4815l1 Listing 1. Needs caption #!/bin/sh # first, declare our trusted path PATH=/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin export PATH # modify the following to point to your iptables binary: IPT=/usr/local/sbin/iptables echo 0 > /proc/sys/net/ipv4/ip_forward # some modules we'll want to install modprobe ip_tables modprobe ip_nat_ftp modprobe ip_conntrack_ftp