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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).

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.

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.

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.

Learn how Tailscale assigns IP addresses.

Understand the differences and avoid misconceptions about IPv4 and IPv6.