Unverified50% confidenceSolutionExact time
SYN Cookie technology does not allocate memory for half-open connections; instead, it encodes connection state information into the sequence number of the SYN-ACK packet, allocating resources only upon receipt of a legitimate ACK reply, thereby achieving stateless connection verification.
1
Sources
50%
Confidence
Long-term
Relevance
8/8/2026
First Seen
Sources
挪威政府IT基础设施遭DDoS攻击：事件解析与防御启示
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