denyhosts/README.md

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# denyhosts
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ssh防止暴力破解,适用Debian 8、9、11 Centos 7
支持钉钉告警和邮件告警
支持第三方QQ邮箱告警
支持一次运行检测、后台运行检测
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```
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Debian系统请安装libcurl库和libiptc库
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apt install libip4tc-dev libcurl4-openssl-dev (或者libcurl4-gnutls-dev)
```
```
Centos 7系统请安装libcurl库和iptables-devel库
yum install iptables-devel libcurl-devel
```
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```
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cd /root
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git clone https://git.aixiao.me/aixiao/denyhosts
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cd denyhosts
make clean; make
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chmod a+x /root/denyhosts/denyhosts.sh
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crontab 定时任务,像这样.
0 22 * * * /root/denyhosts/denyhosts.sh
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```
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```
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Debian系统使用libiptc库需要nftables切换到iptables
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Switching to the legacy version:(切换到 iptables)
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update-alternatives --set iptables /usr/sbin/iptables-legacy
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
update-alternatives --set arptables /usr/sbin/arptables-legacy
update-alternatives --set ebtables /usr/sbin/ebtables-legacy
```
```
配置文件
global {
DAEMON = "off"; // on开启后台运行off不开启
TIME = "60"; // 睡眠时间单位秒大于等于1
REFUSE_NUMBER = 5; // 拒绝攻击次数大于等于1
IS_MAIL = 0; // 开启邮件告警0关闭1开启
IS_DING_WEBHOOK = 1; // 开启叮叮告警0关闭1开启
PHONE = "15565979082"; // @的人手机号
DING_WEBHOOK = "https://oapi.dingtalk.com/robot/send?access_token=7f069c672cb878987aa6772cca336740eece4ce36bde12b51b45e9f440e0565a"; // 钉钉WEBHOOK
IS_QQMAIL = 0; // 开启QQ邮箱告警0关闭1开启
RECV_MAIL = "1605227279"; // 接收者QQ
}
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```