# SRT

## 1 SRT settings

![Fig. 1: The menu for the SRT settings](https://304400748-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MS3qj4cW170AMeE1ckj-1703796690%2Fuploads%2F2O4p9x7mCMAwHsKKXXpv%2Fsrt-general-conf.png?alt=media\&token=9031dbc5-7b58-4ab1-b2b7-b6ecc3e16123)

{% hint style="danger" %}
**Docker port mapping must be extended for this as well.** The unique thing is UDP, which you build into the command as follows: -p 6000:6000/udp.

**By default Docker always uses TCP for the ports. So if you forget /udp, you will not be able to reach the SRT.**
{% endhint %}

### 2 SRT server

The ✅ checkmark activates the SRT server.

### 3 Port

Port settings for the SRT server.

{% hint style="info" %}
The default value for the listening address is port: 6000
{% endhint %}

### 4 Token

SRT token for publishing and playback. It is a protection against unwanted inputs/outputs. The token is the value of the URL query parameter 'token'. This setting is optional.

### 5 Passphrase

This setting encrypts the stream and is optional.

## Learn more

{% content-ref url=".." %}
[..](https://docs.datarhei.com/restreamer/knowledge-base/manual)
{% endcontent-ref %}