Mohamed Eldesoky wrote: >I do >But it doesn't work when doing ftp host 45 then do ls >it hangs there !! Hi, Don't forget you also need to add the ports for the nat helper: modprobe ip_nat_ftp ports=21,45 (If ip_nat_ftp is already loaded, you need to rmmod the module first and then load it again - same thing with ip_conntrack_ftp if you change a kernel module parameter) Regards, Filip