CC攻击防御脚本
cat>>/home/cc.sh<#!/bin/sh
status=`netstat -na|awk '$5 ~ /[0-9]+:[0-9]+/ {print $5}' |awk -F ":" -- '{print $1}' |sort -n|uniq -c |sort -n|tail -n 1`
NUM=`echo $status|awk '{print $1}'`
IP=`echo $status|awk '{print $2}'`
result=`echo "$NUM > 150" | bc`
if [ $result = 1 ]
then
echo IP\:$IP is over $NUM, BAN IT!
echo $(date +"%y-%m-%d") `uptime`
/sbin/iptables -I INPUT -s $IP -j DROP
fi
EOF
ln -sf /usr/bin/apt-get /usr/bin/yum
yum install -y bc
执行/home/cc.sh即可! 也可以将执行脚本加入到Cron执行!
转载:http://www.jb4.net/archives/74.html