#!/bin/bash #!/bin/bash   
  
case "$1" in  
  
start)   
        echo -n "Staring to write your Iptbales:..."  
  
        /sbin/iptables -F   
        /sbin/iptables -X   
        /sbin/iptables -Z   
        /sbin/iptables -A INPUT -i lo -j ACCEPT   
        /sbin/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT   
        /sbin/iptables -A INPUT -p icmp -m icmp --icmp-type 8 -j DROP   
        /sbin/iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT   
        /sbin/iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT   
        /sbin/iptables -A INPUT -p tcp -m tcp --dport 3306 -j ACCEPT   
        /sbin/iptables -P INPUT DROP   
        echo "OK"  
;;   
  
stop)   
        echo -n "Stop iptables...."  
  
        /sbin/iptables -P INPUT ACCEPT   
        /sbin/iptables -F   
        /sbin/iptables -X   
        /sbin/iptables -Z   
        echo "OK"  
;;   
  
*)   
        echo "Usage: $0  {start|stop}"  
;;   
  
esac