Subsystem sftp /bin/sh -c ‘umask 0002; /usr/libexec/openssh/sftp-server'```
via: [http://jeff.robbins.ws/articles/setting-the-umask-for-sftp-transactions](http://jeff.robbins.ws/articles/setting-the-umask-for-sftp-transactions "http://jeff.robbins.ws/articles/setting-the-umask-for-sftp-transactions")