force_dns() {
	# lanip=$(ifconfig br-lan |sed -n 's/.*dr:\(.*\) Bc.*/\1/p')
	lanip=$(uci get network.lan.ipaddr)
    iptables -t nat -A PREROUTING -s 0/0 -p udp --dport 53 -j DNAT --to $lanip
    iptables -t nat -A PREROUTING -s 0/0 -p tcp --dport 53 -j DNAT --to $lanip
}
force=$(uci get glconfig.general.force_dns)
if [ -n "$force" ]; then
    force_dns
fi