Admin Security

 
Hi All,
 
Below things I can able to perform except the 3rd and 4th and 5th point.
 
 1) Increase Minimum password lenght to 8 chars and introduce
alphanumerical complexity.
QPWDMINLEN  *SEC    Minimum password length
QPWDRQDDGT  *SEC    Require digit in password

2) Increase password history to 12 previous passwords.
QPWDRQDDIF  *SEC    Duplicate password control

3) Prevent users setting password to username

4) Prevent system and user profiles from logging onto
multiple workstations at the same time profiles with interactive QRY.
QLMTDEVSSN (regarding 4th point how many session we can limit with QLMTDEVSSN.)
 
5) Password must be reset with 3 months.
 
Please Can one help or guide me
 
Thanks in advance.
 
Regards,
John