DEV Community

Aleksei Aleinikov
Aleksei Aleinikov

Posted on

πŸ›‘οΈ Cloud Armor WAF in 2025: API Protection That Actually Understands Your App

Prebuilt WAF rules are great β€” until they flag every JSON payload and block harmless users.

In this 3-min guide:

  • βœ… How to use evaluatePreconfiguredWaf() with precision
  • 🧠 Tune sensitivity, mute noisy signatures, exclude headers
  • 🧬 Enable JSON parsing for GraphQL & large payloads
  • πŸ” Flip on preview, test, adjust, then enforce
  • πŸ“ˆ Real-world wins from marketplaces, video apps, and fintech APIs

🎯 Plus: advanced tricks like composite rate-limiting keys & reCAPTCHA defense.

πŸ“Ž Read the full guide: https://medium.com/google-cloud/secure-your-apis-in-2025-with-cloud-armors-ready-made-waf-filters-398dfad996eb

Top comments (0)