Scan TCP SYN (stealth)

Stealth SYN scan (requires root)

nmap -sS 192.168.1.1
tool
nmap15 commands
tags
nmapnetworksyn

More nmap commands

  • Scan all ports
    nmap -p- 192.168.1.1

    Scan all 65535 ports

  • Service version detection
    nmap -sV 192.168.1.1

    Probe open ports to determine service/version info

  • OS detection
    nmap -O 192.168.1.1

    Enable OS detection (requires root)

  • Aggressive scan
    nmap -A 192.168.1.1

    Enables OS detection, version detection, script scanning, and traceroute

  • Scan a subnet
    nmap 192.168.1.0/24

    Scan all hosts in a /24 subnet

all 15 nmap commands