linux禁止某个IP访问本机

linux禁止某个IP访问本机

 

#!/bin/bash

 

if [ $# -ne 1 ];then

        echo "usage : $0 ip "

        exit 0

fi  www.2cto.com  

DENY_IP="$1"

iptables -I INPUT -s $DENY_IP -j DROP

if [ $? -eq 0 ];then

        echo "$DENY_IP" >> deny_ip_list

fi

/etc/rc.d/init.d/iptables save

~