Updated Glossary (markdown)

Brad Fitzpatrick 2020-11-19 12:13:00 -08:00
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# Glossary of Tailscale Terminology
## Machine
## CLI
## Machine Key
## Node
A combination of a user & machine.
Command Line Interface. On Linux, macOS, and Windows, [Tailscale comes with a CLI interface](https://tailscale.com/kb/1080/cli) to control
Tailscale that offers a few more options than are available with the GUI (Graphical User Interface) clients.
## Identity Provider
Somebody who proves you are who you say you are: Google, Okta, Microsoft, etc. Tailscale is not an identity provider (there are no Tailscale passwords, for instance); we're a "relying party" of other identity providers.
## Machine
A specific physical device, regardless of who uses it.
## Machine Key
A public/private keypair per machine. Multiple users can use a single machine (e.g. different logins on that mac/windows/linux desktop) but they'll all have the same machine key. Each user on that machine is then a unique Node.
## Node
A combination of a user & machine.
## WireGuard
WireGuard is the underlying cryptographic protocol that Tailscale speaks. See https://www.wireguard.com/