Nmap Basic Port Scans

The Room: “Learn in-depth how nmap TCP connect scan, TCP SYN port scan, and UDP port scan work.” https://tryhackme.com/room/nmap02 Task 2: TCP and UDP Ports 2.1. Which service uses UDP port 53 by default? DNS 2.2. Which service uses TCP port 22 by default? SSH 2.3. How many port states does Nmap consider? 6 2.4. …