标签:shell
#!/bin/bash
#by lijq
LOG=/var/log/secure
IPTABLE_FILE=/etc/sysconfig/iptables
LOG_IP=`grep "Failed password" /var/log/secure | awk ‘{print $11}‘ |uniq -c |awk ‘$1>4 {print $2}‘`
function add_iptables()
{ for i in $LOG_IP
do
IPTABLE_IP=`grep "$i" $IPTABLE_FILE`
if [ -z $IPTABLE_IP ];then
sed -i "/lo/a-A INPUT -s $i -m state --state NEW -m tcp -p tcp --dport 22 -j DROP" $IPTABLE_F
ILE;/etc/init.d/iptables restart;
if [ $? -eq 0 ];then
echo -e "\033[32mIt is success will the ip add this file..........\033[0m"
else
echo -e "\033[32mIt is failed add the ip,please check.............\033[0m"
fi
else
echo -e "\033[32mThis iptables restrictions is exist,.....\033[0m"
fi
done
}
if [ ! -z $LOG_IP ];then
add_iptables
else
echo -e "\033[32mIt is no this BAD ip to add .....\033[0m"
exit
fi本文出自 “毛毛鸭” 博客,请务必保留此出处http://woshitieren.blog.51cto.com/2466034/1681716
标签:shell
原文地址:http://woshitieren.blog.51cto.com/2466034/1681716