openwrt禁止非法用户上网
iptables -I INPUT -m mac --mac-source 5e:30:58:d0:8a:c9 -j DROP
iptables -I FORWARD -m mac --mac-source 5e:30:58:d0:8a:c9 -j DROP
iptables -I INPUT -m mac --mac-source 5e:30:58:d0:8a:c9 -j DROP
iptables -I FORWARD -m mac --mac-source 5e:30:58:d0:8a:c9 -j DROP