mcedit /etc/rc.conf
gateway_enable="YES" ... firewall_enable="YES" firewall_script="/etc/ipfw.rules" natd_enable="YES" natd_interface="vmx0" natd_flags="-f /etc/natd.conf"
mcedit /etc/ipfw.rules
/sbin/ipfw -f -q flush ... /sbin/ipfw add 300 divert natd ip from any to any via vmx0 ... #/sbin/ipfw add 65534 allow ip from any to any
mcedit /etc/natd.conf
redirect_port tcp 192.168.44.116:3389 3389