Uniquelogin authentication

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Note: You are currently viewing documentation for Moodle 1.9. Up-to-date documentation for the latest stable version is available here: Uniquelogin authentication.

This document describes how to set up Uniquelogin Authentication in Moodle.

This is integrated into Moodle 1.9 onwards.

The Unique Authentication module is available for download from the Moodle plugins directory: http://moodle.org/plugins/view.php?plugin=auth_uniquelogin

Overview

The goal of Uniquelogin Authentication plugin is to make sure that each user in Moodle can only have one active session simultaneoulsy.

The code is prepared to work on Moodle 1.9 and 2.X as it addresses modifications in session table and database access through global DB instance.

Assumptions

To work properly, the plugin needs the following:

  1. Database-stored sessions are enabled (see Notes/Tips bellow).
  2. Uniquelogin is active in authentication plugins page.

Installation

  1. Download the plug-in file from http://moodle.org/plugins/view.php?plugin=auth_uniquelogin
  2. Unzip the file to authentication plug-ins folder moodle/auth/
  3. On the Administration Block, click on Site administration » Users » Authentication » Manage authentication
  4. Enable the authentication plug-in called Unique login
  5. Move the plug-in to the top position

Notes/Tips

  • As mentioned in Assumptions, you must use database-stored sessions to use this plug-in. To achieve this follow these steps:
  1. On the Administration Block, click on Site administration » Server » Session Handling
  2. Enable the setting Use database for session information

See also