Nmap

Quick scan with all features, most common ports, log to all 3 output formats:

nmap -Pn -F -A -T4 -oA scan_results $TARGET

Thorough scan, internet speed.

nmap -Pn -p- -sV -T3 -sS -oA scan_results $TARGET

Companion Tools

• nmap-parse-output - Shell plugin to parse output from nmap.
• nmap-grep - Tool for parsing grepable nmap files.