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215 - nmap

nmap is a powerfull scanner available in Unix/Linux system. It’s very usefull for network exploration and security auditing.
It was designed to rapidly scan large networks, although it works fine againts single hosts.

Usage: nmap [Scan Type(s)] [Options] {target specification}

  • A representative Nmap scan
# nmap -A -T4 www.server.com
  • IP Scanning with range 192.168.0.1 - 192.168.0.200

# nmap -sP 192.168.0.1-200

# nmap -sP 192.168.0.1/24   (1-255)

 -sP : Ping Scan

  • TCP Port Scanning with range port 100 - port 139
# nmap 192.168.0.3 -p100-139

 

  • IP & Port Scan
# nmap -sS -O -p 3306 '192.168.10.59'

 -sS : SYN Stelth Scan
 -O : OS investigation Option

  • Scanning Operating system on target IP
# nmap -O 192.168.0.3

 

Linux:


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