diff -Nur openssh-6.6p1.orig/sshd_config openssh-6.6p1/sshd_config
--- openssh-6.6p1.orig/sshd_config	2014-01-12 02:20:47.000000000 -0600
+++ openssh-6.6p1/sshd_config	2014-07-26 17:28:35.993833123 -0500
@@ -94,7 +94,7 @@
 # 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