> ## Documentation Index
> Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# tcp_port_* server settings

> ClickHouse server settings in the tcp_port_* generated group.

These settings configure the ClickHouse server and are autogenerated from ClickHouse source.

<h2 id="tcp_port">
  tcp\_port
</h2>

Port for communicating with clients over the TCP protocol.

**Example**

```xml theme={null}
<tcp_port>9000</tcp_port>
```

<h2 id="tcp_port_secure">
  tcp\_port\_secure
</h2>

TCP port for secure communication with clients. Use it with [OpenSSL](/docs/reference/settings/server-settings/settings/other#openssl) settings.

* **Default:** `9440`

```xml theme={null}
<tcp_port_secure>9440</tcp_port_secure>
```