-# Set this to 'yes' to enable PAM keyboard-interactive authentication
-# Warning: enabling this may bypass the setting of 'PasswordAuthentication'
-#PAMAuthenticationViaKbdInt yes
+# Set this to 'yes' to enable PAM authentication (via challenge-response)
+# and session processing. Depending on your PAM configuration, this may
+# bypass the setting of 'PasswordAuthentication'
+UsePAM yes
+
+# Set this to 'yes' to enable support for chrooted user environment.
+# You must create such environment before you can use this feature.
+#UseChroot yes