Hello all, My networck config: Internet -> linux box -> My PC(192.168.50.101) linux box eth0 local 192.168.50.0/24 eth1 Internet my iptables config: iptables -P FORWARD DROP iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 4662 -j DNAT --to 192.168.50.101 iptables -I FORWARD -d 192.168.50.101 -p tcp --dport 4662 -j ACCEPT iptables -I FORWARD -i eth1 -o eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -I FORWARD -s 192.168.50.101 -j ACCEPT iptables -t nat -I POSTROUTING -o eth1 -j MASQUERADE why I'm receiving on my PC packages with external ip on 4690,4544,4581.. ports??? -- Best regards, Radu mailto:radu@xxxxxxxxxx