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echo 1 > /proc/sys/net/ipv4/ip_forward
/sbin/modprobe ip_tables
/sbin/modprobe iptable_filter
/sbin/modprobe iptable_nat
/sbin/modprobe ip_conntrack
/sbin/modprobe ip_conntrack_ftp
/sbin/modprobe ip_nat_ftp
/sbin/iptables --flush INPUT
/sbin/iptables --flush FORWARD
/sbin/iptables --flush POSTROUTING --table  nat
#/sbin/iptables --policy FORWARD DROP
/sbin/iptables --policy FORWARD ACCEPT
/sbin/iptables INPUT DROP


iptables -t nat -A PREROUTING -p tcp -d 59.72.122.49 --dport 3389 -j DNAT --to 192.9.206.130:3389
iptables -t nat -A PREROUTING -p tcp -d 59.72.122.49 --dport 20 -j DNAT --to 192.9.206.130:20
iptables -t nat -A PREROUTING -p tcp -d 59.72.122.49 --dport 21 -j DNAT --to 192.9.206.130:21

/sbin/iptables --table nat --append POSTROUTING --out-interface eth0 --source 192.9.206.0/24 --jump MASQUERADE

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¿à±ÆÇཷһö

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