Module For Enforcing Password Strength

Magnus Henoch <>
Mon Aug 16 18:49:44 CEST 2010

Gordon Guthrie <> writes:

> I was sitting fingers poised on the keyboard to write a module to test
> password strength and I though, "haud on, somebody musta done this"...
> Does anyone know of a library module that checks passwords for:
> * length
> * dictionary attack
> * contains numbers/punctuation
> * etc, etc

It sounds like you're looking for cracklib.  I've never used it myself,
but it seems to be living at
nowadays.  It's also packaged for many Linux distributions.


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