In the advanced options, you can fine-tune your server configuration. In most case, it should not be necessary.
How to manage the advanced options
Select the radio for which you want to change the advanced options.
Choose Settings > Advanced.
You can set three different settings.
Maximum Listeners Time: If you want to limit the time that a listener can be connected. Once that time limit is reached, your listeners will be automatically kicked from the server.
Auto Dump Source: Set the time until the server drops the encoder if no content is played.
Auto dump listeners if no source: Tell the server if you want the listeners to be kicked off when the encoder disconnects.