Is ip_conntrack_ftp needed for 1:1 nat?

[Alexandru Dragoi]

Robert LeBlanc wrote:

>I have a gateway that is using iptables and I have several 1:1 NATs
>configured. I am having trouble establishing an ftp session to my remote
>server. The gateway has a virtual adapter with the public IP address and
>I have SNAT and DNAT configured to forward all ports to the host. What
>do I need to get this working? I keep getting refused ports errors.
>
>Thanks,
>Robert LeBlanc
>
>  
>
# modprobe ip_nat_ftp

You may also use iproute2 for nat, but it may not work.