Password Complexity in Linux

[Chet Nichols III]

sweet. see.. i was figuring there was already something out there :D ::pokes
karthik::
On Mon, Jun 30, 2008 at 1:01 PM, Wayne Betts <wbetts at bnl.gov> wrote:

> I replace cracklib with passwdqc in my pam.d system-auth.  This allows
> simple rules that would match the OP's needs for complexity.  (Though the
> cracklib docs seem to indicate it can do these things too, I have not gotten
> it to work.)  I use the "remember=X" option for pam_unix to remember "X"
> previous password hashes in /etc/security/opasswd.
>
> If you have the pam_passwdqc package installed, then use the man page for
> pam_passwdqc to see how to configure it.
>
>
>
>
> Chet Nichols III wrote:
>
>> The useradd command will let you tune password expiration times per user..
>> but for creating complex passwords, you could always create your own
>> modified passwd tool that users have to use to enforce your complexity.
>> As for having the last 4 passwords not used, I'd probably end up creating
>> a
>> database of some sort that my custom passwd tool would tap into.
>>
>> There are probably solutions/built-in's already that take care of this,
>> but
>> that'd be my first thought (I usually think about what I'd do before
>> searching for already existing solutions).
>>
>> I'm interested to hear what other people use/would use to handle this :D
>>
>> Chet
>>
>> On Mon, Jun 30, 2008 at 12:19 PM, karthik keyan <
>> karthik_arnold1 at yahoo.com>
>> wrote:
>>
>>  Hi All
>>>
>>> I would like to setup passwd complexity on our Linux servers .
>>>
>>> Min 8 characters - 1 upper , 1 digit and 1 Lower character
>>>
>>> Last used 4 passwords should not be used
>>>
>>> And also i want to set Passwd expiry for user accounts which are already
>>> created and These passwd complexity should apply to users which has
>>> alreay
>>> been created .
>>>
>>> I Need  your valuable help and advice
>>>
>>> Thanks & Regards
>>> Karthik
>>>
>>>
>>>
>>>
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>>
>>
>>
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chet nichols III
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