Op dinsdag 29 april 2003 09:23, schreef netfilter_user: > Hello everyone, > > this is my problem: > My LAN is connected to Internet via Linux machine with 2 interface ( > ppp0 - for internet and eth1 for local net). I need to connect from > local host, service that is running on port 23073 and 23083 UDP in > internet. For this i wrote afew rules with PREROUTING but when I start > script with rules below i receive: > > Bad argument `PREROUTING' > Try `iptables -h' or 'iptables --help' for more information. > Bad argument `PREROUTING' > Try `iptables -h' or 'iptables --help' for more information. > > > iptables -t nat -A PREROUTING -p udp -d 80.50.60.185 --dport 23073 -j DNAT > --to-destination 192.168.1.2 iptables -t nat -A PREROUTING -p udp -d > 80.50.60.185 --dport 23083 -j DNAT --to-destination 192.168.1.2 > > iptables -A FORWARD -p udp -d 192.168.1.2 --dport 23073 -j ACCEPT > iptables -A FORWARD -p udp -d 192.168.1.2 --dport 23083 -j ACCEPT > > What maybe a reason of this msg? > Im using slackware 8.1 with iptables 1.2.6a This behaviour is correct NATting is done on the POSTROUTING table !!!! Pascal (PC-Secure Dutch security service)
