Apache ManifoldCF (CF meaning Connector Framework) provides a framework for extracting content from multiple repositories, enriching it with document-level security information, and outputting the resulting document into Solr based on the security model found in Microsoft's Active Directory platform. Working with ManifoldCF requires an understanding of the interaction between extracting content from repositories via a Repository Connector, outputting the documents and security tokens via an Output Connector into Solr, listing a specific user's access tokens from an Authority Connector, and finally performing a search that filters the document results based on the list of tokens. ManifoldCF takes care of ensuring that, as content and security classifications for content are updated in the underlying repositories, it is synched to Solr, either on a scheduled basis or a constantly monitoring basis. Finally, it has a convenient web UI to manage the connector...