Admin

• Magic DNS

  Magic DNS automatically registers DNS names for devices in your network. For example, when you add a new webserver called...

• Machine names

  On Tailscale, machines are distinguishable by a 100.x.y.z IP address, and by a machine name . The machine name , shown...

• About WireGuard

  WireGuard® is a modern and fast encrypted networking protocol that offers a number of performance benefits over traditional...

• Testing your connection

  Try these steps to check if your connection is working. hello.ipn.dev (IRC test server) You don’t need two endpoints...

• Pre-authentication keys

  Pre-authentication keys (“auth keys”) allow you to register new nodes without doing an interactive login. This...

• Enable multi-factor auth (MFA)

  Tailscale relies on your existing identity provider to authenticate users. Any authentication settings from your identity...

• Block incoming connections

  Note This feature is available on Windows, Mac, and Linux for Tailscale v0.98.197 and up. If you don’t see this...

• Connecting to external services with IP block lists via Tailscale

  If you’re migrating from a traditional office networks or a centralized VPN concentrator, you might find you have...

• Sharing

  Sharing lets you give another Tailscale user access to a private device within your network, without exposing it publicly...

• Inviting others to your network

  Tailscale networks are based on your email address domain name. If you signed up as david@example.com , only users with...

• AWS EC2 with subnet routes

  Recent versions of Tailscale work fine even when nodes are placed behind an Amazon Managed NAT Gateway. However, because...

• Machine certificates and device management

  Note To keep Tailscale easy for new users, manual and rule-based approval/rejection of machine certificates is disabled...

• Tailscale CLI

  Tailscale ships with a built-in CLI that you can use to get information about your network and troubleshoot issues...

• Subnet routes and relay nodes

  Tailscale works best when you install Tailscale on every client, server, or VM in your organization. That way, traffic is...

• ACLs, ABAC, RBAC, and network security policies

  Access control lists (ACLs) restrict who can access which nodes on your network. ACLs can be defined in the admin console...

• How Tailscale assigns IP addresses

  Tailscale makes it easy to connect to your network by providing you with a stable IP address for each node (a device or...

• DNS in Tailscale

  By default, Tailscale provides each device with a unique, stable IP address. However, IP addresses aren’t very memorable...

• Key Expiry

  As a security feature, users need to periodically reauthenticate on each of their devices. The default expiration period...