I am trying to redirect the traffic that normally go to 64.233.167.99:80 at localhost:5555 echo 1 > /proc/sys/net/ipv4/ip_forward iptables --policy FORWARD ACCEPT iptables -t nat -A PREROUTING -p tcp -d 64.233.167.99 --dport 80 -j REDIRECT --to-ports 5555 If I try with: nc -vv -l -p 5555 and nc -vv 64.233.167.99 80 the connexion is not redirected where could be the problem? thanks