[Samba-it] Durata Password e complessità Password (PDC-LDAP)

[Venarucci Paolo]

Non riesco a capire dove poter agire sulla complessita' delle password 
(MINUSCOLE+MAIUSCOLE+CARATTERISPECIALI E LUNGHEZZA) e sulla sua durata.
usando i samba tools mi setta questi valori (non ho capito la logica): 

sambaPwdLastSet: 1134520481
sambaPwdCanChange: 2147483647
sambaPwdMustChange: 2147483647 

di seguito una parte dell'ldif: 

dn: uid=YYYYYY.XXXXXX,ou=Users,dc=QWERTY,dc=intra
objectClass: top
objectClass: inetOrgPerson
objectClass: posixAccount
objectClass: shadowAccount
objectClass: sambaSAMAccount
cn: YYYYYY.XXXXXX
sn: YYYYYY.XXXXXX
uid: YYYYYY.XXXXXX
uidNumber: 1013
gidNumber: 513
homeDirectory: /home/YYYYYY.XXXXXX
loginShell: /bin/bash
gecos: System User
description: System User
structuralObjectClass: inetOrgPerson
entryUUID: 2333fe5a-0085-102a-9db3-88dc0e0a8458
creatorsName: cn=Manager,dc=QWERTY,dc=intra
createTimestamp: 20051214003431Z
sambaLogonTime: 0
sambaLogoffTime: 2147483647
sambaKickoffTime: 2147483647
displayName: System User
sambaSID: S-1-5-21-3938783525-3398534240-414102606-3026
sambaPrimaryGroupSID: S-1-5-21-3938783525-3398534240-414102606-513
sambaLogonScript: YYYYYY.XXXXXX.cmd
sambaProfilePath: \\LAM\profiles\menichetti.barbara
sambaHomePath: \\LAM\homes\YYYYYY.XXXXXX
sambaHomeDrive: H:
sambaLMPassword: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
sambaAcctFlags: [U]
sambaNTPassword: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
sambaPwdLastSet: 1134520481
userPassword:: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX==
sambaPwdCanChange: 2147483647
sambaPwdMustChange: 2147483647
entryCSN: 2006032400:09:03Z#0x0001#0#0000
modifiersName: cn=Manager,dc=QWERTY,dc=intra
modifyTimestamp: 20060324000903Z