Technical overviews

There's a couple of different ways you can use SSH to securely access and manage the servers on your Tailscale network (known as a tailnet).

Protect your SSH servers using Tailscale

Learn how to use the secure shell protocol to remotely access a server or transfer files.

Nodes such as a device or server can join a tailnet based on a mechanism enforced by node keys.

Learn about node keys

Understand how node keys are used for authorization.

Tailscale runs DERP relay servers distributed around the world to link your tailnet nodes peer-to-peer as a side channel during NAT traversal.

Understand DERP servers

Get details about the servers that provide low-latency connections between devices on your tailnet.

Tailscale makes it easy to connect to your tailnet by providing you with a stable IP address for each node. Tailscale can route its packets peer-to-peer over IPv4 or IPv6.

Tailscale IP addresses

Learn how Tailscale assigns IP addresses.

IPv4 vs. IPv6 FAQ

Understand the differences and avoid misconceptions about IPv4 and IPv6.