1.装有openssh
2.拷贝了sshd_config
3.ssh-keygen -t rsa1 -f ssh_host_key
4.22端口未被占用
5.ssh_host_key位置设置正确
6.key生成正常
问题如下：
1.直接运行sshbbsd -p 22
  etc/sshd_config line 15: Bad configuration option: protocol
2：注释掉Protocol 1后
  etc/sshd_config line 33: unsupported log facility authpriv
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FROM 111.162.63.*