Alternatively, click Groups and choose a group to
configure, or click Global to configure options for all
users.
In the right panel of the Server Configuration dialog,
click Authorization.
Set token authorization for incoming and outgoing transfers.
Select the override boxes for Incoming Transfers and
Outgoing Transfers. Under Effective
Value, select token from the dropdown
menu.
Set the token encryption key.
Select the override box for Token Encryption Key and
enter the token encryption key. The encryption key should be a string of random
characters (at least 20 recommended).
Click Apply to save the changes, or click
OK to save the changes and close the dialog.