illumos gate

The settings of /etc/default/passwd need to be updated to face modern security challenges.

For instance,
PASSLENGTH=6
is much too weak. One should have at least
PASSLENGTH=10
or even
PASSLENGTH=12
as recommended in
https://www.networkworld.com/article/2726564/how-to-enforce-password-complexity-on-solaris.html

All the current definitions in /etc/default/passwd should be made strengthened
to make OpenIndiana secure by default.