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sshd_config文件中的“无密码”是什么意思?
我刚刚在服务器上安装了Ubuntu 14.04,当我在sshd_config文件中遇到此配置文件时,我正在设置所有配置文件: # Authentication: LoginGraceTime 120 PermitRootLogin without-password StrictModes yes 这让我非常担心。我认为有人可能以root用户身份登录我的服务器而没有密码。 我尝试通过以下方式以root用户身份连接到服务器: johns-mbp:~ john$ ssh root@192.168.1.48 The authenticity of host '192.168.1.48 (192.168.1.48)' can't be established. RSA key fingerprint is 40:7e:28:f1:a8:36:28:da:eb:6f:d2:d0:3f:4b:4b:fe. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.1.48' (RSA) to the list of known …