用 gogs 自己搭建了一个 git 私服，不知道是不是被人攻击了，有大佬帮忙看看吗？

跟小伙伴们开了一个项目，然后自己在腾讯云上使用docker搭建了一个gogs私服，用了有一个礼拜了，开始没啥大问题，然后今天我朋友说登陆很慢，不知道是不是他的网络问题，我还是去看了一下日志，发现如下：

Dec 30 03:45:23 sshd[61]: Invalid user xieguomin from 194.163.132.190 port 55818
Dec 30 03:45:24 sshd[61]: Received disconnect from 194.163.132.190 port 55818:11: Normal Shutdown, Thank you for playing [preauth]
Dec 30 03:45:24 sshd[61]: Disconnected from invalid user xieguomin 194.163.132.190 port 55818 [preauth]
Dec 30 03:45:30 sshd[63]: User root not allowed because account is locked
Dec 30 03:45:30 sshd[63]: Connection closed by invalid user root 157.230.20.226 port 36904 [preauth]
Dec 30 03:45:35 sshd[65]: Invalid user xiehaowei from 194.163.132.190 port 55820
Dec 30 03:45:36 sshd[65]: Received disconnect from 194.163.132.190 port 55820:11: Normal Shutdown, Thank you for playing [preauth]
Dec 30 03:45:36 sshd[65]: Disconnected from invalid user xiehaowei 194.163.132.190 port 55820 [preauth]
Dec 30 03:45:48 sshd[67]: Invalid user xiehaowei from 194.163.132.190 port 55868
Dec 30 03:45:49 sshd[67]: Received disconnect from 194.163.132.190 port 55868:11: Normal Shutdown, Thank you for playing [preauth]
Dec 30 03:45:49 sshd[67]: Disconnected from invalid user xiehaowei 194.163.132.190 port 55868 [preauth]
Dec 30 03:45:52 sshd[69]: User root not allowed because account is locked
Dec 30 03:45:53 sshd[69]: Connection closed by invalid user root 157.230.20.226 port 41146 [preauth]
Dec 30 03:46:00 sshd[71]: Invalid user xiehaowei from 194.163.132.190 port 55890
Dec 30 03:46:01 sshd[71]: Received disconnect from 194.163.132.190 port 55890:11: Normal Shutdown, Thank you for playing [preauth]
Dec 30 03:46:01 sshd[71]: Disconnected from invalid user xiehaowei 194.163.132.190 port 55890 [preauth]

这里的日志上的账号都不是我们设置的，就是个空账号，然后这个 IP 也是德国那边的.

我目前的 gogs 是做了 nginx 代理,暴露了俩端口,我在 nginx 里加 deny 没啥卵用,不知道咋操作了. 懂行的大佬指点一下吧!