Index: sshd_config
===================================================================
--- sshd_config.orig
+++ sshd_config
@@ -56,7 +56,7 @@
 #IgnoreRhosts yes
 
 # To disable tunneled clear text passwords, change to no here!
-#PasswordAuthentication yes
+PasswordAuthentication no
 #PermitEmptyPasswords no
 
 # Change to no to disable s/key passwords
@@ -81,7 +81,7 @@
 # If you just want the PAM account and session checks to run without
 # PAM authentication, then enable this but set PasswordAuthentication
 # and ChallengeResponseAuthentication to 'no'.
-#UsePAM no
+UsePAM yes
 
 #AllowAgentForwarding yes
 #AllowTcpForwarding yes