--- /etc/ssh/sshd_config 2017-02-24 07:47:01.063032000 +0000
+++ /etc/ssh/sshd_config   2017-02-25 09:01:47.274006000 +0000
@@ -19,4 +19,4 @@
 Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
 MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com
 # override default of no subsystems
-Subsystem      sftp    /usr/libexec/sftp-server
+Subsystem sftp internal-sftp