nmap 192.168.1.1
Scan a single IP
nmap 192.168.1.1 192.168.2.1
Scan specific IPs
nmap 192.168.1.1-254
Scan an IP range
nmap scanme.nmap.org
Scan a domain
nmap 192.168.1.0/24
Scan using CIDR notation
nmap -iL targets.txt
Scan targets from a file
“-iL”
nmap -iR 100
Scan 100 random hosts
“-iR”
nmap -exclude 192.168.1.1
Exclude listed hosts
“-exclude”
nmap 192.168.1.1 -sS
TCP SYN port scan (Default)
“-sS”
nmap 192.168.1.1 -sT
TCP connect port scan (Default without root privilege)
“-sT”
nmap 192.168.1.1 -sU
UDP port scan
-sU
nmap 192.168.1.1 -sA
TCP ACK port scan
-sA
nmap 192.168.1.1 -sW
TCP Window port scan
-sW
nmap 192.168.1.1 -sM
TCP Maimon port scan
-sM