# iptables -t nat -A PREROUTING -i eth0 -p tcp -m  tcp --dport 1:65535 -j REDIRECT --to-ports 4444


# iptables -t nat -A PREROUTING -i eth0 -p tcp -m tcp -m multiport --dports 1:21,23:79,81:65535 -j REDIRECT --to-ports 4444


# portspoof -c /path/to/portspoof.conf -s /path/to/portspoof_signatures -D