操作系统 发布日期:2025/1/12 浏览次数:1
查看当天登陆未成功的IP
一条命令把这些IP全部封掉:
for i in `grep "$(date +"%b %d")" /var/log/secure | grep "Failed password" | awk '{print $(NF-3)}' | sort | uniq -c | sort -nr| awk '{print $2}'` ;do iptables -A INPUT -s $i -j DROP; done
效果: