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Defend your endorsement nodes: Token-bucket rate limiting for Fabric.
Defend your endorsement nodes: Token-bucket rate limiting for Fabric.
Day 07 of the wFabricSecurity Open-Source Engineering Series.
ECDSA signature verification is computationally expensive. Flooding an endorsement node will bring it to its knees. wFabricSecurity defends your cluster with token-bucket rate limiting.
The Pain Points We Faced
A rogue or looping worker overwhelming endorsement peers with thousands of signature requests
Cryptographic CPU exhaustion fro...
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