Dev Tools · 1h ago
AWS WAF and CloudFront KVS Enable App-to-Edge Bot Blocking
This article details a feedback loop where an application detects malicious behavior and updates AWS WAF and CloudFront KeyValueStore to block future requests at the edge. The architecture uses JA4 fingerprinting and dynamic label interpolation to identify and stop bots. A production note suggests using a separate batch process for KVS updates instead of direct application writes.
Meridian48 take
The approach is sound but the direct application-to-KVS update pattern may introduce latency and coupling issues in production.
Read the full reporting
Detect in the Application, Block at the Edge: A Feedback Loop with AWS WAF and CloudFront KVS →
DEV Community
aws-wafbot-mitigation