Cloudflare

flowtrackd: DDoS Protection with Unidirectional TCP Flow Tracking

Jul 14, 2020Omer Yoachimik
flowtrackd: DDoS Protection with Unidirectional TCP Flow Tracking
SummaryAI, from the source post

Introduced flowtrackd, a new software-defined DDoS protection system for Magic Transit that implements unidirectional TCP flow tracking. This system uses a state machine to analyze ingress traffic and determine whether to forward or drop TCP packets based on connection state, enabling mitigation of complex TCP-based DDoS attacks that were previously challenging due to the lack of bidirectional visibility. This complements existing stateless and bidirectional stateful mitigation methods.

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