How To Install/test it
- download latest version here : 
	http://www.cultdeadsheep.org/sheepkiller/FreeBSD/patch-libalias/natd-libalias.tar.gz

- untar
  make

- Edit your natd.conf
	redirect_port proto <scheduling> IP:port[@weight,IP:port[@weight]] [IP:]port 
	ex :
	redirect_port proto wrr 192.168.0.1,80@2,192.168.0.2:80,192.168.0.3@5 10.0.0.1:80

- ./natd -f <your config file>

- Enjoy :)