2. Fields which depend on the chosen library

These fields may appear or not depending on the chosen library.

2.1 pam_pwdb.so

Shadow passwords

Enabled, if shadow passwords are being used.

Permit blank passwords

Permit to use blank passwords.

If not enabled, blank passwords will be refused even if they're correct.

Use MD5 cryptography instead

If enabled, uses MD5 cryptography instead the standard 'crypt'.

Use previous authentication

If enabled, uses the authentication provided by previous modules so the user won't be queried again.

2.2 pam_cracklib.so

Retry

The number of retries the user may have to provide a correct password.

New different characters

The number of different characters the new password must have from the previous one.

Minimum length

Minimum size for the password plus one.

Note that some shorter passwords may be accepted too if they have extra credits (see credits options).

Credits from digits

Maximum credits which can be given for the presence of numeric digits in the password.

Credits from uppercases

Maximum credits which can be given for the presence of uppercases in the password.

Credits from lowercases

Maximum credits which can be given for the presence of lowercases in the passowrd.

Credits from other chars

Maximum credits which can be given for the presence of other characters (symbols) in the passoword.

2.3 pam_limits.so

Debug

If enabled, increases the messages to go to the system log.

Alt. config file

Full path for an alternative configuration file.

WARNING: If a different config file is user the user is responsible for difectly maintaining that file since the Modules' Settings section will only configure the standard file, not alternative ones.