Debs said:

>         iptables -t nat -A PREROUTING -d $WAN_IP -p udp --dport 20 -j DNAT
> --to $PUBLIC:21
>         iptables -t nat -A PREROUTING -d $WAN_IP -p tcp --dport 20 -j DNAT
> --to $PUBLIC:21

redirecting port 20 to port 21?


> 
> BTW is udp necesarry..?

no.




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