In some email I received from Lucio De Re, sie wrote:
> OK, Darren, I give up :-)  How does IPFilter's FTP Proxy actually
> work?  My specific requirement is to have host 172.24.16.4 act as
> both FTP server and FTP client, I can get FTP service to work by
> providing NAT as
> 
> 	map ne0 196.30.44.140/32 port 21 -> 172.24.16.4/32 port 21 ...

Is that meant to be rdr, not map ?

map ne0 196.30.44.140/32 -> 0/32 proxy port ftp ftp/tcp

Darren