iptables -t nat -I PREROUTING -i wlan0 -m tcp -p tcp -d www.facebook.com --dport 443 -j DROP
iptables -F iptables -A INPUT -j REJECT iptables -A OUTPUT -j REJECT iptables -A FORWARD -j REJECT
iptables -A INPUT -i wlan0 -s 192.168.0.0/16 -j DROP