Sample Password Filter
Microsoft provides a sample password filter (Passfilt.dll) for administrators who want to increase password policy.
The source code for Passfilt.dll is available in the Platform Software Development Kit (SDK) under Samples\Security\PasswordFilters\Passfilt. For more information about Passfilt.dll, see the Readme.txt file that accompanies the sample.
For information about programming issues when implementing a password filter DLL, see Password Filter Programming Considerations. For information about how to install and register your own password filter DLL, see Installing and Registering a Password Filter DLL. For information about functions implemented by a password filter DLL, see Password Filter Functions.
Build date: 11/1/2007