    /sbin/iptables --table nat --new-chain PostroutingOutbound
    /sbin/iptables --table nat --append PostroutingOutbound \
	--source $OUTERNET -j ACCEPT
    /sbin/iptables --append PostroutingOutbound -t nat -j MASQUERADE
    /sbin/iptables --append POSTROUTING -t nat \
	--out-interface $OUTERIF -j PostroutingOutbound
