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   1  #
   2  # /etc/pam.d/common-password - password-related modules common to all services
   3  #
   4  # This file is included from other service-specific PAM config files,
   5  # and should contain a list of modules that define the services to be
   6  # used to change user passwords.  The default is pam_unix.
   7  
   8  # Explanation of pam_unix options:
   9  #
  10  # The "sha512" option enables salted SHA512 passwords.  Without this option,
  11  # the default is Unix crypt.  Prior releases used the option "md5".
  12  #
  13  # The "obscure" option replaces the old `OBSCURE_CHECKS_ENAB' option in
  14  # login.defs.
  15  #
  16  # See the pam_unix manpage for other options.
  17  
  18  # As of pam 1.0.1-6, this file is managed by pam-auth-update by default.
  19  # To take advantage of this, it is recommended that you configure any
  20  # local modules either before or after the default block, and use
  21  # pam-auth-update to manage selection of other modules.  See
  22  # pam-auth-update(8) for details.
  23  
  24  # here are the per-package modules (the "Primary" block)
  25  password    [success=1 default=ignore]    pam_unix.so obscure sha512
  26  # here's the fallback if no module succeeds
  27  password    requisite            pam_deny.so
  28  # prime the stack with a positive return value if there isn't one already;
  29  # this avoids us returning an error just because nothing sets a success code
  30  # since the modules above will each just jump around
  31  password    required            pam_permit.so
  32  # and here are more per-package modules (the "Additional" block)
  33  password    optional    pam_gnome_keyring.so 
  34  # end of pam-auth-update config