Tailscale

NewTailscale: Exit Nodes and Subnet Routes Compared, and How They Work Technically

In Tailscale, exit nodes and subnet routers are two related but distinct operating modes. A subnet router selectively opens specific IP ranges, while an exit node routes all internet traffic through itself. What the difference means in practice, how Tailscale implements it through WireGuard, route approval, and SNAT, and where the limits of each option lie.