iptables -A INPUT -p tcp -i eth0 --tcp-flags ACK,SYN,FIN,RST,URG,PSH RST -j DROP if you are using above iptable rule then this will stop breaking of the the connection, like if you make a ssh connection then this will not break connection. So use a IDS (Intrusion Detection System) like Snort. And that refreshing of the page can lead to fill backlog memory area. -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html