File System Connector 25.4
File System Connector Help

# Introduction

The mapped security architecture includes the following components:

- The file system.
- File System Connector
- Knowledge Discovery OmniGroupServer
- Knowledge Discovery Content and Community components
- A front-end application

Files in the file system have an Access Control List (ACL) that lists the users and groups who are permitted, and are not permitted, to view the file.

The File System Connector retrieves files from the file system and creates documents that can be indexed. The connector extracts the ACL for each item, and writes it to a document field. Each time the connector synchronizes with the repository, it extracts updated ACLs.

The Content component needs the ACL to determine whether a user can view a document that is returned as a result to a query. However, the Content component must also consider the groups that the user belongs to. A user might not be permitted to view a document, but they could be a member of a group that has permission. This means that the Content component requires the user and group information associated with the files.

OmniGroupServer extracts the security group information using LDAP, and stores it.

When a user logs on to a front-end application, the application requests the user’s security information and group memberships from the Community component. The Community component returns a token containing the information. The front-end application includes this token in all queries the user sends to the Content component.

After a user submits a query, the Content component sends the result documents and the user’s security token to the Mapped Security plug-in. The Mapped Security plug-in compares the user’s security information and group memberships to each document’s ACL. The plug-in determines which documents the user is permitted to view and returns the results. The Content component then sends only the documents that the user is permitted to view to the front-end application.

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery File System Connector 25.4

Topic Title: Introduction