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Which NMAP command will scan your local computer for open ports using a half open TCP scan?
nmap -PR 127.0.0.1
nmap -sS 127.0.0.1
nmap -sF -O localhost
nmap -sU 127.0.0.1
nmap -sT -O localhost
nmap -sn 127.0.0.1
-sT = TCP connect scan, -sn = no port scan, -sU = UDP scan, -sF = FIN SYN scan, -O = OS detection, -sS = TCP SYN scan - sends SYN packets also called a half open scan or stealth scan, -PR = ARP ping
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