Technical reference

These topics provide technical reference about Tailscale tools and features in your Tailscale network (known as a tailnet).

Access control lists (ACLs)

You can use ACLs to enforce access for users, devices, and applications in your tailnet.

ACL syntax

Use ACL syntax options to configure user and device access in your tailnet policy file.

ACL policy samples

Use our samples to help you create custom ACLs in your tailnet.

Tailscale command line interface (CLI)

The Tailscale client includes a built-in CLI tool you can use to manage and troubleshoot your device within your Tailscale network (known as a tailnet).

Tailscale CLI

Use the CLI to update the client, generate a certificate, and more.

Tailscale application programming interface (API)

You can use the Tailscale API to automate and manage various aspects of your tailnet.

API

Use the Tailscale API in your tailnet.

OAuth clients

Use OAuth clients for delegated and scoped access to the Tailscale API.

tsnet

Use the tsnet library to embed Tailscale inside a Go program in your tailnet.

Technical overviews and production best practices

Read in-depth topics about Tailscale networking, security, and production best practices.

Technical overviews

Get in-depth understanding of networking and security in your tailnet.

Production best practices

Get recommendations for deploying Tailscale in a production environment.

Terminology and concepts

Familiarize yourself with Tailscale terminology and concepts.

Terminology and concepts

View Tailscale terminology and concepts.