Странные решения в скрипте nmap для ssh

nmap -p 22 --script ssh-auth-methods localhost

nmap -p 30022 --script ssh-auth-methods localhost

portrule = shortport.ssh

portrule = function(host, port)
  if port.protocol == "tcp" and port.state == "open" then
          return true
  end
  return false
end

/usr/share/nmap/scripts/ssh-brute.nse:author = "Devin Bjelland"
/usr/share/nmap/scripts/ssh-brute.nse:portrule = shortport.ssh
/usr/share/nmap/scripts/ssh-publickey-acceptance.nse:author = "Devin Bjelland"
/usr/share/nmap/scripts/ssh-publickey-acceptance.nse:portrule = shortport.ssh
/usr/share/nmap/scripts/ssh-run.nse:author = "Devin Bjelland"
/usr/share/nmap/scripts/ssh-run.nse:portrule = shortport.ssh