Configure Shared Secret authentication

You can configure RealPort to use shared secret authentication if the device supports this feature. If the device does not support shared secret authentication, the options are grayed out and not available.

1. Follow the standard Windows process to access the Device Manager from your computer's operating system.

   1. Select Multi-port Serial Adapters.

   2. Right-click on your device. Click the Properties menu option. The Properties dialog appears.

   3. Click the Advanced tab.

   4. Click Properties. The Advanced Properties dialog appears

   5. Click the Security tab.

2. The authentication options are available if the device supports shared secret authentication.

3. From the Authentication Method list box, specify the method you want to use. If you choose a Shared Secret option, the option selected for RealPort must match the authentication configured for the device.

   • None: This is the default.

   • Shared Secret - SHA256

   • Shared Secret - MD5 (Deprecated): This option is compatible with devices that do not have an explicit authentication method selection.

4. If you chose either of the Shared Secret options, the Shared Secret field is enabled. Enter the password that should be used for authentication.

5. Click Apply.
6. Click OK.
7. Click Apply.