--- /etc/ssh/sshd_config.orig    2017-12-17 13:08:18.460496574 +0000
+++ /etc/ssh/sshd_config 2017-12-17 13:10:01.093459593 +0000
@@ -15,8 +15,8 @@
 #ListenAddress 0.0.0.0
 #ListenAddress ::
 
-#HostKey /etc/ssh/ssh_host_rsa_key
-#HostKey /etc/ssh/ssh_host_ecdsa_key
+HostKey /etc/ssh/ssh_host_rsa_key
+HostKey /etc/ssh/ssh_host_ecdsa_key
 #HostKey /etc/ssh/ssh_host_ed25519_key
 
 # Ciphers and keying
@@ -30,6 +30,7 @@
 
 #LoginGraceTime 2m
 #PermitRootLogin prohibit-password
+PermitRootLogin no
 #StrictModes yes
 #MaxAuthTries 6
 #MaxSessions 10
@@ -54,6 +55,7 @@
 
 # To disable tunneled clear text passwords, change to no here!
 #PasswordAuthentication yes
+PasswordAuthentication no
 #PermitEmptyPasswords no
 
 # Change to yes to enable challenge-response passwords (beware issues with