The system administrator wishes to use the pam_listfile.so module to restrict which users are allowed to login via SSH. Which line will configure this behaviour?
A. auth required pam_listfile.so item=user sense=deny file=/etc/sshd/sshd.deny onerr=succeed
B. auth required pam_listfile.so item=user sense=allow file=/etc/sshd/sshd.allow onerr=succeed
C. auth required pam_listfile.so item=user sense=allow file=/etc/sshd/sshd.allow onerr=fail
D. auth required pam_listfile.so item=user sense=deny file=/etc/sshd/sshd.deny onerr=fail