> For the complete documentation index, see [llms.txt](https://mudfish.gitbook.io/topics/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mudfish.gitbook.io/topics/vpn/basic/mudec_00031-mudec_00145.md).

# MUDEC\_00031, MUDEC\_00038, MUDEC\_00145

{% tabs %}
{% tab title="한국어" %}
[기본 동작 여부 확인](https://mudfish.gitbook.io/topics/vpn/basic/checking-basic-functionality)을 한 뒤 FastConnect 모드를 꺼 보시기 바랍니다.

{% content-ref url="/pages/-LWz5mcbfwdVDb81XQRb" %}
[Checking Basic Functionality, What's my IP?, MUDEC\_00043, 00123, 00126, 00139, 00309](/topics/vpn/basic/checking-basic-functionality.md)
{% endcontent-ref %}
{% endtab %}

{% tab title="English" %}
{% content-ref url="/pages/-LWz5mcbfwdVDb81XQRb" %}
[Checking Basic Functionality, What's my IP?, MUDEC\_00043, 00123, 00126, 00139, 00309](/topics/vpn/basic/checking-basic-functionality.md)
{% endcontent-ref %}
{% endtab %}
{% endtabs %}