Show HN: Go SYN Scanner – 21k Hosts in Under 1s(docs.serviceradar.cloud) We rewrote our TCP discovery workflow around raw sockets, TPACKET_V3 rings, cBPF filtering, and Go assembly for checksums. The blog post breaks down the architecture, kernel integrations, and performance lessons from turning an overnight connect()-based scan into a sub-second SYN sweep. |
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