pppd/ppp.pam

   1 #%PAM-1.0
   2 # Information for the PPPD process with the 'login' option.
   3 auth    required        pam_nologin.so
   4 auth    required        pam_pwdb.so shadow nullok
   5 account required        pam_permit.so
   6 session required        pam_permit.so