SSH登录安全与Fail2ban加固
SSH登录安全与Fail2ban加固 查看:SSH暴力破解/爆破次数 RedHat 和 CentOS 存储在 /var/log/secure 1.查看 root 用户登录成功的IP及次数看看是否有不熟悉的 IP 地址 grep "Accepted password for root" /var/log/secure | awk '{print $11}' | sort | uniq -c | sort -nr | more 2.查看尝试暴力破解 root 账户的IP及次数 grep "Failed password for root" /var/log/secure | awk '{print $11}' | sort | uniq -c | sort -nr | more 3.查看尝试暴力破解用户名的IP及次数 grep "Failed password for invalid user" /var/log/secure | awk '{print $13}' | sort | uniq -c | sort -nr | more Debian 和 Ubuntu 存储在 /var/log/auth....