#%PAM-1.0
auth       required	/lib/security/pam_listfile.so item=user sense=deny file=/etc/vsftpd.user_list onerr=succeed
auth       required	/lib/security/pam_stack.so service=system-auth
auth       required	/lib/security/pam_shells.so
account    required	/lib/security/pam_stack.so service=system-auth
session    required	/lib/security/pam_stack.so service=system-auth