什么 fail2ban 正则表达式会捕获这样的日志？
Apr 9 08:48:28 server sshd[1856]: Received disconnect from 43.255.190.117: 11: [preauth]
Apr 9 09:06:05 server sshd[1936]: Received disconnect from 43.255.191.159: 11: [preauth]
Apr 9 09:06:10 server sshd[1938]: Received disconnect from 43.255.190.126: 11: [preauth]
Apr 9 09:31:12 server sshd[2005]: Received disconnect from 43.255.190.123: 11: [preauth]
Apr 9 09:37:06 server sshd[2013]: Received disconnect from 43.255.190.149: 11: [preauth]
Apr 9 09:53:55 server sshd[2036]: Received disconnect from 43.255.190.149: 11: [preauth]
Apr 9 10:16:59 server sshd[2368]: Received disconnect from 43.255.190.165: 11: [preauth] …