iptables -F eth1_chain iptables -X eth1_chain iptables -N eth1_chain iptables -A eth1_chain -s 192.168.0.190 -j ACCEPT iptables -A eth1_chain -p tcp --dport 80 -j ACCEPT; iptables -A eth1_chain -p tcp --dport 443 -j ACCEPT; iptables -A eth1_chain -j DROP iptables -A INPUT -i eth1 -j eth1_chain