# LXD > This is the documentation for LXD, a system container and virtual machine manager. 2014-2026 AGPL-3.0, LXD contributors ## Pages in this subsection - [Remote API authorization](https://canonical.com/lxd/docs/default/explanation/authorization/index.html.md): When LXD is exposed over the network it is possible to restrict API access via two mechanisms: ## Optional - [Top-level llms.txt](https://canonical.com/lxd/docs/default/llms.txt): Complete documentation index.