It 'necessary to develop a Joomla component (standard component for Joomla 1.5) to manage security passwords.
A plugin in the component, during the login, must check the user's that not have change the password at least X (configurable parameter in the component) days. If this is the case, the user will be redirected to the special page for change the password.
* should be different from the previous
* must contain at least a numbers,
* must contain at least a lowercase letter
* must contain at least a uppercase letter
* must contain at least a special characters
Each state must have an error message set up a language file.
In the options on the component must be able to choose whether or not any security option
Here are some links to products that do these things in part:
The project will then be published and distributed free on JED