# General tab
Use the **General** tab set connections for the Elastic nodes and set options for the destination index.
Specify the **Connection** options for each server in the table of the **Servers** tab. The following table describes these connection options:
| Column | Description |
| ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **#** | Number of the field’s entry. |
| **Address** | Enter the hostname (optionally specified with a variable) of the node you want to connect to. |
| **Port** | Enter the port (optionally specified with a variable) of the Elastic REST interface. |
| **Scheme** | Enter the scheme or protocol (optionally specified with a variable) to use when performing REST communication, which is usually http, or https for secured Elastic nodes. |
Set user verification options the **Authentication** tab to choose and test a verification method for the Elastic node user. The following table describes these user verification options:
| Field | Description |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Authentication** | Select the authentication method for the Elastic nodes:
Specify this method if you do not want to authenticate when connecting.
Specify the Username and Password to use basic authentication when connecting to the Elastic nodes.
|
| **Test** | Click to test the connection and authentication settings. |
Use the \*\*Index\*\* options to name and test the output Elastic index.
| Field | Description |
| ---------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Index** | Specify the name of the target index for the documents submitted by bulk insert requests. This value can be specified as a variable. If an index with that name does not yet exist in Elasticsearch, it creates one. |
| **Test** | Click to test the connectivity to the desired output index. |
| **Create** | Click to create the index if it does not exist. |
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