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 $i -j DROP; done
效果:
查看当天登陆未成功的IP
一条命令把这些IP全部封掉:
for i in `grep "$(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:
悠久资源 RedHat/Centos CentOS下iptables封IP的命令讲解 https://www.u-9.cn/system/redhatcentos/83570.html