Multiple choice

Which Nmap scan is does not completely open a TCP connection?

  1. SYN stealth scan

  2. TCP connect

  3. XMAS tree scan

  4. ACK scan
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A SYN stealth scan (half-open scan) sends a SYN packet to the target. If a SYN/ACK is received, the port is open, but the scanner sends an RST packet instead of completing the handshake, thus avoiding a full connection.

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