Directive 'UseDNS' is not allowed within a Match block.

centos7 sftp设置后 ssh 启动失败

报错日志：Directive 'UseDNS' is not allowed within a Match block.

解决方法：

设置/etc/ssh/sshd_config
将subsystem匹配模块放在文件最底部

参考https://unix.stackexchange.com/questions/67334/openssh-how-to-end-a-match-block