Cloudflare防火墙自动屏蔽IP到和自动5秒盾脚本防CC攻击

#/bin/bash
#日志文件，你需要改成你自己的路径
logfile=/data/wwwlogs/
last_minutes=1 
#开始时间1分钟之前（这里可以修改,如果要几分钟之内攻击次数多少次，这里可以自定义）
start_time= date +"%Y-%m-%d %H:%M:%S" -d '-1 minutes'
echo $start_time
#结束时间现在
stop_time=`date +"%Y-%m-%d %H:%M:%S"`
echo $stop_time
cur_date="`date +%Y-%m-%d`" 
echo $cur_date
#过滤出单位之间内的日志并统计最高ip数，请替换为你的日志路径
tac $logfile/sky.ucblog.net_nginx.log | awk -v st="$start_time" -v et="$stop_time" '{t=substr($2,RSTART+14,21);if(t>=st && t<=et) {print $0}}' | awk '{print $1}' | sort | uniq -c | sort -nr > $logfile/log_ip_top10
ip_top=`cat $logfile/log_ip_top10 | head -1 | awk '{print $1}'`
ip=`cat $logfile/log_ip_top10 | awk '{if($1>2)print $2}'`
# 单位时间[1分钟]内单ip访问次数超过2次的ip记录入black.txt,这里wzfou.com为了测试设置了2，你需要改成其它的数字
for line in $ip
do
echo $line >> $logfile/black.txt
echo $line
# 这里还可以执行CF的API来提交数据到CF防火墙
done

#!/bin/bash
# Author: XOO
# Date : 2019
# 填Cloudflare Email邮箱
CFEMAIL="[email protected]"
# 填Cloudflare API key
CFAPIKEY="xxxxxxxxxxxxxxxx"
# 填Cloudflare Zones ID 域名对应的ID
ZONESID="xxxxxxxxxxxxxxxxxxxx"
# /data/wwwlogs/black.txt存放恶意攻击的IP列表
# IP一行一个。
IPADDR=$(</data/wwwlogs/black.txt)
# 循环提交 IPs 到 Cloudflare 防火墙黑名单
# 模式（mode）有 block, challenge, whitelist, js_challenge
for IPADDR in ${IPADDR[@]}; do
echo $IPADDR
curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONESID/firewall/access_rules/rules" \
-H "X-Auth-Email: $CFEMAIL" \
-H "X-Auth-Key: $CFAPIKEY" \
-H "Content-Type: application/json" \
--data '{"mode":"block","configuration":{"target":"ip","value":"'$IPADDR'"},"notes":"CC Attatch"}'
done
# 删除 IPs 文件收拾干净
rm -rf /data/wwwlogs/black.txt

chmod +x /root/CF.sh
./CF.sh

#下载
cd /root && git clone https://github.com/Machou/Cloudflare-Block.git DDoS
#打开Cloudflare.sh，修改配置
API_KEY You're Global API Key (https://dash.cloudflare.com/profile)
MAIL_ACCOUNT Email of your Cloudflare account
DOMAIN Zone ID (https://dash.cloudflare.com/_zone-id_/domain.com)
#设置定时任务
crontab -e
*/1 * * * * /root/DDoS/Cloudflare.sh 0 # check every 1 minute if protection is not enabled
*/20 * * * * /root/DDoS/Cloudflare.sh 1 # check every 20 minutes if protection is enabled

#!/bin/bash
# $1 = 1min, $2 = 5min, $3 = 15min
loadavg=$(cat /proc/loadavg|awk '{printf "%f", $1}')
# load is 10, you can modify this if you want load more than 10
maxload=10
# Configuration API Cloudflare
# You're Global API Key (https://dash.cloudflare.com/profile)
api_key=
# Email of your account Cloudflare
email=
# Zone ID (https://dash.cloudflare.com/_zone-id_/domain.com)
zone_id= 
# create file attacking if doesn't exist
if [ ! -e $attacking ]; then
echo 0 > $attacking
fi
attacking=./attacking
hasattack=$(cat $attacking)
if [ $(echo "$loadavg > $maxload"|bc) -eq 1 ]; then
if [[ $hasattack = 0 && $1 = 0 ]]; then
# Active protection
echo 1 > $attacking
curl -s -X PATCH "https://api.cloudflare.com/client/v4/zones/$zone_id/settings/security_level" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--data '{"value":"under_attack"}'
fi
else
if [[ $hasattack = 1 && $1 = 1 ]]; then
# Disable Protection
echo 0 > $attacking
curl -s -X PATCH "https://api.cloudflare.com/client/v4/zones/$zone_id/settings/security_level" \
-H "X-Auth-Email: $email" \
-H "X-Auth-Key: $api_key" \
-H "Content-Type: application/json" \
--data '{"value":"high"}'
fi
fi
exit 0