> I would like to seek some help from expert regarding on port > forwarding and ftp. > i have setup the POSTROUTING and PREROUTING in iptables > config to forward packet to ftp server. Then i try ftp client > to access my ftp server. I successfully access my ftp server > but i have error message come out 502: ILLEGAL port command. > Anybody can help me how to solve this issue. Did you 'modprobe ip_conntrack_ftp' and 'modprobe ip_nat_ftp' ? Gr, Rob