?️ AWS WAF Now Supports Automatic Application Layer (L7) DDoS Protection — Fast, Smart, and Hassle-Free

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? Real-Life Example


Imagine you run a web app on ALB or CloudFront. Suddenly, a botnet floods your /login endpoint with thousands of fake login requests per second.

Without this new feature:

You would’ve had to analyze logs, manually create WAF rules, and deploy mitigations — usually too late.

With this new update:

WAF automatically:

• Detects the traffic anomaly
• Applies CAPTCHA challenges or blocks malicious requests
• Keeps your service stable and available

? How It Works

• Baseline Learning: WAF observes your traffic and learns normal behavior patterns.
• Detection: If something spikes — like login abuse, slow POSTs, or odd User-Agents — it gets flagged.
• Mitigation: WAF applies auto-generated rules to block or challenge the traffic instantly.

All of this happens without any manual configuration — although you can still customize responses.

? Where You Can Use It


This protection works with:

• ? Amazon CloudFront
• Application Load Balancer (ALB)
• ? API Gateway, App Runner, AWS Cognito, and more

? Benefits You’ll Love

• Zero config to get started (just enable the managed rule group)
• ? ML-based detection means smarter responses
• Near-instant protection = less downtime
• ? Ideal for SREs and Cloud Security Engineers who need peace of mind

? TL;DR

AWS WAF now detects and blocks Layer 7 DDoS attacks automatically using machine learning — with zero disruption, no manual effort, and instant response. ?

? Are you already using AWS WAF in production? What types of attacks have you faced at L7?

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