ApplicationDescription Tailscale is a VPN service that makes the devices and applications you own accessible anywhere in the world, securely and effortlessly. DeveloperName Tailscale Inc. Website https://tailscale.com Connections IsIncoming Host pkgs.tailscale.com Relevance Default Purpose Tailscale periodically looks for software updates from this server. DenyConsequences If you deny these connections, Tailscale updates won't be available for download. You'll need to keep the client updated manually. IsIncoming Host log.tailscale.com Relevance Default Purpose Tailscale periodically uploads diagnostic information and crash reports to provide support and monitor the quality of the service. DenyConsequences If you deny these connections, Tailscale support won't be able to assist you with any issues with the product. IsIncoming Host controlplane.tailscale.com Relevance Essential Purpose Tailscale connects to the coordination server to fetch details and encryption keys for the other devices in your tailnet. DenyConsequences If you deny these connections, Tailscale won't be able to connect. IsIncoming Host *.tailscale.com Relevance Essential Purpose Tailscale connects to relay servers operated by Tailscale to route traffic when direct connections cannot be established. DenyConsequences If you deny these connections, Tailscale won't be able to establish connections to other devices. IsIncoming Host local-net Relevance Essential Purpose Tailscale accepts direct connections from other devices in your LAN to improve performance. DenyConsequences If you deny these connections, other devices will connect via a relay, which will severely impact performance. IsIncoming Host local-net Relevance Essential Purpose Tailscale establishes encrypted tunnels with other devices in your LAN to improve performance. DenyConsequences If you deny these connections, other devices will connect via a relay, which will severely impact performance. IsIncoming Host 0.0.0.0/0 Relevance Essential Purpose Tailscale accepts direct encrypted connections from other devices in your tailnet across the Internet to improve performance. DenyConsequences If you deny these connections, other devices will connect via a relay, which will severely impact performance. IsIncoming Host 0.0.0.0/0 Relevance Essential Purpose Tailscale establishes encrypted tunnels across the Internet with other devices in your tailnet to improve performance. DenyConsequences If you deny these connections, other devices will connect via a relay, which will severely impact performance. IsIncoming Host *.googleusercontent.com Purpose Tailscale connects to Google servers to fetch user profile avatars when you log in using a Google account. DenyConsequences If you deny these connections, user profile avatars might not appear in the Tailscale client. IsIncoming Host *.githubusercontent.com Purpose Tailscale connects to GitHub servers to fetch user profile avatars when you log in using a GitHub account. DenyConsequences If you deny these connections, user profile avatars might not appear in the Tailscale client.