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#!/bin/bash #fix by leipore at 2014-12-18 ddos-autoprotection.sh touch /root/back_bad_ip.txt time=`date +"%Y-%m-%d %H:%M:%S"` ar=`wc -l /root/back_bad_ip.txt |awk ‘{print $1}‘` sleep 1 netstat -an |grep 80 |grep -v "STREAM"|awk ‘{print $5 }‘|sort | awk -F: ‘{print $1}‘|uniq -c |awk ‘$1 > 200 {print $1,$2}‘ > /root/bad_ip; cat /root/bad_ip |awk -vtime="$time" ‘{print time" | " $1" | "$2}‘ >>/root/back_bad_ip.txt ar2=`wc -l /root/back_bad_ip.txt |awk ‘{print $1}‘` for i in `awk ‘{print $2}‘ /root/bad_ip`;do if [ ‘$i‘ = " " ];then exit :q else iptables -I INPUT -s $i -j DROP fi done sum=$[$ar2 - $ar] if [ "$sum" -eq 0 ];then exit else /usr/lib/sendmail -f [email protected] [email protected] -s smtp.xx.cn -u "Subject:Report" -xu [email protected]-xp xxxxxx -m </root/back_bad_ip.txt fi |
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#!/bin/bash while [ 1 ] do sh /scripts/ddos-autoprotection.sh sleep 30 done |
nohup sh /scripts/ddos-check.sh & (开机启动）
弊端 ：
- 重复iptables 禁用 。
- 不写入iptables日常，也就是说 重启失效
- 需要重启iptables（可选）
- 代理跟代理下端的链接超过此限制也会被限制 例如 lo网卡 本地网卡 等
时间： 2024-10-14 19:30:22