Nmap for newbies
Agressive scan (not recomended / extremely noisy)
nmap -A scanme.nmap.org
Service Version
nmap -sV scanme.nmap.org
Fast Scan, first 100 ports
nmap -F scanme.nmap.org
Show open ports
nmap --open scanme.nmap.org
Text file as a source of IP
each ip is in new line
echo "192.168.0.101" >> ip_list.txt
echo "192.168.0.102" >> ip_list.txt
nmap -iL ip_list.txt
Scan random host, port 80
nmap -iR 20 -p80
Specify ports
nmap -p 80 scaneme.nmap.org
nmap -p T:80 scaneme.nmap.org
nmap -p T:80,U:161 scaneme.nmap.org
Script - banner
nmap -sV --script banner scanme.nmap.org
Script - dns-brute
nmap -p 80 --script dns-brute.nse nmap.or
script=mysql-enum
nmap --script=mysql-enum 192.168.0.100
NSE Scripts
Reference