NMAP Command in Linux

nmap command: Scanning network for open ports

nmap port scanning

nmap -v -sT IP/Range Of IP

nmap TCP SYN scanning

nmap -v -sS IP/Range of IP

nmap TCP FIN scanning

nmap -v -sF IP/Range of IP

nmap TCP Xmas tree scanning

nmap -v -sX IP/Range of IP

nmap TCP Null scanning

nmap -v -sN IP/Range of IP

nmap TCP RPC scanning

nmap -v -sR IP/Range of IP

nmap UDP scanning

nmap -v -O IP/Range of IP

nmap remote software version scanning

nmap -v -sV IP/Range of IP