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29.3. Options
This tab allows other configuration options, as listed below.
Figure 29.3. Options
Cache User Information
Select this option to enable the name service cache daemon (nscd
) and configure it to start at boot time.
The
nscd
package must be installed for this option to work. For more information about nscd
, refer to its man page using the command man nscd
.
Use Shadow Passwords
Select this option to store passwords in shadow password format in the /etc/shadow
file instead of /etc/passwd
. Shadow passwords are enabled by default during installation and are highly recommended to increase the security of the system.
The
shadow-utils
package must be installed for this option to work. For more information about shadow passwords, refer to Section 37.6, “Shadow Passwords”.
Use MD5 Passwords
Select this option to enable MD5 passwords, which allows passwords to be up to 256 characters instead of eight characters or less. It is selected by default during installation and is highly recommended for increased security.