nmap --script scriptname.nse targethost

nmap --script /path/to/scriptScriptname.nse targethost

nmap --script /path/userdefined NSE-script.nse scanme.nmap.org

nmap -sV --script exploit -d3 targethost

prerule = function()
return nmap.is_privileged() and
(stdnse.get_script_args("targets-sniffer.iface") or
nmap.get_interface())

postrule = function() return (nmap.registry.sshhostkey ~= nil) end

# nmap --script /path/http-vuln-check local targetlhost -p 22,80,443

local string = require "string"