strategy Group about how Modern App Security Trends Drive WAAP Adoption (May 2022, available courtesy of F5), the majority of IT decision makers said application security has become more difficult over the past 2 years, with 72% using a WAF to protect their web applications. As organizations continue their digital transformation and web applications continue to proliferate, so too does the need for increased WAF protection. But as with most tools, the more WAFs you have, the harder they are to manage consistently and effectively.

The challenges of managing WAFs at scale include:

WAF management at scale means both security and application teams are involved in setup and maintenance. To effectively manage WAFs – and secure applications properly – they need proper tooling that combines holistic visibility into attacks and WAF performance with the ability to edit and publish configurations on a global scale. In this blog, we explore the benefits of centralized security visualization and configuration management for your WAF fleet.

Actionable Security Insights at Scale with Centralized WAF Visibility

To easily manage WAFs at scale and gain the insight needed to make informed decisions, you need a management plane that offers visibility across your WAF fleet from a single pane of glass. You can view information about top violations and attacks, false positives and negatives, apps under attack, and bad actors. You can discover how to tune your security policies based on attack graphs – including geo‑locations – and drill down into WAF event logs.

How NGINX Can Help: F5 NGINX Management Suite Security Monitoring

We are happy to announce the general availability of the Security Monitoring module in F5 NGINX Management Suite, the unified traffic management and security solution for your NGINX fleet which we introduced in August 2022. Security Monitoring is a visualization tool for F5 NGINX App Protect WAF that’s easy to use out of the box. It not only reduces the need for third‑party tools, but also delivers unique, curated insights into the protection of your apps and APIs. Your security, development, and Platform Ops teams gain the ability to analyze threats, view protection insights, and identify areas for policy tuning – making it easier for them to detect problems and quickly remediate issues.

Figure 1: The Security Monitoring main dashboard provides security teams overview visibility of all web attacks, bot attacks, threat intelligence, attack requests, and top attack geolocations, plus tabs for further detailed threat analysis and quick remediation of issues.

With the Security Monitoring module, you can:

Configuration Management for Your Entire NGINX App Protect WAF Fleet

While awareness and visibility are vital to identifying app attacks and vulnerabilities, they’re of little value if you can’t also act on the insights you gain by implementing WAF policies that detect and mitigate attacks automatically. The real value of a WAF is defined by the speed and ease with which you can create, deploy, and modify policies across your fleet of WAFs. Manual updates require vast amounts of time and accurate recordkeeping, leaving you more susceptible to attacks and vulnerabilities. And third‑party tools – while potentially effective – add unnecessary complexity.

A centralized management plane enables configuration management with the ability to update security policies and push them to one, several, or all your WAFs with a single press of a button. This method has two clear benefits:

How NGINX Can Help: F5 NGINX Management Suite Instance Manager – Configuration Management

You can now manage NGINX App Protect WAF at scale with the Instance Manager module in NGINX Management Suite. This enhancement gives you a centralized interface for creating, modifying, and publishing policies, attack signatures, and threat campaigns for NGINX App Protect WAF, resulting in more responsive protection against threats and handling of traffic surges.

Figure 2: Instance Manager enables security teams to create, modify, and publish policies to one, several, or an entire fleet of NGINX App Protect WAF instances. This image shows policies being selected for publication to a WAF instance group.

With the Instance Manager module, you can:

Take Control of Your WAF Security with NGINX Management Suite

To learn more, visit NGINX Management Suite and Instance Manager on our website or check out our documentation:

Ready to try NGINX Management Suite for managing your WAFs? Request your free 30-day trial.

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