Tailcat: Secure Connections Without the Setup
Tailscale — Oct 2, 2026 — deep-dive
Why watch
A hands-on tutorial demonstrating Tailcat, an open-source tool for creating secure encrypted connections between devices without VPN servers or accounts. Covers connecting two machines, reaching HTTP servers, transferring files, and setting up SSH with public key authentication. Also explores DERP relay fallback for NAT/firewall scenarios and running Tailcat directly from a browser. Ideal for developers seeking simple, secure device-to-device communication.