auth            required        pam_tally.so onerr=succeed
auth            required        pam_shells.so
auth            required        pam_nologin.so
auth            required        pam_env.so
auth            requisite       pam_unix.so try_first_pass likeauth nullok

# You can pass 'debug' or 'silent' options here.
# Rest of the configuration is done in /etc/otpasswd/otpasswd.conf
auth            required        pam_otpasswd.so 
session		optional	pam_otpasswd.so
