为什么关了密码登录， auth.log 里还有账号密码登录错误的记录，难道不是直接断开吗？

[elboble]

Aug 4 23:33:37 debian99 sshd[2262432]: Received disconnect from 192.168.11.36 port 45068:11: Bye Bye [preauth] Aug 4 23:33:37 debian99 sshd[2262432]: Disconnected from invalid user yangww 192.168.11.36 port 45068 [preauth] Aug 4 23:33:37 debian99 sshd[2262509]: Received disconnect from 192.168.11.36 port 45478:11: Bye Bye [preauth] Aug 4 23:33:37 debian99 sshd[2262509]: Disconnected from invalid user yangxsh 192.168.11.36 port 45478 [preauth] Aug 4 23:33:37 debian99 sshd[2262460]: Received disconnect from 192.168.11.36 port 45150:11: Bye Bye [preauth] Aug 4 23:33:37 debian99 sshd[2262460]: Disconnected from invalid user yangxh 192.168.11.36 port 45150 [preauth] Aug 4 23:33:37 debian99 sshd[2262506]: Received disconnect from 192.168.11.36 port 45448:11: Bye Bye [preauth] Aug 4 23:33:37 debian99 sshd[2262506]: Disconnected from invalid user yangxsh 192.168.11.36 port 45448 [preauth] Aug 4 23:33:37 debian99 sshd[2262536]: Invalid user yangxt from 192.168.11.36 port 45606 Aug 4 23:33

[julyclyde]

这是用户名错误啊，和密码有啥关系？