NetLinx Master Security

With security enabled on the NetLinx Master, users will be required to provide the correct User Name and Password in order to establish communication with the Master.

    • Security is enabled or disabled on the target Master (via options in the Security tab of the Master's built-in interface). Refer to the Master's documentation for details on enabling/disabling security.
    • User Name and Password are case-sensitive.
    • If the correct User Name and Password are not entered, NetLinx Studio will indicate "Authentication Failure", and the connection to the Master will be denied.
    • You can apply a default User Name and Password to the Default Settings option, so that as you create new NetLinx systems they will always require the specified User Name/Password combination.

NOTE: Security is not available for NetLinx Virtual Master connections.

Connecting to a Secured NetLinx Master (Network Connection)

To connect to a NetLinx Master with security enabled, the correct User Name and Password must be entered before communication is established:

  1. Select Settings > Workspace Communication Settings to open the Workspace Communication Settings dialog.
  2. Click Default Settings to open the Communications Settings dialog.
  3. Select the connection associated with the secured NetLinx Master (in the Recent or Network tab).
  4. Click Edit to configure the selected connection via the Edit TCP/IP Setting dialog (FIG. 232):

FIG. 232 Edit TCP/IP Setting dialog

  1. Enter the User Name and Password that are set for this NetLinx Master (case sensitive).
  2. Click OK to save changes and close the Edit TCP/IP Setting dialog.
  3. Click OK to close the Communications Settings dialog.
  4. Click OK to close the Workspace Communication Settings dialog. At this point you should be able to connect to the Master.

SSL/TLS Connectivity with NX-Series Controllers

You can connect via SSL/TSL to an NX-series controller that has ICSP security enhancement firmware installed (v1.5 or greater.) When you select the Use SSL/TLS Connection option in the Edit TCP/IP Setting dialog (FIG. 232), NetLinx Studio automatically sets the connection port to 1320 and opens a secured connection on this port to the NetLinx controller. You cannot change the port assignment when this option is selected.

NOTE: If you have your connection settings for an NI-series controller set to port 1320, NetLinx Studio will try to open an SSL/TLS connection, which will fail since NI-series controllers do not have the new security enhancements.

If You Don't Connect

    • Verify that the master is set for ICSP Connectivity, with Require Encryption enabled (via the Master's built-in interface).
    • Refer to the Master's documentation for details on enabling/disabling security.

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