Output

• Normal output: -oN <file>
• XML output: -oX <file>
• Grep output: -oG <file>
• Increase verbosity level: -v (use -vv or more for greater effect)
• Increase debugging level: -d (use -dd or more for greater effect)
• Display the reason a port is in a particular state: --reason
• Only show open ports: --open
• Show all packets sent and received: --packet-trace
• XSL stylesheet to transform XML output to HTML: --stylesheet <path/URL> (for example, –stylesheet nmap.xsl)