> For the complete documentation index, see [llms.txt](https://docs.onum.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.onum.com/listeners-changelog/tcp-listener.md).

# TCP Listener

Learn more about this Listener type in [this article](/listeners/listener-integrations/collect-data-using-tcp.md).

<details>

<summary>v0.3.0</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">06/17/2025</mark>

New **Custom** option in the **Trailer Character** field to define custom trailer characters.

</details>

<details>

<summary>v0.1.1</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">04/28/2025</mark>

`SourceIp` was not properly displayed in the user interface despite being failing to properly render it in the front-end interface. With this fix, you can now accurately view the true network origin of TCP-transmitted data.

</details>

<details>

<summary>v0.1.0</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">07/11/2024</mark>

`address` has been removed from metadata parameters and now uses `0.0.0.0` by default.

</details>

<details>

<summary>v0.0.1</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">07/08/2024</mark>

Initial version.

</details>