为啥 gcloud 中的 sshd_config 是空的？

[v2byy]

我的 google cloud 的 /etc/ssh/sshd_config 文件是空的。

这种情况下如何改一些 ssh 的配置呢？

另外：我在 /var/log/meesages 里面看到这些信息：

Jan 14 07:57:48 instance-ss sshd[8664]: error: Could not get shadow information for NOUSER
Jan 14 07:57:48 instance-ss sshd[8664]: Failed password for invalid user das from 118.24.5.163 port 48758 ssh2
Jan 14 07:57:48 instance-ss sshd[8665]: Received disconnect from 118.24.5.163: 11: Bye Bye
Jan 14 07:59:45 instance-ss sshd[8684]: Invalid user noc from 165.227.63.250
Jan 14 07:59:45 instance-ss sshd[8685]: input_userauth_request: invalid user noc
Jan 14 07:59:45 instance-ss sshd[8684]: error: Could not get shadow information for NOUSER
Jan 14 07:59:45 instance-ss sshd[8684]: Failed password for invalid user noc from 165.227.63.250 port 45234 ssh2
Jan 14 07:59:46 instance-ss sshd[8685]: Received disconnect from 165.227.63.250: 11: Bye Bye
Jan 14 08:00:30 instance-ss sshd[8692]: Invalid user bob from 104.248.188.192
Jan 14 08:00:30 instance-ss sshd[8693]: input_userauth_request: invalid user bob
Jan 14 08:00:30 instance-ss sshd[8692]: error: Could not get shadow information for NOUSER
Jan 14 08:00:30 instance-ss sshd[8692]: Failed password for invalid user bob from 104.248.188.192 port 39710 ssh2
Jan 14 08:00:30 instance-ss sshd[8693]: Received disconnect from 104.248.188.192: 11: Bye Bye
Jan 14 08:01:17 instance-ss sshd[8713]: Invalid user egarcia from 118.24.100.25
Jan 14 08:01:17 instance-ss sshd[8714]: input_userauth_request: invalid user egarcia
Jan 14 08:01:17 instance-ss sshd[8713]: error: Could not get shadow information for NOUSER
Jan 14 08:01:17 instance-ss sshd[8713]: Failed password for invalid user egarcia from 118.24.100.25 port 33390 ssh2

是不是别人想 ssh 登陆啊？

[v2byy]

没人愿意解惑吗

[phy25]

用的什么系统？

[v2byy]

@phy25 #2 centos6.9 64 位