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From the follow up:

> IP mobility is what we do, in a small way, with Tailscale’s WireGuard connections. We try all your Internet links, IPv4 and IPv6, UDP and TCP

From the wireguard website[0]:

> WireGuard explicitly does not support tunneling over TCP, due to the classically terrible network performance of tunneling TCP-over-TCP. Rather, transforming WireGuard's UDP packets into TCP is the job of an upper layer of obfuscation (see previous point), and can be accomplished by projects like udptunnel and udp2raw.

I assume this means Tailscale has their own client where they’ve bolted this on themselves?

[0]: https://www.wireguard.com/known-limitations/




Eh, I sort of ignored the plug at the end. It's not really what the issue is about, completely different scale.




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