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ssh服务攻防与加固
2022-08-11 05:36:00 【shatianyzg】
ssh 协议攻防与加固
1.用nmap 扫描靶机的ssh增,将端口状态信息提交
Flag{open}
2.禁用 root 用户登录,将配置语句作为flag提交
Flag{PermitRootLogin no}
3.创建一个用户名为exampleroot,作为替代root登录用, 将该新创建的用户添加到管理员组。
或
4.禁止使用空白密码的用户访问
5.修改 ssh 的登录端口号位为2222,并重新登录成功界面截图
6.通过指定允许的密码尝试次数3,防止暴力破解
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