Passcode Grids

Overview

A passcode grid is a table of rows and columns. Each cell contains a 3 letter tuple. LoginTC will challenge a user to enter the value of 3 cells (i.e. B1-A5-D2). The passcode grid can be printed or saved as a PDF.

Sample passcode grid:

Enabling Passcode Grids

To enable or disable passcode grid for a specific application:

  1. Log in to LoginTC Admin
  2. Click Applications
  3. Select the application you want to modify
  4. Select the appropriate application policy
  5. Under Authentication Methods Scroll down to Passcode Grids
  6. Select either Enabled or Disabled
  7. Select a timeout in seconds a challenge is valid for. Default is 300 seconds
  8. Scroll down to the bottom of the page and click Save
Compatibility Requirements

Supported LoginTC Connectors

Passcode grid is compatible with:

  • LoginTC AD FS Connector 1.2.1+
  • LoginTC Windows Logon and RDP Connector 1.2.2+
  • LoginTC OWA Connector 1.3.2+
  • LoginTC RD Web Access Connector 1.4.0+
  • LoginTC RD Gateway SSO Connector 1.0.0+
  • LoginTC RADIUS Connector 3.0.6+

LoginTC RADIUS Connector

Passcode grid is compatible with the LoginTC RADIUS Connector when the Authentication Mode is set to Challenge Interactive or Iframe; Direct and Challenge are not supported.

Managing Passcode Grids

Associating with a User

Enrollment Email

Passcode grids are issued using a LoginTC Enrollment Link. For more information see: Enrollment Email – Enrollment Link.

To associate a passcode grid with a user:

  1. Log in to LoginTC Admin
  2. Click Users and click the target user
  3. Scroll down to Domain Memberships
  4. Click Send Enrollment Email
  5. The user will receive an email with a link to enroll their passcode grid and complete the association process

Disassociating from a User

To disassociate a passcode grid with a user:

  1. Log in to LoginTC Admin
  2. Click Users and click the target user
  3. Scroll down to Passcode Grids
  4. Click Disassociate Passcode GridDisassociate
  5. Click Disassociate Passcode Grid
Using Passcode Grids

Iframe Window

Passcode Grid authentication with Authentication Mode Iframe for Citrix NetScaler:

The user selects Passcode Grid and is shown a passcode grid to enter the values of 3 cells. Entering the correct values corresponding the their own passcode grid will result in a successful authentication.

This works for the following connectors:

  • LoginTC AD FS Connector 1.2.1+
  • LoginTC Windows Logon and RDP Connector 1.2.2+
  • LoginTC OWA Connector 1.3.2+
  • LoginTC RD Web Access Connector 1.4.0+
  • LoginTC RD Gateway SSO Connector 1.0.0+
  • LoginTC RADIUS Connector 3.0.6+ (Authentication Mode: Iframe)

RADIUS Challenge Interactive

Passcode Grid works with Authentication Mode Challenge Interactive on the LoginTC RADIUS Server:

When prompted, the user enters grid and is then shown a passcode grid challenge to enter the values of 3 cells. Entering the correct values (no spaces) corresponding to their own passcode grid will result in a successful authentication.

Windows Logon Offline

Passcode Grid works in Offline mode with LoginTC Windows Logon and RDP Connector:

The user selects Passcode Grid and is shown a passcode grid to enter the values of 3 cells. Entering the correct values corresponding the their own passcode grid will result in a successful authentication. For more information: Offline Logon.

For more examples see: Passcode Grid

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