Nmap Cheat Sheet — Essential Commands for Hackers

Nmap Command Cheat Sheet

Basic Scans

• nmap target — Scan top 1000 ports
• nmap -p 1-65535 target — Scan ALL ports
• nmap -sV target — Version detection
• nmap -O target — OS detection
• nmap -A target — Aggressive scan (everything)

Stealth Scans

• nmap -sS target — SYN scan (half-open)
• nmap -sN target — NULL scan
• nmap -f target — Fragment packets

NSE Scripts

• nmap --script vuln target — Run vulnerability scripts
• nmap --script http-enum target — Enumerate web directories

Network Scanning

• nmap 192.168.1.0/24 — Scan entire subnet
• nmap -sn 192.168.1.0/24 — Ping sweep (host discovery)

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