# UDP configuration

This page describes the configuration items for configuring Transformer’s UDP interface.

## udp-port

The port on which to listen for UDP commands. If not specified, then the UDP interface is disabled.

**📌 NOTE**\
The default port that Transformer’s [udpsend](transformer-sending-udp-commands-to-transformer.md) command connects to is 10001.

**Syntax**: `udp-port <port>`

| Parameter | Type | Default | Description |
| --- | --- | --- | --- |
| port | integer |  | Port number |

**Example**: `udp-port 10001`

## udp-interface

The interface on which to listen for UDP commands. If not specified, then the UDP socket is available on all interfaces.

**Syntax**: `udp-interface <address>`

| Parameter | Type | Default | Description |
| --- | --- | --- | --- |
| address | string |  | The interface on which to listen for UDP commands |

**Example**: `udp-interface 127.0.0.1`

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**See also**:

* [Sending UDP commands to Transformer](transformer-sending-udp-commands-to-transformer.md)
* [UDP commands](transformer-udp-commands.md)