> For the complete documentation index, see [llms.txt](https://docs.jtokenapp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jtokenapp.com/router-v519/configuration/network/port-map.md).

# Port Map

## Port Map

In this section, it allows the user to do port mapping so that users on the external network can directly acess the services provided by the internal service through the router's external IP and port. Please check below details:

![](/files/-MSwEZ0A0qN0QwPwUUfk)

{% hint style="info" %}
:man\_mage: **Tips**: Before doing port mapping, please close the firwall of this router first.
{% endhint %}