> For the complete documentation index, see [llms.txt](https://docs.arkannis.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arkannis.net/networking/authelia/what-is-authelia.md).

# What is Authelia

### What is Authelia?

Authelia is an open-soruce highly-available authentication server for 2FA & SSO It supports a variety of proxies such as <mark style="color:purple;">`NGINX`</mark> <mark style="color:purple;"></mark><mark style="color:purple;">&</mark> <mark style="color:purple;"></mark><mark style="color:purple;">`TRAEFFIK`</mark>

### Documentation & Guide

* [Technotim setup](https://youtu.be/u6H-Qwf4nZA)
* [Official documentation](https://www.authelia.com/docs/)