TCP Half Open Scan

nounverified·updated May 18, 2026

TCP Half Open scans work by performing the first half of a three-way handshake to determine if a port is open.

Framework senses

2 senses across 2 frameworks

SANS Glossary of Security Terms1 senseview framework →

§1: TCP Half Open scans work by performing the first half of a three-way handshake to determine if a port is open.

Legacy lexicon import1 senseview framework →

§1 · legacy_primary: TCP Half Open scans work by performing the first half of a three-way handshake to determine if a port is open.
DR-088 backfill from the noun definition column