> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-communications/socket-accept.md).

# Socket Accept

Accepts a socket connection on a specified port.

Action available for the following operating systems:

![](/files/-MAlQBZuuTnc6hyzKSVQ)

### Parameters

* **Socket** *\<unquoted string> -* The identification of the socket that user wants to open. There are several handlers for sockets from 1 to 10. It's also possible defined a socket dynamically by choosing option *dynamic* for this parameter.
* **Port** *\<numeric> -* The port for the defined socket.
* **Mode** *\<unquoted string> -* The communication mode for the defined socket. There are several options for this parameter: *TCP*, *UDP* or *dynamic*.
* **Timeout** *\<numeric> -* The timeout in milliseconds defined for this serial port. The value 0 is this parameter means that there is no timeout.
* **Target Address** *\<unquoted string> -* The control or variable where the result of this action is saved. It can return IPV4 addresses mapped as IPV6 like ::ffff:192.168.1.1

{% hint style="warning" %}
This action does not support IPV6 on Windows CE/Mobile.
{% endhint %}

{% hint style="info" %}
On Win10, inbound connections from the local host are blocked.

To test you need to run the following command for KClient or adjusted for your compiled App:

**checknetisolation loopbackexempt -is -n=SysdevMobile.KClientV50\_whdsjj1dnhbm8**
{% endhint %}